TeachersFirst's Math Resources for Numbers & Operations - Grades 6-8

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Explore this collection of resources for grades 6-8. Use these resources to meet the NCTM standards in the area of Numbers & Operations. Use these tools to differentiate the content or review the basic concepts for all students. Many of these tools are ideal for use on your interactive whiteboard or in your BYOD classroom. Find topics that relate to the content being taught in your middle school classroom. Share these resources with students on your class website. 

Explore the NCTM Standards

Numbers & Operations - Grades K-2

Numbers & Operations - Grades 3-5

Numbers & Operations - Grades 9-12

 

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MathScienceMusic - Theolonius Monk Institute of Jaz

Grades
K to 12
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MathScienceMusic provides a large variety of free, engaging, resources to teach math, science, and music to students from kindergarten through college all created through a collaboration...more
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MathScienceMusic provides a large variety of free, engaging, resources to teach math, science, and music to students from kindergarten through college all created through a collaboration with Jazz legend, Herbie Hancock. Click letters on the homepage to begin your musical experience, then scroll down to view the available resources. Each group of resources includes a video introduction explaining the content. Some of the choices include Scratch Jazz (music and coding) and Groove Pizza (Shapes and Angles and Groove). All activities include a short description along with suggestions for appropriate grade level, concepts taught, and links to additional resources. Videos reside on YouTube. If your district blocks YouTube, the videos may not be viewable. You could always view them at home and bring them to class "on a stick" to share. Use a tool such as Freemake Video Converter, reviewed here, to download the videos from YouTube.

tag(s): angles (87), animation (65), brain (70), coding (50), fractions (237), geometric shapes (166), india (36), multiples (36), music theory (41), musical instruments (47), musical notation (37), numbers (201), patterns (85), preK (291), ratios (55), sound (103)

In the Classroom

Share activities from MathScienceMusic on your interactive whiteboard with students, then let them explore independently. Scratch Jazz is perfect for teaching basic coding; students interested in music will enjoy creating their own jazz-themed project using the site's tutorial. Add interest to math lessons by taking advantage of the free lesson plans. Be sure to check out the link to Math and Music Standards found on the music and math curriculum page. Have students create videos of their music creations using theLearnia, reviewed here, and share them on a site such as TeacherTube, reviewed here. Be sure to have them discuss their journey from the beginning through the final creation of their project. Team up with your school's music teacher to collaborate on the many activities provided on this site.
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Mathematics Interactives and Lessons - SAS Curriculum Pathways

Grades
1 to 12
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SAS Curriculum Pathways offers over 400 interactives and web lessons for math. Topics range from Numbers and Operations to Trigonometry. Browse resources by category, type, required...more
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SAS Curriculum Pathways offers over 400 interactives and web lessons for math. Topics range from Numbers and Operations to Trigonometry. Browse resources by category, type, required plug-ins, or level. Each resource includes a short description, estimated time to complete, and appropriate age levels. All activities correlate to state and Common Core Standards. Click the Standards link in each lesson to view corresponding standards for each activity. Create an account to save items to favorites and connect to your school. Generate an account code for your students to create student accounts. Be sure to disable your browser's pop up blocker for this site to allow interactives to load.

tag(s): angles (87), charts and graphs (196), data (149), decimals (132), equations (153), factors (41), fractions (237), geometric shapes (166), mixed numbers (15), operations (123), order of operations (36), polynomials (30), probability (130), quadratics (33)

In the Classroom

Use interactives and lessons from this site to supplement classroom instruction. Demonstrate how to use this tool on your interactive whiteboard or projector. Allow students to explore the site independently on classroom computers. Be sure to include a link to activities on your classroom webpage. Use this site to differentiate for different student levels.
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West Contra Costa Unified School District Mathematics Center - West Contra Costa Unified School District

Grades
K to 12
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The Mathematics Center is an excellent site full of mathematics teaching resources aligned to Common Core Standards. Choose options from the menu on the home page such as lessons, videos,...more
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The Mathematics Center is an excellent site full of mathematics teaching resources aligned to Common Core Standards. Choose options from the menu on the home page such as lessons, videos, applets, and Common Core resources. Links lead to offerings sorted by grade level and topic. Most content is available for easy download in PDF format. Be sure to check out the parent guides available in both English and Spanish.

tag(s): area (67), decimals (132), division (169), equations (153), exponents (42), fractions (237), functions (69), numbers (201), perimeter (30), quadratics (33), rounding (22), subtraction (199), video (273)

In the Classroom

Bookmark and save this site for math Common Core resources throughout the school year. Share parent guides to help parents understand teaching strategies and techniques. Explore the many general mathematics resources for classroom use. Be sure to share with other math teachers in your building and district.
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Solve My Math - solvemymath.com

Grades
5 to 12
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Solve My Math offers a wide selection of math calculators, games, and information for all different levels of math. Use the drop down box to choose a math category such ...more
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Solve My Math offers a wide selection of math calculators, games, and information for all different levels of math. Use the drop down box to choose a math category such as general math or complex numbers and trig. Some calculators offer only a solution while others show step by step ways to obtaining answers. Choose Math Courses for a basic overview of math content sorted by topic. The Math Games section offers games for learning basic math skills. Spend time exploring how the site is organized so you can avoid clicking the ads!
This site includes advertising.

tag(s): addition (239), calculators (41), charts and graphs (196), decimals (132), division (169), fractions (237), numbers (201), probability (130), statistics (124), subtraction (199)

In the Classroom

Use calculators on the site to solve math problems. Show students how to find the appropriate calculator while avoiding the many ads. Ask students to demonstrate the problem solving process but use this site as a self-check. Share a link to Solve My Math on your class website for students to access at home. Create a link to games/interactives on classroom computers for use as a math center.
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Maths Is Good For You! - Dr. Snezana Lawrence

Grades
6 to 12
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Maths Is Good For You offers a history of mathematics and loads of math activities for young mathematicians. Although the site isn't very visually pleasing, it contains quite a bit...more
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Maths Is Good For You offers a history of mathematics and loads of math activities for young mathematicians. Although the site isn't very visually pleasing, it contains quite a bit of mathematics background and information. Learn about famous mathematicians, famous places in math, and the background on some of the origins of mathematics. Be sure to check out the worksheets section for some interesting and quirky activities. This site was created in the UK. American English speakers may notice slight spelling differences. There is also mention of Key Stage 3, 4, and 5. In America, these stages equate to Ages 11-14 (Stage 3), Ages 14-16 (Stage 4), and Ages 16-18 (Stage 5).

tag(s): egypt (70), numbers (201), pythagorean theorem (33), roman numerals (9), worksheets (61)

In the Classroom

Use Maths Is Good For You as a starting point for information on famous mathematicians and theories. Have students upload a photo they have taken and add voice bubbles to explain what they learned using a tool such as Superlame, reviewed here. Have students use Fakebook (reviewed here) to create a "fake" page similar in style to Facebook about a famous mathematician. Print and use worksheets for homework, math centers, or to differentiate instruction. Have students create timelines (with music, photos, videos, and more) using Capzles (reviewed here) using timeline information found on this site.
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teachMathematics - Jim Noble, Richard Wade, and Oliver Bowles

Grades
4 to 12
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teachMathematics offers many activities, simulations, lessons, videos, and more for upper elementary through high school math instruction. Choose from the topics of Numbers, Algebra,...more
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teachMathematics offers many activities, simulations, lessons, videos, and more for upper elementary through high school math instruction. Choose from the topics of Numbers, Algebra, Geometry & Measure, and Statistics & Probability. Although this is a subscription site, a large amount of free content is available. Find "Free Stuff" by topic by clicking on the button at the top left of the home page. When on a topic page, click "Free Pages" near the top right of the page.
This site includes advertising.

tag(s): equations (153), factors (41), geometric shapes (166), numbers (201), probability (130), problem solving (272), puzzles (207), statistics (124), symmetry (54)

In the Classroom

Make a shortcut to this site on classroom computers and use it as a center. Take advantage of the free lesson plans and interactives by using them for review before a unit test. Share interactives on your projector or interactive whiteboard. Be sure to include this site on your class website or wiki for students to access both in and outside of class for extra practice. Since free activities are somewhat "buried," you may want to post specific links to relevant review activities on your class web page.

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Composite Number Tree - Jeffrey Ventrella

Grades
4 to 12
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"See" factors and divisors in the form of a tree. Watch the Number Tree grow as each number (0-99) falls from the sky and attaches to a branch based on ...more
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"See" factors and divisors in the form of a tree. Watch the Number Tree grow as each number (0-99) falls from the sky and attaches to a branch based on the divisors of the number. Read some thoughts and questions about the growing tree in the information below. Although simple, this is a powerful visual for anyone exploring properties of numbers and building number sense.

tag(s): factoring (31), factors (41), multiples (36), number sense (95), numbers (201), prime numbers (33)

In the Classroom

Use the Number Tree as an excellent math conversation starter or journal prompt. Have students analyze numbers on each branch to identify the property that groups them together. Use the tree to discuss factors or multiples. Discuss questions on the site such as why the tree is bushier on the left side than on the right. Challenge students to grow the tree beyond 99 to higher numbers. Help your very concrete learners by having them "build" a similar number tree on your classroom wall using sticky notes. Color code the prime number notes as a special color so students "see" them. Try this activity on the 100th day of school to envision 100 a whole new way-- even in upper grades! Challenge your more capable students to create number trees with numbers from 500 to 599 or even higher.

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Math and Children's Literature - Let's Read Math

Grades
K to 12
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If you integrate children's literature with math (and who doesn't?) this is a must-see site. Choose from several different elementary topics or go to links for middle and high school...more
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If you integrate children's literature with math (and who doesn't?) this is a must-see site. Choose from several different elementary topics or go to links for middle and high school teachers to find book suggestions. Each topic provides a list of matching books including author, grade, and comments. This site, though rather "plain vanilla," offers highly useful booklists that you will want to save!
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tag(s): counting (120), decimals (132), fractions (237), literature (276), logic (237), measurement (160), money (190), number sense (95), operations (123), percent (82), preK (291), probability (130), ratios (55), statistics (124), time (141)

In the Classroom

Bookmark and save this site for finding literature to match to math content throughout the school year. You may want to list this link on your class website for parents to use to find literature to read to their younger student. Challenge your secondary students to read one of the books... for math class! For further math-related, leveled book suggestions for student independent reading, try TeachersFirst's CurriConnects list, Math in Use.

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The Fractulator - appspot.com

Grades
4 to 8
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The Fractulator is a very simple online app that gives results of operations with two fractions. Input your first fraction and choose an operation. Add in the second fraction and ...more
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The Fractulator is a very simple online app that gives results of operations with two fractions. Input your first fraction and choose an operation. Add in the second fraction and choose equals to view the result. Choose to display results as proper or improper fractions. View your history on the right side of the chalkboard.
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tag(s): addition (239), calculators (41), division (169), fractions (237), multiplication (222), operations (123), subtraction (199)

In the Classroom

Use the Fractulator on your interactive whiteboard or projector for students to predict and check results when working with simple fractions. Share a link on your class website for students to self-check at home. Use to introduce operations with fractions. Input information and have students analyze and demonstrate, working backwards to get the correct response.

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4 Numbers - Luminosity

Grades
4 to 12
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This is a great maths puzzle site where you must add, subtract, multiply, or divide with a set of four numbers to equal 24. The two rules include do not ...more
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This is a great maths puzzle site where you must add, subtract, multiply, or divide with a set of four numbers to equal 24. The two rules include do not cheat and click done when you want to quit! Choose from many modes including an easier version, timed games, and battle mode.
This site includes advertising.

tag(s): mental math (29), operations (123)

In the Classroom

Put this link on your blog, wiki, or class page for free play by students. Be sure to bookmark on a classroom computer. This engaging game is challenging and provides many opportunities to stretch thinking. Play on an Interactive Whiteboard (or projector) in class with individual students or as teams. Create a Math Olympics by making this site a station on a computer or Interactive Whiteboard that student must rotate through to other stations. Other stations can include computer or paper and pencil activities to round out the Math Olympics.

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CommonCore Sheets - Common Core Sheets

Grades
2 to 8
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Find downloadable worksheets correlated to Common Core curriculum. Visit the math link for practice with all operations and many topic areas (balancing equations, many forms of graphs,...more
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Find downloadable worksheets correlated to Common Core curriculum. Visit the math link for practice with all operations and many topic areas (balancing equations, many forms of graphs, fractions, grids, lines, line plots, geometry, measurement, money, negative numbers, time, and SO much more)! In social studies find worksheets on geography, primary and secondary sources, and timelines. Language arts includes parts of speech and sentence types. Under each subject choose easy, medium, or hard worksheets. In Create a Review, choose your topic area and create your own worksheet. Also included are brain teasers, bingo games, and multiplication mazes.
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tag(s): charts and graphs (196), decimals (132), fractions (237), measurement (160), money (190), negative numbers (22), operations (123), order of operations (36), parts of speech (67), primary sources (90), probability (130), sentences (50), time (141), timelines (64), variables (21)

In the Classroom

Find worksheets for every subject to better prepare your students for Common Core standards and testing. Use the sheets to make a formative or even summative assessment for many different topics in math. Use as a review or even practice. Provide this link on your class website for students (and parents) to find extra practice. Printable answer keys come with the worksheets. Allow students to create their own quizzes. Easy to use, grade, and share. Use for gifted students needing some acceleration. Use for extra practice with students struggling with new concepts.
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MathFlix - Loyola University Chicago School of Education

Grades
6 to 12
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MathFlix is a resource of over 1000 QuickTime videos sorted by topic. The site also includes over 400 downloadable worksheets that reinforce concepts and provide additional practice....more
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MathFlix is a resource of over 1000 QuickTime videos sorted by topic. The site also includes over 400 downloadable worksheets that reinforce concepts and provide additional practice. The videos themselves are hosted at many different locations on the web, but this index makes it easy to find them by math topic. Enter the site by choosing either the "I am a teacher" or "I am a student" icon. The teacher link lists topics by standards and content within each standard. Choose from Number & Operations, Algebra, Technology, and more. Each of these links leads to further subcategories listing video titles to view. The student link leads to clickable images or words, including topic and subcategory. Choose one of these links to go directly to the list of videos available for that topic. Be sure not to miss the links at the bottom of the page. They aren't quite as obvious as information for the videos; however, they include additional information relating to Common Core, assessment, and curriculum support.

tag(s): area (67), charts and graphs (196), decimals (132), estimation (45), fractions (237), inequalities (27), logic (237), money (190), numbers (201), patterns (85), percent (82), perimeter (30), polls and surveys (55), probability (130), problem solving (272), statistics (124), symmetry (54), variables (21), whole numbers (17)

In the Classroom

Bookmark this site as a resource for math videos to use on your interactive whiteboard or on classroom computers. Watch videos together to introduce or review classroom concepts. Or "flip" your classroom by sharing the videos oor independent viewing before you discuss the topic in class. Share a link to videos on your classroom website or blog for students to use as a review resource at home. Share this entire site on your class website, wiki, or blog for alternative presentations of topics that are difficult. Challenge cooperative learning groups to create videos of their own on math concepts. Share the videos on a site such as TeacherTube reviewed here.

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Numberphile - Brady Haran

Grades
7 to 12
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Are you interested in numbers? This site has a variety of videos about math theories that are at the forefront of research. Easy, understandable language presents each topic, and this...more
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Are you interested in numbers? This site has a variety of videos about math theories that are at the forefront of research. Easy, understandable language presents each topic, and this is an entertaining way for anyone to learn fascinating facts about numbers. The Numberphile covers a very broad scope of topics such as Why do people hate mathematics, AMAZING Dice Rolls, and Sounds of PI. Videos vary in length, although most remain well under 15 minutes. Even those who believe they are not good at math will like learning interesting facts about numbers. If your district blocks YouTube, videos may not be viewable. You could always view the videos at home and bring them to class "on a stick" to share. Use a tool such as KeepVid reviewed here to download the videos from YouTube.

tag(s): calculators (41), negative numbers (22), number lines (22), numbers (201), pi (23), prime numbers (33), video (273)

In the Classroom

Share these videos on your interactive whiteboard or projector as wonderful math journal and discussion starters. Choose a video about an interesting number fact that can be used to hook students into a particular lesson or unit. Use the videos to show the fascinating side of mathematics. For example, 666 and its peculiarity in mathematics would be interesting to students. Make a math enrichment center for your gifted students or "hook" math-haters (or girls) by letting them select and critique their own video choice from this site. Embed a video on your class wiki and have students use the discussion tab to comment on what they like about it or were surprised to learn. FLIP your classroom and have students view the videos at home to discuss the next day in class. (This is a great option if YouTube is blocked in your school.) Be sure to provide this link on your class website for students (and their families) to access at home. Consider having students make their own advertising videos about their favorite or "lucky" number using a tool such as and share them on a site such as TeacherTube reviewed here.

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LearnZillion - Eric Westendorf and Alix Guerrier

Grades
2 to 10
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LearnZillion is a video platform that combines video lessons, assessments, and progress reporting. Lessons highlight Common Core Standards in Math for grades 3 - 9. Each lesson is given...more
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LearnZillion is a video platform that combines video lessons, assessments, and progress reporting. Lessons highlight Common Core Standards in Math for grades 3 - 9. Each lesson is given in a video format, generally about 5 minutes per lesson. The lesson ends with a practice video. You are also presented with practice problems, and the answers are demonstrated and discussed. Teachers can sign up for a free account offering many special features of the site. Create customized playlists for students by dragging and dropping videos onto your playlist. Many lessons have a behind the scenes commentary just for teachers to watch before teaching a lesson to explain the rationale behind what is included. Featured materials can be downloaded for use in class. Short quizzes at the end of each lesson are scored and updated in student profiles, providing you with quick assessment information. Create individualized playlists for students to customize and differentiate instruction. Find lessons by using the Explore link on the site, choosing a general topic, then a more specific category. Each lesson includes the Common Core Standard addressed above the video lesson.

tag(s): data (149), equations (153), fractions (237), functions (69), measurement (160), number sense (95), numbers (201), problem solving (272), ratios (55), statistics (124)

In the Classroom

Create a classroom account and create playlists for different instructional content. Assign content as stuednts move along in the curriculum. Assign videos for students to use for review and remediation, or assign videos for self-motivated students who are ready to move ahead. Share this site with parents (on your class website or wiki) to use as review when helping their student with homework.
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Math Pickle - Dr. Gordon Hamilton

Grades
K to 12
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Math Pickle goes WAY beyond traditional math drill and skill games or math problem worksheets. There are mathematics puzzles for kindergarten through twelfth grade. Choose by grade...more
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Math Pickle goes WAY beyond traditional math drill and skill games or math problem worksheets. There are mathematics puzzles for kindergarten through twelfth grade. Choose by grade level or math topic. View the puzzle list by name and math content. Puzzles include correlation to math standards and downloads for puzzle sheets when necessary.

tag(s): logic (237), number sense (95), operations (123), problem solving (272)

In the Classroom

Bookmark this site to use as a resource for challenging math activities for the classroom. Use these activities with gifted students to promote problem solving, trial and error, and exploration of concepts. Have students create blogs using Throwww here to explain their process in solving puzzles. This site allows you to create "quick and easy" blogs to be used one time only. A unique URL is provided and this site is as easy as using a basic Word program!

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See Math - seemath.com

Grades
2 to 10
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Find animations to "see" many math concepts at this growing site. Choose a topic (base ten blocks, improper fractions, carrying tens and hundreds, and many others). View the math problem....more
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Find animations to "see" many math concepts at this growing site. Choose a topic (base ten blocks, improper fractions, carrying tens and hundreds, and many others). View the math problem. Press Play to show not only how to solve the problem, but receive an explanation and a visual to understand the solution. Adjust the speed up or down, go back and forward through the solution, and pause when needed. See Math can help with basic operations and problem solving up through algebra problems.

tag(s): base ten (12), decimals (132), equations (153), exponents (42), factors (41), fractions (237), mixed numbers (15), negative numbers (22), operations (123), place value (55), problem solving (272), ratios (55), whole numbers (17)

In the Classroom

Use these topics as an introduction to a unit of study or as a ready link for students to access for homework help. Introduce this site on your interactive whiteboard or projector. Use the animations to visually see the solution to a math problem. Provide time for students to view the solution to a problem and write the steps in their own words. Give practice problems to groups to use their directions in the solution of the problems. If you are gearing up for high stakes tests that require students to write about how they solve math problems, you can use this site for the entire class to practice writing to explain solutions. Be sure to place this link on your website and classroom computer for easy access.
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Mathispower4u - Video Tutorials - James Sousa

Grades
4 to 12
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Math Video Tutorials offers 5,000 free math videos organized by course and topic. And the offerings are constantly growing. Videos are hosted on YouTube and SchoolTube and are all 10...more
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Math Video Tutorials offers 5,000 free math videos organized by course and topic. And the offerings are constantly growing. Videos are hosted on YouTube and SchoolTube and are all 10 minutes or less in length. Content includes arithmetic, algebra, geometry, trigonometry, business calculus, and calculus. Each main topic includes links to the videos organized by more specific topics - for example, algebra videos are sorted by introduction to algebra, rational expressions, equations and functions, equations and percentages, exponential and logarithmic functions, graphing, linear equations, and more. If your district blocks YouTube, the videos may not be viewable. You could always view them at home and bring them to class "on a stick" to share. Use a tool such as Freemake Video Converter, reviewed here, to download the videos from YouTube.

tag(s): area (67), business (58), charts and graphs (196), equations (153), factoring (31), functions (69), integers (41), measurement (160), operations (123), order of operations (36), percent (82), place value (55), prime numbers (33), ratios (55), test prep (96), tutorials (47), volume (44)

In the Classroom

Share videos on your interactive whiteboard as in introduction to a new concept or as review. Embed the links to videos of weekly concepts on your class website or blog. Create a link on classroom computers to current content for students to use as a review resource. Ask students to rate the most helpful videos they find and share their recommendations on a class wiki. Share this site with parents to use as a resource when helping students at home. Challenge students to create their own how-to video of math concepts. Share the videos using a tool such as SchoolTube, reviewed here.

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KenKen Puzzles - New York Times

Grades
3 to 12
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KenKen is a puzzle game similar to Soduku with the added twist that numbers in dark-outlined areas must combine to produce the target number indicated. Read the fully illustrated tutorial...more
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KenKen is a puzzle game similar to Soduku with the added twist that numbers in dark-outlined areas must combine to produce the target number indicated. Read the fully illustrated tutorial for more information. Each day the New York Times provides 6 new puzzles in 3 different skill levels. This is a great activity for practicing math operations and also developing problem solving and critical thinking skills.
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tag(s): logic (237), problem solving (272), puzzles (207)

In the Classroom

Create a link to the site for students to use at computer centers or the computer lab. Print out puzzles and allow students to work with a partner to solve during center time. Challenge students to complete puzzles at different skills levels. Share a puzzle on the interactive whiteboard as students are entering the classroom and complete the puzzle together.
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Number Gossip - Tanya Khovanova

Grades
5 to 12
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Are you looking to have some fun with numbers or a quick class-starter? This site may be for you! Enter a number and find out all you wanted to know ...more
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Are you looking to have some fun with numbers or a quick class-starter? This site may be for you! Enter a number and find out all you wanted to know but were afraid to ask. For example, enter 9 and you will find out that 9 is the only number (except one) which is equal to the sum of the digits of its square and that 9 is the smallest odd composite number. Below the list of information are common properties of the number entered. Some numbers also include links to web pages about that number - for example, enter the number 6 and there is a link to Some Thoughts on Number 6 by John Baez.

tag(s): data (149), numbers (201), puzzles (207)

In the Classroom

Display the page on your interactive whiteboard or projector at the beginning of the class to spur math discussion. Choose some interesting information on numbers to use for a Fact of the Day or Interesting Information of the Week for students. Create a bulletin board displaying interesting facts about numbers for your classroom.

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Order of Operations Quiz - Shodor

Grades
6 to 8
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This site provides good practice with order of operations. User options include choices of addition, subtraction, multiplication, division, exponents, and parenthesis. Different levels...more
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This site provides good practice with order of operations. User options include choices of addition, subtraction, multiplication, division, exponents, and parenthesis. Different levels are provided for use of whole numbers only and 3 different skill levels. There is also a timer that can be set from 10 to 60 seconds or can be turned off for unlimited time on the quiz. The learner tab provides some examples and equations using order of operations. Be sure to check out the instructor tab which includes links to standards, some alignment to textbooks, issues that may arise in the classroom and links to similar resources.

tag(s): addition (239), exponents (42), numbers (201), operations (123), order of operations (36), subtraction (199), whole numbers (17)

In the Classroom

Make a shortcut on classroom or lab computers to use for student practice. Post the site on your classroom website or blog for students to use at home. Assign students to share one problem with the class that they had difficulty with and explain how the problem should be solved.
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