Teachers First - Thinking Teachers Teaching Thinkers

Illuminations offers this library of interactives specifically for teaching the Numbers and Operations strand in 6th through 8th grade. The variety of activities provides opportunities for learning content through many different methods including problem solving, exploration of rational numbers and proportions, and includes Dynamic Paper (create math manipulatives, such as pentagonal pyramid, a set of pattern blocks, a number line, and so on; all these in the size and shape you need). All interactives include complete instructions, an exploration, and correlation to standards.

tag(s): area (53), estimation (33), factors (29), multiplication (122), number sense (69), numbers (120), operations (72), order of operations (29), perimeter (20), problem solving (233), ratios (47), statistics (121), time (91), venn diagrams (15), volume (33)

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. The videos are hosted on YouTube. If your district blocks YouTube, then they may not be viewable.

tag(s): angles (52), animation (64), brain (56), coding (85), fractions (160), geometric shapes (134), india (32), multiples (15), music theory (46), musical instruments (52), musical notation (34), numbers (120), patterns (61), preK (271), ratios (47), sound (72)

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 (53), decimals (85), division (98), equations (119), exponents (35), fractions (160), functions (52), numbers (120), perimeter (20), quadratics (27), rounding (8), subtraction (110), video (266)

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!
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tag(s): addition (129), calculators (36), charts and graphs (172), decimals (85), division (98), fractions (160), numbers (120), probability (99), statistics (121), subtraction (110)

Cambridge IGCSE Mathematics (wasteachMathematics) 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.
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tag(s): equations (119), factors (29), geometric shapes (134), numbers (120), probability (99), problem solving (233), puzzles (150), statistics (121), symmetry (26)

At CommonCore Sheets, find downloadable worksheets correlated to the Common Core curriculum and customizable activities. Choose from worksheets in every subject, including foreign languages. Registration isn't required to select and use worksheets; however, creating an account provides access to the Teacher Panel. Use the Teacher Panel to save sheets, create classes and assignments, monitor grades, and add distance learning assignments.
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tag(s): charts and graphs (172), decimals (85), fractions (160), measurement (122), money (113), negative numbers (13), operations (72), order of operations (29), parts of speech (39), primary sources (119), probability (99), sentences (22), time (91), timelines (56), variables (14)

MathFlix is a resource of over 1000 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 (53), charts and graphs (172), decimals (85), estimation (33), fractions (160), inequalities (25), logic (161), money (113), numbers (120), patterns (61), percent (59), perimeter (20), polls and surveys (49), probability (99), problem solving (233), statistics (121), symmetry (26), variables (14), whole numbers (9)

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. The videos are hosted on YouTube. If your district blocks YouTube, then they may not be viewable; be sure to look at alternatives for sharing the conversation starters and other videos on classroom computers. Use the search bar to find specific topics faster

tag(s): calculators (36), negative numbers (13), number lines (33), numbers (120), pi (29), prime numbers (26), video (266)

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 (161), number sense (69), operations (72), problem solving (233)

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 an 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.

tag(s): area (53), business (52), charts and graphs (172), equations (119), factoring (25), functions (52), integers (21), measurement (122), operations (72), order of operations (29), percent (59), place value (34), prime numbers (26), ratios (47), test prep (69), tutorials (52), volume (33)

This site provides practice with the 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 an unlimited time on the quiz. The learner tab provides some examples and equations using the 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 (129), exponents (35), numbers (120), operations (72), order of operations (29), subtraction (110), whole numbers (9)

Get a grasp on math concepts by grabbing short snacks of animations and math activities illustrating the concept. Many lessonsinclude teacher guides. View the descriptions and topics addressed for each Math snack and download the learners guide using Adobe Acrobat. If your district blocks YouTube, then they may not be viewable.

tag(s): animation (64), charts and graphs (172), coordinates (15), measurement (122), numbers (120)