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## 226 mind-stretchers results | sort by: Most Recent First Alphabetical Most Viewed First

### Mathematics Lessons - TedEd

K to 12

This mathematics page includes math activities for students of all ages and abilities based on problem-solving activities and riddles integrated into many different topics. Each lesson...more
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This mathematics page includes math activities for students of all ages and abilities based on problem-solving activities and riddles integrated into many different topics. Each lesson typically consists of a video that explains the concept or problem-solving strategy, as well as interactive quizzes and other resources to help reinforce the learning. Many tasks also come with additional resources such as lesson plans, discussion questions, and further reading. Use the filters to narrow down options by grade level, type of content, video length, and subtitles options. In addition, each activity includes categories such as Science and Technology or The Arts; use these links to find related activities. Registration isn't required; however, it allows you to save your favorite activities and customize lessons.

tag(s): critical thinking (108), engineering (116), financial literacy (93), numbers (120), probability (96), problem solving (220), riddles (16), STEM (245)

#### In the Classroom

Use the activities on this site to introduce problem-solving to students through various topics and problem-solving tools. Begin by narrowing down the content to your chosen grade level to find appropriate activities. Next, consider differentiating activities by student interests and ability levels. Finally, use the option to customize lessons to create questions for different groups of students or add additional questions while still using the original video. Ask older students to use these activities as a model, then create their animated math riddles using Powtoon, reviewed here.

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### Logic Games - Crazy Games

4 to 12

Solving problems using logic is an excellent way to improve brain function and cognition; this compilation of logic games provides you with many different activities. In addition, each...more
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Solving problems using logic is an excellent way to improve brain function and cognition; this compilation of logic games provides you with many different activities. In addition, each of the activities features different methods for engagement. For example, Gold Train FRVR requires players to build train tracks to avoid obstacles as they work toward the final destination. At the same time, Happy Glass includes progressively more complex challenges for players to fill a glass without spilling the water. Hover over the thumbnail for each game to view the title and select to play.

tag(s): game based learning (173), logic (162), problem solving (220), puzzles (143)

#### In the Classroom

Bookmark and save this game site as a resource for logic and puzzle games to share with your students. Consider adding a puzzle of the week to your computer center activities or as an engaging at-home learning activity. Puzzles are an excellent way to strengthen math conversations in any classroom. After spending time with logic puzzles, ask students to share their thought and learning processes as they play each game. Ask students to create a screen recording demonstrating how to play the game and discussing the process. Use your device's screen recording features or an online tool such as Free Online Screen Recorder, reviewed here, to create and share recordings. Use a simple curation tool such as 3X3 Links, reviewed here, to share students' recordings and/or discussions in one easy-to-find location.

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### Wordle - Josh Wardle

3 to 12
Wordle is a deceptively easy-looking word game that promotes problem-solving and strategy skills to solve a daily five-letter word. Players get six chances to solve for the word of...more
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Wordle is a deceptively easy-looking word game that promotes problem-solving and strategy skills to solve a daily five-letter word. Players get six chances to solve for the word of the day. Correct letters in the proper place are highlighted green, letters in the word but the wrong location are marked yellow and gray boxes indicate the letter is not in the word. After solving the puzzle, a colored grid shows your progress through each step toward solving the daily task.

tag(s): game based learning (173), puzzles (143), vocabulary (231)

#### In the Classroom

Include Wordle as part of daily classroom activities in many ways. For example, ask students to solve Wordle individually or as part of a collaborative group. Encourage students to discuss helpful strategies in solving the puzzle, such as starting words that include several vowels--experiment by beginning with the same word each day or using different daily choices. Create a daily graph that shares the results of your class's attempts in solving the daily puzzle. Data Gif Maker, reviewed here, is a very easy to use graphing tool to quickly share results. Consider making personalized Wordles based on reading vocabulary, science terms, or student names using My Wordle, reviewed here.

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### Brain Teasers and Puzzles - Brain Easer

2 to 12
Improve critical thinking and problem-solving skills through the use of brain teasers, puzzles, and riddles found on this clever site. Select from fifteen categories of teasers divided...more
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Improve critical thinking and problem-solving skills through the use of brain teasers, puzzles, and riddles found on this clever site. Select from fifteen categories of teasers divided into three categories - math & logic, language & visual, and other. Brain teasers are also sorted by difficulty level, beginning with very easy and proceeding up to very difficult. Each puzzle includes the solution to explain the logic behind the answer.

tag(s): critical thinking (108), geometric shapes (130), patterns (61), Problem Based Learning (13), problem solving (220)

#### In the Classroom

Bookmark and save this brain teaser site to use throughout the school year. Share a problem of the week with your students to complete as homework or during a work center. Provide teasers of different levels of difficulty to differentiate and challenge your students. Enhance student learning by asking them to explain their success in solving challenges and sharing their process to find the correct solution. Use Flip, reviewed here, to share your weekly teasers, then have students create and share a video response. Ask students to use the tools on Flip such as the whiteboard, stickers, and text to explain their responses in detail. Extend learning further by creating a class book using Imagine Forest, reviewed here. Use Imagine Forest to make and share a digital book of brain teasers. Use the interactive elements to add links to audio suggestions for tackling problems or link to video solutions on the final pages of your book.

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### Resources to Nurture Critical Thinking - TeachersFirst

K to 12
Nurture critical thinking skills in your classroom using the resources shared in this collection. Critical thinking is a process that includes the ability to interpret, analyze, and...more
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Nurture critical thinking skills in your classroom using the resources shared in this collection. Critical thinking is a process that includes the ability to interpret, analyze, and evaluate information. Thinking critically requires students to infer and solve problems with an open mind. Students use critical thinking skills to observe, experience, communicate and reflect while reading and learning content. As contentious public events spill over into the classroom, teachers need to help students learn how to process perspectives that differ from their own. Use this collection as you are planning your lessons and activities.

tag(s): critical thinking (108), media literacy (98), problem solving (220)

#### In the Classroom

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###### More

4 to 12

Semantris is an engaging pair of word association games offered as a Google experiment in predicting the use of words by players. Arcade is a quick-thinking game; write a word ...more
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Semantris is an engaging pair of word association games offered as a Google experiment in predicting the use of words by players. Arcade is a quick-thinking game; write a word associated with the shared selection to drop words to the bottom of a list as quickly as possible. Block is a slower paced game; try to provide a short phrase to describe one of the words in the blocks to drop the blocks and prevent them from reaching the top of the page.

tag(s): game based learning (173), logic (162), puzzles (143), vocabulary (231), vocabulary development (91), word study (57)

#### In the Classroom

Share Semantris with students on classroom computers or devices for use as a quick word association and vocabulary building activity. Challenge students to become more proficient in "beating" Google by earning as many points as possible. For younger students, this site is an excellent way to build vocabulary skills. Have older students take this site a step further and research how machine learning works through this Google activity. Enhance learning by asking them to substitute a traditional report or presentation by making a video explanation tool like Typito, reviewed here, to describe the concept of machine learning. After spending some time practicing this game, take it a step further and extend student learning by having students create their own vocabulary learning game using a tool such as Scratch, reviewed here.

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### Microsoft Bing - FUN - Microsoft

4 to 12

Bing Fun offers a selection of web-based mini games in a variety of formats like puzzles and trivia quizzes. Scroll down the page to choose from the available options including ...more
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Bing Fun offers a selection of web-based mini games in a variety of formats like puzzles and trivia quizzes. Scroll down the page to choose from the available options including quizzes on current news and geography. Most quizzes offer several options for level of difficulty, the current news quiz allows students and teachers to select quizzes for several different weeks.

tag(s): logic (162), Microsoft (82), problem solving (220), puzzles (143), trivia (18)

#### In the Classroom

Include Bing Fun as a link on your classroom computers and share the link on your class webpage. Have students try their skill on Sudoku and other logic puzzles to increase problem solving skills. Use the current news questions as a starting point for discussions in social studies classes. Ask students to choose one of the questions as a starting point for digging deeper into the topic. Have students share weekly podcasts discussing current topics and background information. Spotify for Podcasters, reviewed here, provides free podcasting tools.

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### Twitter Chat: Start a School Makerspace from Scratch - TeachersFirst

K to 12
This archived Twitter chat is from July 2016 and will open in Wakelet. View this archive to learn how to Start a School Makerspace from Scratch. Browse the tips and ...more
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This archived Twitter chat is from July 2016 and will open in Wakelet. View this archive to learn how to Start a School Makerspace from Scratch. Browse the tips and tools offered by the chat moderators and participants.

tag(s): makerspace (41), professional development (365), STEM (245), twitterchatarchive (167)

#### In the Classroom

If you are starting Makerspace, or need some new ideas, view this archive. Share this tool with your colleagues who are interested in Makerspace.

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### Magic Gopher - Solitaire Paradise

4 to 12

Magic Gopher is an entertaining math riddle game. Follow the instructions to select a two-digit number, add the digits then subtract that answer from the original number. Magic Gopher...more
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Magic Gopher is an entertaining math riddle game. Follow the instructions to select a two-digit number, add the digits then subtract that answer from the original number. Magic Gopher "guesses" the symbol located next to that final number.

#### In the Classroom

How does Magic Gopher guess correctly every time? Encourage students to discover the "trick" to his success. If you aren't sure, find the solution here. Take this math trick a bit further, will it work with 3-digit numbers? Challenge cooperative learning groups to create video explanations of the math behind Magic Gopher. If you are less experienced with technology use with your students, try a tool such as Powtoon, reviewed here. Those who are more experienced might try moovly, reviewed here, and share them on a site such as TeacherTube, reviewed here.

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### Shikaku Madness - Ganbaru Games

4 to 12

Shikaku Madness is a logic-based puzzle where you attempt to cover a grid with rectangles. Use the numeric clues on the grid to solve the puzzle. Tap and drag on ...more
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Shikaku Madness is a logic-based puzzle where you attempt to cover a grid with rectangles. Use the numeric clues on the grid to solve the puzzle. Tap and drag on the grid to create rectangles that don't overlap and contain the number of squares in the clue. Choose from four levels of difficulty when attempting puzzles.

tag(s): computational thinking (39), logic (162), multiplication (120), problem solving (220)

#### In the Classroom

Shikaku Madness is an excellent addition to classroom bookmarks for practicing multiplication, working with arrays, developing problem-solving skills, and using logic. Encourage students to work up to the next level and become an expert in Shikaku. Share a link to the site on your class website for students to access at home. Encourage Shikaku "experts" in your class to share their methods for completing each puzzle with other students. Transform learning by challenging students to create a video demonstrating their process in puzzle solving using a tool such as Free Screen Recorder Online, reviewed here, or Screencastify (Chrome app), reviewed here. Then share it using a tool like SchoolTube, reviewed here.

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### Game-Based Learning Resources - TeachersFirst

K to 12
This collection of reviewed resources from TeachersFirst is selected to help teachers and students learn about game-based learning and how to incorporate games into teaching and learning....more
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This collection of reviewed resources from TeachersFirst is selected to help teachers and students learn about game-based learning and how to incorporate games into teaching and learning. Engage your students in the way they love to learn - games! Explore resources for quick practice or create your own games using these tools. Nurture problem solving, logic, and creativity.

tag(s): coding (85), differentiation (79), game based learning (173), gamification (74), logic (162)

#### In the Classroom

Share these tools on your class website or blog for students to use both in and out of the classroom. Use these tools to differentiate and reach all students at the various levels. Challenge your students to create their own games for review of content or acceleration options.

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### Flappy Code - Code Studio

K to 12

Create a Flappy Bird game using drag and drop code, then save it to your phone to play over and over! Follow the 10 step directions to add code to ...more
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Create a Flappy Bird game using drag and drop code, then save it to your phone to play over and over! Follow the 10 step directions to add code to your workspace as you make your bird fly toward a target, give directions for the end of game results, and edit actions and speed of the game. When finished, share games via URL or social networking links. The intro video resides on YouTube. If your district blocks YouTube, the video may not be viewable.

tag(s): coding (85), computational thinking (39), computers (102), critical thinking (108), game based learning (173), gamification (74), logic (162)

#### In the Classroom

Use Flappy Code as an interesting way to introduce coding to your class. Display Flappy Code on your interactive whiteboard or projector as you progress through the steps to code a game, then have students create and explore on their own. After school clubs and activities can use Flappy Code to learn to code. Use this tool with gifted students for a great challenge. Set up a coding activity center for interested students when they finish class work or for rainy days and snow days. Share this link on your class website for students to access both in and out of the classroom.

## Edge Features:

This resource would be engaging for students just learning how to code. Melissa, , Grades: 0 - 5

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### Novel Engineering - The Novel Engineering Project/Tufts Center

K to 12
Novel Engineering offers an integrated approach to teaching engineering with literacy. Learn about it through the short video on the home page. To find ideas, select the "BOOKS" link...more
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Novel Engineering offers an integrated approach to teaching engineering with literacy. Learn about it through the short video on the home page. To find ideas, select the "BOOKS" link at the top of the page. Choose from several well-known books to find the engineering problem(s) in the book and possible solutions from students.

tag(s): engineering (116), problem solving (220), STEM (245)

#### In the Classroom

Don't let the simple look of this site fool you; this is an excellent resource for incorporating STEM topics into your reading activities. Use ideas from this site with the literature suggested, then come up with your own ideas for any other selection of literature. If you are beginning the process of integrating technology, have students create blogs sharing their learning and understanding using Telegra.ph, reviewed here. This blog creator requires no registration. Have students or groups collect ideas and findings using Padlet, reviewed here. The Padlet application creates free online bulletin boards.

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### HTML 5 Crossword Generator - Class Tools

3 to 12

Create personalized crossword puzzles to embed on your blog or website with this easy puzzle creator. View the help for the directions and examples. It is as simple as typing ...more
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Create personalized crossword puzzles to embed on your blog or website with this easy puzzle creator. View the help for the directions and examples. It is as simple as typing a question on each line followed by an asterisk, then the correct answer. When complete, submit to view your puzzle online and choose from different options for sharing. Also, you can download puzzles as PDF documents.

tag(s): crosswords (18), puzzles (143)

#### In the Classroom

Create puzzles for any subject or topic for review or introduction to new materials. Allow students to create puzzles for other students to solve. Add a puzzle to the classroom newsletter or blog to create interest. Share puzzles on an interactive whiteboard for students to solve together.

## Edge Features:

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### USPTO - United States Patent and Trademark Office - United States Patent and Trademark Office

3 to 12

Visit the United States Patent and Trademark Office (USPTO) to help kids of all ages learn about trademarks and patents, and the importance of intellectual property creation and protection....more
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Visit the United States Patent and Trademark Office (USPTO) to help kids of all ages learn about trademarks and patents, and the importance of intellectual property creation and protection. USPTO features "collectible" cards of inventor profiles, activities at different levels - including videos about the paticulars of patents, trademarks, and more. In another video section are videos with age appropriate appeal, and titles like Driverless Cars, Bionic Limbs, Biofuels, Electronic Tattoos, and more. The invention and design focus of most of the activities makes for perfect STEM and "maker space" lessons. If your district blocks YouTube, the videos may not be viewable.

tag(s): crafts (48), digital citizenship (80), inventors and inventions (69), sound (74), sports (76), STEM (245), video (252)

#### In the Classroom

Whether an elementary, middle, or high school teacher you'll find ideas for building model rockets and more. Use an interactive whiteboard or projector and start by viewing the video on the home page titled Extraordinary Innovations. Or, in your blended or flipped class have students watch the video at home and enhance their learning by using playposit, reviewed here, to take notes, make comments, or ask questions to document what they learned from the video. Be sure to have a small or whole group discussion about what they learned from the video using their notes & comments the next day! At the end of your lesson or unit on patents and trademarks, transform learning by challenging students to create a timeline for the invention of the snowboard, or motorcycles, or another topic of interest. Why not modify classroom technology and make this an interactive timeline with music, photos, videos, and more using Timeline JS, reviewed here.

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### Plum Landing - WGBH Educational Foundation

1 to 3

Join Plum, an alien video game designer from another planet, and explore the natural world through interactive games, videos, adventures, and real life activities. Live videos feature...more
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Join Plum, an alien video game designer from another planet, and explore the natural world through interactive games, videos, adventures, and real life activities. Live videos feature kids exploring different biomes and recording data for Plum. Before each game, learn about the environmental focus that will help you win the game. Ideas for exploring and investigating outside bring environmental concepts to your own community. Post images, thoughts, and ideas to share with Plum in the gallery. A parent section offers activities to do online and outside. The educator section provides curriculum for Afterschool programs, Clubs, or Camps. Lesson plans designed for after school enrichment, clubs, and camps give curriculum topics, standards, video links, conversation starters, and related activities.

tag(s): conservation (80), earth (178), earth day (59), environment (233), game based learning (173)

#### In the Classroom

Capture student interest in environmental science, zoology, conservation, and ecology with Plum and her human friends! Use this site in science as a way to introduce the study of the Earth, biomes, or food chains. Share the videos on an interactive whiteboard or projector. Add to computers for center time. Use Plum's adventures to inspire further adventures involving the students. Use videos as a multimedia resource to supplement the science textbook. Use the adventures to inspire either narrative or expository writing. During Earth Day, students can explore your school community. Explore other science topics and modify student learning by challenging them to create comics using a tool such as Make Beliefs Comix, reviewed here, or a digital storytelling project with their own images, observations, and stories using Presentious, reviewed here. Presentious allows narrating and adding text to a picture. ENL/ESL and learning support students will find this site useful with reading support, video, and demonstrations. Have students research topics mentioned in the videos for deeper understanding. If you are beginning the process of integrating technology, replace pen and paper by having students create blogs sharing their learning and understanding using Seesaw, reviewed here. Share research and stories with other classes in your school, students' families, and on your class website or wiki.

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### Technovation Families - Iridescent

4 to 12

Technovation Families: Curiosity Machine connects scientists and engineers with young people to help design and create projects together. Create an account to begin using features on...more
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Technovation Families: Curiosity Machine connects scientists and engineers with young people to help design and create projects together. Create an account to begin using features on the site. Discover challenges to build on your own, including categories such as aerospace, robotics, engineering, and more.See the menu on the left to see them all. Find inspiration by watching videos of scientists and engineers sharing their inventions. Share your finished projects as inspiration for other aspiring engineers and scientists.

tag(s): aeronautics (9), computers (102), design (83), engineering (116), gifted (62), inventors and inventions (69), makerspace (41), oceans (140), problem solving (220), robotics (22), STEM (245)

#### In the Classroom

Be sure to take advantage of the free educator units offered with membership. Share project ideas with students as ideas for a school science or engineering fair. Share this site with students interested in exploring careers in science or engineering. Encourage students to enhance their technology use and learning by using a visual blogging tool such as Telegra.ph, reviewed here. With Telegra.ph you just click on an icon to upload images from your computer, add a YouTube or Vimeo, or Twitter links (no registration required), to document their progress while completing projects. Have gifted students choose projects from the site to complete as enrichment within different learning units.

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### Bill's Games - Bill Kendrick

4 to 12
Bill's Games offers a variety of free online activities and puzzles. Although this site is "plain vanilla," there are classic activities that offer challenges for all ages. Scroll through...more
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Bill's Games offers a variety of free online activities and puzzles. Although this site is "plain vanilla," there are classic activities that offer challenges for all ages. Scroll through the home page to find puzzles, board games, mazes, and word games. Each activity includes directions for play and many offer options for difficulty levels.

tag(s): game based learning (173), logic (162), problem solving (220), puzzles (143)

#### In the Classroom

Share and demonstrate the activities on an interactive whiteboard. Create a link on classroom computers to use as a center. Challenge students to increase difficulty levels in games and activities. Ask students to journal about their problem-solving process when playing games and activities.

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### 4 Numbers Game - 4nums.com

1 to 8
The 4 Numbers Game is a classic math game. Use the four numbers provided and basic math (+, -, x, /) to arrive at an answer of 24 as quickly ...more
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The 4 Numbers Game is a classic math game. Use the four numbers provided and basic math (+, -, x, /) to arrive at an answer of 24 as quickly as you can. Play alone or with multi-players. Play with a time limit (or without). Choose the kids game to play without division or multiplication. Be sure to view the How to Play link for complete rules and suggestions. Find new puzzles on the site daily, or follow 4 Numbers via Twitter to receive notifications of the puzzle of the day. This site is also available as an app for both iOs and Android devices.

tag(s): addition (126), DAT device agnostic tool (138), division (97), equations (116), mental math (18), multiplication (120), problem solving (220), subtraction (108)

#### In the Classroom

Share the 4 Numbers Game on an interactive whiteboard or projector to demonstrate how to play, and then create a link to 4 Numbers on classroom computers. Challenge students to begin playing without time limits. As they become more skilled, start using the clock and have them try to beat it. Have students take a screenshot of any game. Next they can upload the screenshot image and add voice bubbles to explain what they learned. Use a tool such as Phrase.it, reviewed here. If you do not know how to convert a screenshot into an image file, take a picture of the screen using a digital camera, then upload the file to your computer. Be sure to share a link to the 4 Numbers Game on your class website or blog for play at home.

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### The Griddle - Handcrafted Logical Fun - David Millar

4 to 12
The Griddle offers a small selection of math and logic puzzles. Choose from puzzles for younger students including Sudoku and Number Soup. For older students check out a Sudoku or ...more
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The Griddle offers a small selection of math and logic puzzles. Choose from puzzles for younger students including Sudoku and Number Soup. For older students check out a Sudoku or Conflict Graphing puzzle. Click the name of each puzzle to go to the link for the PDF download. Other downloads are multiplication charts in black and white or color with options for including numbers or using blank charts. The Arithmetic Worksheet Generator provides a large number for creating customized worksheets, be sure to read the instructions at the bottom of the page on how to change the type of problems and locations on the worksheet.

tag(s): logic (162), problem solving (220), sudoku (10), worksheets (68)

#### In the Classroom

Use the puzzles found on The Griddle as part of math centers, for homework, or as part of any logic and problem-solving unit. Create and differentiate worksheets using the Worksheet Generator.