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

### Interactive Whiteboard Resources - Woodland Grange Primary School

K to 8

This site offers a growing bank of resources for elementary teachers to use with interactive whiteboards or projectors. If you don't have a whiteboard, files can be opened on computers...more
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tag(s): fluency (23), iwb (31), literacy (107), number sense (96), numbers (198)

#### In the Classroom

Introduce activities to your classroom then use this site as a learning center (use on computer if you don't have an interactive whiteboard.) These activities are perfect for at-home practice so share the site with parents through your classroom newsletter or blog and include practice for homework.

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### Number Cruncher - Science Net Links

K to 5
At this site, you are given a starting number and a target number. The goal is to get to the target number in as few steps as possible (using both ...more
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At this site, you are given a starting number and a target number. The goal is to get to the target number in as few steps as possible (using both positive and negative integers.) This number puzzle activity is perfect for developing and enhancing number sense and critical thinking skills. Be sure to pay attention to the operation sign next to each number as that directs you on how to proceed. You can only select numbers adjacent to your current number, so you must plan ahead. Two levels are available: beginners try to reach the target number in as few steps as they can; experts only use seven steps. Move through phases within each level as you achieve target numbers.

tag(s): addition (238), critical thinking (110), division (167), logic (236), multiplication (221), number sense (96), numbers (198), operations (118), subtraction (198), whole numbers (16)

#### In the Classroom

This site is perfect for use on your interactive whiteboard or projector as a class activity, small group center, or quick 5 minute number sense practice. Share the site on your interactive whiteboard and use as a math center to practice math facts. Create a class chart for students to record achievement within levels. Share the site with parents through your classroom website or as a Favorite on your TeachersFirst public page for a fun way to practice operations at home.

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### PuzzleMaker - Discovery

1 to 9
Here's every parent or teacher's dream: a site that helps you make your own puzzles, word games, and math puzzlers. There is a selection of almost a dozen different formats, ...more
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Here's every parent or teacher's dream: a site that helps you make your own puzzles, word games, and math puzzlers. There is a selection of almost a dozen different formats, each of which can be customized to meet your specific needs. Choose the puzzle type you want from the drop-down menu. Both adults and learners can create games!

tag(s): crosswords (18), puzzles (206)

#### In the Classroom

Create your puzzles by following the simple directions. These can be used both online and in print form. You or your students can create games for use on an interactive whiteboard (students highlight the answers in different colors). Have students create their own to challenge classmates! If you have kinesthetic learners or those with weak fine motor skills who have trouble with pencils, the whiteboard is a real help. Make it a center. Build a class collection of student-made games and puzzles for use over and over. Tip: If you take a screenshot of a word search or print it to a pdf, you can save it electronically. Screenshots: Prtscrn key on a Windows machine, then PASTE into a document; Command+shift+4 on a Mac; press both buttons at once on an iPad to save a screenshot to the camera roll.

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### Brain Binders - Teachnet.com

4 to 8
This is a collection of instructions for puzzles involving paper folding. The site includes patterns which you can download and print. ...more
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This is a collection of instructions for puzzles involving paper folding. The site includes patterns which you can download and print.

tag(s): puzzles (206)

#### In the Classroom

Use the printables from this page to challenge students who need extra enrichment. Include this site on your teacher web page for students and parents to access at home for added mind-stretching fun.

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### The Enigma Device

6 to 12
Here's a puzzle to challenge even the most adept word workers. This daily puzzle from WordZap lets players unscramble a phrase using letter substitution. It sounds simple, but the process...more
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Here's a puzzle to challenge even the most adept word workers. This daily puzzle from WordZap lets players unscramble a phrase using letter substitution. It sounds simple, but the process is more complex than one might imagine. This is a great site to challenge "out of the box" thinkers.

tag(s): puzzles (206)

#### In the Classroom

Be sure to include this site on your teacher web page for students to access outside of class for a daily challenge. Also consider sharing this site with your teaching colleagues who work with your gifted students.

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### Math Machines - Robert Chaney

8 to 12

If you are looking for ideas to incorporate mathematical problem solving with fun, hands-on activities this site is for you! Well over 20 activities are offered covering Algebra, Trigonometry,...more
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If you are looking for ideas to incorporate mathematical problem solving with fun, hands-on activities this site is for you! Well over 20 activities are offered covering Algebra, Trigonometry, Science/Physics, General Math, and Technology concepts. Choose a category, then select the activity and view all the materials offered. Titles include Color Sines, Right Triangle SAM, and Binary Signals. Each activity includes facilitator notes including 11 items from overview, setup, discussion questions, and troubleshooting. Most also include participant handouts in MS Word format and software needed for calculator programs.

tag(s): angles (87), critical thinking (110), electricity (91), light (49), logic (236), magnetism (38), stars (64)

#### In the Classroom

Share this site with students and preview each of the activities, then allow students to choose an activity for a math project. Several activities on the site are perfect for use as cross-curricular projects with the Science or Technology departments. Use this site as a resource for math or technology fairs. This site is perfect to use as a resource with gifted students - allow them to choose a project that coincides with their interests.

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### Free Technology Toolkit for UDL in All Classrooms - Karen Janowski

K to 12

Free Technology Toolkit for UDL in All Classrooms is the reference tool that gives you all the necessary free websites to promote learning for all students. UDL, or Universal Design...more
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Free Technology Toolkit for UDL in All Classrooms is the reference tool that gives you all the necessary free websites to promote learning for all students. UDL, or Universal Design for Learning, is a concept promoting learning for all learners using assistive technology to promote motivated, strategic, flexible, lifelong learners. UDL reduces barriers and offers support and challenge for each individual learner. Create a free account to make your own wiki or to join in another wiki. Some available resources are free text-to-speech, graphic organizers, multimedia and digital storytelling, study skills tools, literacy tools, writing tools, collaborative tools, research tools, math tools, and tools that compensate for handwriting issues.

tag(s): differentiation (48), graphic organizers (42), literacy (107)

#### In the Classroom

Refer to this site when you have a struggling learner who needs more support or the student who needs a challenge. Dig through these sites to use in your classroom. Go down the list and incorporate two a week. Many are also reviewed in more detail on TeachersFirst, so don't forget to search for our in-depth reviews to learn more. Ask your student technology crew to investigate and find their favorite from a list of three sites. Add to your class website as a reference. Use this site at Back to School Night to help parents jump into educational technology! Add more to the list! This only opens the doors to technology.

Deborah, LA, Grades: 0 - 12

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### Fifty Ideas (and more) for the 100th Day of School - TeachersFirst

1 to 8
Here's a list of 50 things you and your students can do to celebrate the 100th day of school! ...more
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Here's a list of 50 things you and your students can do to celebrate the 100th day of school!

#### In the Classroom

Email this to your colleagues or share it with parents for them to join in at home.

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### TeachersFirst's Summer Sparklers - TeachersFirst

K to 12
This collection of editors' choices from TeachersFirst will spark summer excitement for parents and kids alike. Whether your want to create something, ignite new learning, or hold on...more
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This collection of editors' choices from TeachersFirst will spark summer excitement for parents and kids alike. Whether your want to create something, ignite new learning, or hold on to what you already know, you will savor these safe, reviewer-recommended resources. Be sure to share with your friends, neighbors, and family. Teachers will want to share this page with students departing for summer break. Summer will never be "boring" again!

tag(s): enrichment (13), summer (13)

#### In the Classroom

Share the link to this special collection via your class web page, newsletter, or email to all your students as they depart for vacation. You will help parents and students alike. Avoid the "summer slide."

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### World Maths Day - Mathletics

K to 12
This site offers all information on World Maths Day, usually held in March. World Maths Day has taken place each year since 2007. They plan to add science challenges. Students ...more
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This site offers all information on World Maths Day, usually held in March. World Maths Day has taken place each year since 2007. They plan to add science challenges. Students play at home and at school against other students around the world in live games of mental arithmetic. Each game lasts for 60 seconds and students can play up to 100 games, earning points for their personal tally. The students who answer the most questions correctly appear on the Hall of Fame. There are 5 different levels of play, 20 games on each level. All participants receive a digital certificate of achievement. Site resources include teacher and student quick launches, technical guides, and printable posters for the classroom.

tag(s): competitions (16), puzzles (206)

#### In the Classroom

Enroll your classroom and enjoy a fun Math Day by allowing students to participate in the Math games for a portion of their class time. Introduce the site on your interactive whiteboard, enroll your class and encourage them to participate from home for extra credit. Challenge other classes in your school to participate, record scores, and have a friendly competition for World Maths Day. Incorporate a PTO/PTA evening for family involvement.

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### ICT Games - James Barrett

K to 6

This site provides interactives for practicing many different math skills. Each are categorized by a theme such as number facts, money, and subtraction. For those not sure what activity...more
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This site provides interactives for practicing many different math skills. Each are categorized by a theme such as number facts, money, and subtraction. For those not sure what activity to try, recommended interactives by grade level are listed on the left portion of the site. On the right is a list of activities included under each category. This site has a lot to explore for all elementary students.

tag(s): addition (238), money (190), patterns (85), preK (284), subtraction (198), time (142)

#### In the Classroom

Make a shortcut to this site on classroom computers and use it as a center. Include a link to the site on your classroom website or blog for student to practice at home. This is a great site for students to use for additional practice on a skill that is difficult. Make your interactive whiteboard a student-run center for student partners to practice as they think aloud with each other. Or use this site for enrichment for your highly able students.

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### Get the Turtle to the Pond - Illuminations

K to 8

This activity offers students practice with problem solving and directional skills. The goal is to follow directions (or create your own) and get the turtle to the pond. Extensions...more
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This activity offers students practice with problem solving and directional skills. The goal is to follow directions (or create your own) and get the turtle to the pond. Extensions are offered for getting the turtle to the pond in the shortest number of steps, straightest line, and more. Be sure to check out the lesson plan to the right of the applet for instructions on using in your classroom.

tag(s): maps (289), measurement (160)

#### In the Classroom

Introduce the site on your interactive whiteboard or projector and demonstrate how to create and follow directions, then allow students to explore the site on their own, with a partner, or on the interactive whiteboard themselves. Create a link on classroom computers for students to use as a center. After students complete a path, have them map it on a piece of paper, then post the different routes and sets of directions in your classroom for other students to follow. Extend the challenge further by having students make mystery paths throughout the school!

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### Math Nook - MathNook

2 to 12

This site provides many different math activities for students. Directions are provided at the beginning of each interactive, some are for more than one player. At the bottom of the...more
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This site provides many different math activities for students. Directions are provided at the beginning of each interactive, some are for more than one player. At the bottom of the site there is a key that helps explain what skill(s) each activity teaches/practices. Click on "Search" to search the interactives for specific skills. Teachers may also want to take advantage of the free worksheet generators and math videos. Worksheets can be created for elapsed time, telling time, or addition, subtraction, multiplication, and division. Video directions are provided to help with the creation of worksheets.

tag(s): addition (238), division (167), money (190), multiplication (221), operations (118), subtraction (198), time (142), worksheets (61)

#### In the Classroom

This activity would work well for individual or pairs of students in a lab or on laptops. Create a link on your class website or blogs for students to access activities from home. Use the "key" at the bottom of the page to decipher what skills would be useful for your students.

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### MathLibs - KidCourses.com

4 to 6
MathLibs offers multiplication practice and short slide presentations on various math strands. Multiplication practice is in the format of a word problem. Before starting the problems,...more
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MathLibs offers multiplication practice and short slide presentations on various math strands. Multiplication practice is in the format of a word problem. Before starting the problems, players input several different names based on prompts. The prompts ask for teacher's names, boys and girls names, annoying boys names, etc. (like Mad Libs). These names are then inserted into the word problems to be solved. The slide presentations offer short tutorials on numbers, patterns, measurement, geometry, graphing, and probability.

tag(s): charts and graphs (195), measurement (160), numbers (198), patterns (85), probability (128)

#### In the Classroom

Use the slide presentations as an introduction to new math units or as review before quizzes and tests. Create a link on your website or blog for students to practice at home. Use the MathLib word problems as examples, then have students create their own MathLib problems and share them on a class wiki.

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### Mathematical Interactives - Mr. Hellam

3 to 12

This site offers many different math interactives, puzzles, and activities for all learners of math! Math games include popular puzzles such as the frog puzzle, matching, and an interactive...more
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This site offers many different math interactives, puzzles, and activities for all learners of math! Math games include popular puzzles such as the frog puzzle, matching, and an interactive 100's chart. Number puzzles included are magic squares and triangles, multiplication tables, mazes, and much more. Be sure to check out the interactive algebra online section for some great conversation starters and practice. This site isn't always updated with the creator's most current resources, but there is a link provided to his weblog to find the most current information.

tag(s): measurement (160)

#### In the Classroom

Create a link on classroom or computer lab computers for students to explore or practice specific math skills. Choose a different game or activity each week as a game of the week. Ask students to respond to activities in math journals by describing thought processes when solving problems. Create a class math wiki to share the activities they have tried and their successes and challenges. For more information about wikis, check out the TeachersFirst's Wiki Walk-Through.

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### MathDoku - MathDoku

4 to 12
MathDoku is a mathematical and logical puzzle based on KenKen,"? and loosely similar to sudoku. Puzzles can be solved by combining the four main mathematical functions of addition,...more
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MathDoku is a mathematical and logical puzzle based on KenKen,"? and loosely similar to sudoku. Puzzles can be solved by combining the four main mathematical functions of addition, subtraction, multiplication, and division. Difficulty levels of the puzzles can be chosen from random, easy, medium, or hard and hints can be accessed to help solve puzzles. Size of puzzles can also be chosen from 6X6, 8X8, or a printable version. This site does include some unobtrusive advertisements.

tag(s): addition (238), division (167), multiplication (221), problem solving (272), subtraction (198)

#### In the Classroom

Share this site on your interactive whiteboard or projector to demonstrate how to solve MathDokus. Create a link on classroom computers for students to explore on their own. Challenge students to create their own MathDokus. This site is perfect to use with gifted students as a problem-solving activity. Share this link on your classroom website for students to access both in and out of class.

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### Math Tricks - Pedago.net

3 to 12
Math tricks and tools fill this easy to use site. Find a list of all prime numbers up to 100 and a conversion chart for fractions to decimals to percent. ...more
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Math tricks and tools fill this easy to use site. Find a list of all prime numbers up to 100 and a conversion chart for fractions to decimals to percent. Tricks include Calendar Math which gives a formula for finding the day of the week someone was born based on their birth date, 73 which gives a formula for always finding an answer of 73 to a problem, and Two Too which provides a simple formula for always finding an answer of two after choosing any number. This site does include some unobtrusive advertisements.

tag(s): mental math (28)

#### In the Classroom

Use this site as a resource when looking for activities for a Math Night, Open House, or end-of-year fun math activities. Perform one of the tricks for students then ask them to find the explanation for how it works. Assign students tricks to perform for other students, then have them solve for the explanation. Have students act out and record Math Magic videos using these tricks, upload the to a sharing site such as TeacherTube, reviewed here

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### Gnarly Math - Solid Gold Gnarly Math

K to 12

Learn how to make math fun, entertaining, and amusing for you and your students with this math site. Although the site was created to sell an e-book and CD-Roms, there ...more
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Learn how to make math fun, entertaining, and amusing for you and your students with this math site. Although the site was created to sell an e-book and CD-Roms, there is a wide variety of items that are free making it worth a visit to the site. When you visit the link with ideas for teachers there are many short ideas and suggestions to use immediately in the classroom. For example, there are 5 minute warm-ups and tricks to use at the beginning of math class. There are several pages of similar ideas that can be used immediately in the classroom. Also included on the site are 10 free downloads from the CD-Rom. Be aware: this site does include advertisements.

tag(s): puzzles (206)

#### In the Classroom

Print the ideas for teachers and save as a resource for quick classroom math activities. Share ideas with other teachers and brainstorm more activities.

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### Classroom Activities in Topology - Hands-On Math

1 to 6

This site provides lessons with hands-on math using a Mobius strip (or band). Though the site is "plain vanilla," this topic always fascinates students. Directions are included for...more
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This site provides lessons with hands-on math using a Mobius strip (or band). Though the site is "plain vanilla," this topic always fascinates students. Directions are included for creating the strips along with a link to printable blackline masters to use. A simple, mathematically important, and wonderfully entertaining two-dimensional object, also known as the Mobius strip, that has only one surface and one edge and is therefore of great interest in topology. It is used in classrooms to develop understanding of surfaces and create mystery. Lessons build upon each other and give stopping points for each grade level. Pictures would have been helpful to demonstrate the activities; however, the site is still useful with providing lessons using the bands. More information on Mobius bands can be found here.

#### In the Classroom

During the lessons, take digital pictures of the procedures for creating and working with the Mobius bands. Older students can search for examples of Mobius bands used in the real world and create a classroom display.

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### Invention at Play - Smithsonian Museum of National History

K to 6

The Lemelson Center for the Study of Invention and Innovation offers this site as a way to explore and learn how to play. The site includes opportunities for play that ...more
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The Lemelson Center for the Study of Invention and Innovation offers this site as a way to explore and learn how to play. The site includes opportunities for play that develops visual thinking, problem solving, exploration, and collaboration. You can also create your own doodles to help develop creative thinking and invention. There is a link to inventor's stories, including stories from little known and well known inventors such as Stephanie Kwolek (Kevlar) and Alexander Bell (telephone). Each story includes background on the inventor and information on how their idea developed. Teachers may find the section entitled "Does Play Matter" useful as a resource to back up using play in the classroom. Several videos are included demonstrating play activities and skills developed through play and the use of common toys.

tag(s): biographies (87), inventors and inventions (97), problem solving (272)

#### In the Classroom

Create a link to the site on classroom computers for students to explore the games. Share the site with parents on your classroom website or blog as a resource for using play as a learning tool. Share the site at conferences or parent meetings as a resource for developing learning skills through play. Include the inventor biographies as a resource for students when researching inventors.