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MathDoku - MathDoku

Grades
4 to 12
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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,...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 (128), division (98), multiplication (122), problem solving (225), subtraction (109)

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

Grades
3 to 12
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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. ...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 (18)

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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Do Try This at Home: Invention at Play - Smithsonian Museum of National History

Grades
K to 6
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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 ...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. Find a multitude of ideas for students to investigate and create from designing an all-terrain wheelchair, inventing a toy, to redesigning the shopping cart or creating a solared-powered invention. Scroll down the page to find "Story Tags." There is a link to Women inventor's stories, which ncludes the stories of some male intventors, too! Read about 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. Several videos are included demonstrating play activities and skills developed through play and the use of common toys.

tag(s): biographies (93), collaboration (85), creativity (92), design (82), inventors and inventions (71), problem solving (225)

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.

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Math Art With a Mobius Strip - Hands-On Math

Grades
1 to 6
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This site provides 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...more
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This site provides 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. 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. Two experiments build on each other.

tag(s): experiments (52), gifted (64)

In the Classroom

After "Experiment 1," show students the video for how the results should look. After you've completed "Experiment 2," you can take this activity a stip further by visiting Crayola's Mobius Magic. More information on Topology and Mobius bands can be found here. 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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Zoo Games - Minnesota Zoo

Grades
3 to 8
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Several familiar "games" are offered with an animal twist: Penguin Quest, Zoodoku, Super Trivia, Crossword, Bedazzled, and Matching. This site, created by Minnesota Zoo, also has links...more
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Several familiar "games" are offered with an animal twist: Penguin Quest, Zoodoku, Super Trivia, Crossword, Bedazzled, and Matching. This site, created by Minnesota Zoo, also has links for teachers under "Education."

tag(s): animals (278), logic (163), puzzles (143)

In the Classroom

Try the activities on your interactive whiteboard or projector as a classroom introduction to an animal-themed unit or research project. Use the trivia questions as a pretest to determine student knowledge. Choose animals used in the activities to research and compare/contrast. Try these interactives to increase student interest before a field trip to the zoo. Be sure to provide this link on your website for students to use both in and out of the class.

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A+ Click - A+click

Grades
1 to 12
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This site offers practice with math and challenging problems for all grade levels. If you teach math to grades 1-12, this site is a MUST SEE. It contains a graduated ...more
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This site offers practice with math and challenging problems for all grade levels. If you teach math to grades 1-12, this site is a MUST SEE. It contains a graduated set of over 1,000 problems starting from very easy and working up to very difficult levels. Each problem contains a short description and an image to help visualize the problem. Problems adapt to the skill of the person answering problems, grade levels cannot be increased until 5 correct problems in a row have been solved. The tests concentrate on understanding, spatial reasoning, and problem solving rather than math rules and theorems.

tag(s): decimals (84), fractions (159), logic (163), operations (72), order of operations (28), test prep (66)

In the Classroom

Share this site on your classroom newsletter or blog for students to access at home. Introduce the site on your interactive whiteboard or projector then create a link on classroom computers. Challenge students to progress through different grade levels and share problems with the class.

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Math Continuum - Learn Alberta

Grades
3 to 9
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This site contains many visual explanations of Math topics including interactive practice activities. Each explanation begins with a definition of the topic (such as adding or subtracting...more
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This site contains many visual explanations of Math topics including interactive practice activities. Each explanation begins with a definition of the topic (such as adding or subtracting fractions), then moves on to practicing the skill with the interactive pieces. Practice activities at the end of each topic are very visually appealing and will appeal to most students. One of the most useful portions of the site is the glossary which contains definitions of many Math terms along with examples of the terms in use.

tag(s): charts and graphs (168), fractions (159), integers (22), puzzles (143), statistics (114)

In the Classroom

This site would be useful for students to practice skills already learned; however, the explanations are not in-depth enough for beginning to learn concepts. Create a link on classroom computers or in the computer lab to use as practice. Use the glossary as a resource on your interactive whiteboard or projector when definitions are needed for math terms. Provide a link on your class website or blog to the glossary for students to access at home. Display the site on your interactive whiteboard, choose a subject such as adding/subtracting fractions, then click the link titled "topic" and choose the final item in the sequence - in this instance it is an activity called The Small Flood. These activities are perfect for whole-class practice in each subject.

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Conceptis Logic Puzzles - Conceptis Ltd.

Grades
1 to 8
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Students of all ages will find this site challenging and entertaining. The site includes thirteen different types of games to challenge and stretch the brain. These "Brain Games" are...more
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Students of all ages will find this site challenging and entertaining. The site includes thirteen different types of games to challenge and stretch the brain. These "Brain Games" are placed into the categories of picture logic and number logic.

tag(s): logic (163), puzzles (143), sudoku (10), symmetry (27)

In the Classroom

Use these logic puzzles to differentiate for your gifted learners. Project the activities on an interactive whiteboard or projector and use with the whole class as a brain break. Put the website on your class webpage for students to access from home. In addition use the site on your classroom computers and create a learning center during math time. When students finish a puzzle, have them print it and turn it in for a grade.

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Bubble Geometry - Thinking Fountain

Grades
2 to 5
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Have fun exploring bubbles and geometry with this site loaded with ideas for experimentation! Ideas include items to use to create different types of bubbles, materials to explore when...more
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Have fun exploring bubbles and geometry with this site loaded with ideas for experimentation! Ideas include items to use to create different types of bubbles, materials to explore when trying to create a strong bubble, different shapes to create using bubble solution, and questions to ponder. Challenge students to think about how to measure a bubble, learn about making bubble prints, and look for colors in bubbles.

tag(s): problem solving (225)

In the Classroom

Use activities from this site as a learning station or center. These activities are great for the end of the school year to promote students' exploration of the world around them, and encourage critical thinking skills. Consider including this link with your end of the year "summer to-do" list of activities. Extend it with writing activities that use "voice bubbles," using traditional paper/pencil or online comic creation tools found here.

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KenKen - Nextoy, LLC

Grades
3 to 12
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This site provides tutorials and free puzzles for the game of KenKen. KenKen is similar to Soduku; however, it has the added complication of requiring number combinations (using operations...more
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This site provides tutorials and free puzzles for the game of KenKen. KenKen is similar to Soduku; however, it has the added complication of requiring number combinations (using operations such as addition, subtraction, multiplication, and division) to fit within bolded boxes. The site has an excellent illustrated tutorial on how to play the game located at the "How to Play" link. Teachers can sign up for the free newsletter and receive free puzzles. There are several free puzzles on the site. Much of the site is devoted to selling puzzle books (so you will notice some advertisements); however, there are many free puzzles and the tutorial makes it worth a visit. Also available is an iphone app that can be downloaded to receive more puzzles.

tag(s): addition (128), division (98), logic (163), multiplication (122), puzzles (143), subtraction (109), vision (45)

In the Classroom

Review the illustrated tutorial on your interactive whiteboard or projector when showing students how to play KenKen. After students understand the game, create a link to the free puzzles on classroom computers or the computer lab for students to solve. After solving puzzles, allow students to discuss their solutions and problem-solving process.

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Wonderopolis - National Center for Family Literacy

Grades
2 to 8
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This site provides a daily "wonder" in the form of a question for students to think about. Parents and teachers can choose a topic by category or by day. Each ...more
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This site provides a daily "wonder" in the form of a question for students to think about. Parents and teachers can choose a topic by category or by day. Each question is accompanied by a video, questions to think about, links and activities that students can do. Click on the "Wonders" link to see a list of archived daily "wonders."

tag(s): creativity (92), enrichment (9)

In the Classroom

These daily wonders are perfect to use while students are waiting for homeroom to begin. You could have them projected on a whiteboard for students to work on. Use these for an enrichment/curiosity center. They are perfect for the gifted student who finishes his work early. Use the provided vocabulary in your language arts or science curriculum. Place this link on your webpage for parents to use at home. In addition, this site would be a great place for students to go for science fair ideas or research project ideas. Please note that some videos are on You Tube so be sure to check to see if the videos might be blocked in your district. Consider adding a student-submitted "wonderopolis" page on your class wiki or a bulletin board for students to post their own thoughtful questions and build creativity. Make student questioning a part of your classroom life.

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Study Jams Math - Scholastic

Grades
3 to 8
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This site provides excellent practice with different Math strands. Topics include numbers (place value, number lines, estimation), algebra, addition/subtraction, problem solving, and...more
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This site provides excellent practice with different Math strands. Topics include numbers (place value, number lines, estimation), algebra, addition/subtraction, problem solving, and more. After choosing a topic, various choices are offered. Key vocabulary is presented along with a short video explanation of the topic. In addition to the video, there is an option to test your own ability. Each topic can also be printed to use in the classroom and there is a link to related "jams" Be sure to check out the "Jams" sure to excite your students to learn new skills in a musical manner.

tag(s): problem solving (225)

In the Classroom

Introduce this site on your interactive whiteboard or projector then have students explore this site independently or in small groups. Use this site as an anticipatory set or "activator" to introduce a unit or lesson on a projector or interactive whiteboard. Create a link to the site on your class website or blog for use at home. Mention the site in your class newsletters for parents to use when helping students at home.

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Venn Diagram Shape Sorter - Shodor

Grades
3 to 8
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This site provides the opportunity to explore Venn Diagrams through the use of shapes. Different ways to create the diagrams are provided by choosing one or two circles and choices...more
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This site provides the opportunity to explore Venn Diagrams through the use of shapes. Different ways to create the diagrams are provided by choosing one or two circles and choices of circle placement. With the "Guess the Rule" option, players try to find the rule based on shapes that are allowed into the design. The learner area provides a background on Venn diagrams and how they might be used in everyday living. The instructor area provides printable exploration questions, links to standards, classroom preparation tips, and links to similar resources.

tag(s): logic (163), problem solving (225)

In the Classroom

Introduce this site on your interactive whiteboard or projector. Then have students explore this site independently or in small groups. Ask students to create their own Venn Diagram and have other students guess the rule. Consider using a site such as Interactive Two Circle Venn Diagram (reviewed here). Use the site to demonstrate Venn Diagrams that might be used with different subjects: Science - use to sort animals by different characteristics, Social Studies - sort countries by different types of rule over a given time period. The possibilities are endless.

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Comparison Estimator - Shodor

Grades
3 to 8
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This site offers practice in estimating skills through different visual comparisons. Problems are available in counting, length and area. Two comparisons are shown and then selection...more
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This site offers practice in estimating skills through different visual comparisons. Problems are available in counting, length and area. Two comparisons are shown and then selection will be made based on the question posed with the problem. Hints are available and there are two different levels of difficulty available. Tabs are also included with information for the learner, activity help, and information for instructors. Be sure to check out the information for instructors which include suggestions on how to use in the classroom, an activity sheet, links to standards, and other similar resources.

tag(s): estimation (35), problem solving (225), test prep (66)

In the Classroom

Print the exploration questions found on the instructor tab for students to complete. Display activities on your interactive whiteboard or projector as a 5 minute time filler to practice estimation skills.

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Clock Arithmetic - Shodor

Grades
4 to 8
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This activity works well for explorations with clock (modular) arithmetic. The clock can be adjusted from 2 to 24 hours, then the number of elapsed hours can be entered to ...more
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This activity works well for explorations with clock (modular) arithmetic. The clock can be adjusted from 2 to 24 hours, then the number of elapsed hours can be entered to determine the current time. Be sure to check out the instructor tab which provides a link to a student worksheet, indicates alignment to some state standards, suggested classroom uses, and offers similar resources.

tag(s): time (91)

In the Classroom

Display on the interactive whiteboard or projector when introducing the concept of military time to show a 24 hour clock. Allow groups of students to work together to create different clocks and practice elapsed time on each.

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Fuel the Brain

Grades
K to 5
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Check out this highly interactive site that offers a wealth of math activities, printables, and more for elementary students of all ages. Students will enjoy the many different Math...more
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Check out this highly interactive site that offers a wealth of math activities, printables, and more for elementary students of all ages. Students will enjoy the many different Math games such as Fact Worms (basic facts), A Lucky Place (place value), and Jelly Golf (fractions). Main topics include: Counting & Cardinality, Number & Operations, Operations & Algebraic Thinking, Measurement & Data, and Geometry. Interactives may be used without registering on the site; however, registration allows scores to be compiled and posted against other players. Be sure to check out the interactives such as Venn Diagrams as well as printables, teacher's guides, articles and seasonal resources. Activities have also been matched up to North Carolina Mathematics Standards.

tag(s): fractions (159), money (119), numbers (119), preK (254), puzzles (143)

In the Classroom

The interactives are perfect to use on interactive whiteboards or projectors. Use activities as an introduction to new units such as making change, counting on the number line, or recognizing numbers shown with base 10 blocks. Save this on your desktop on all of your classroom computers. List this link on your classroom website or blog. This is excellent enrichment and/or advancement for gifted students. It could also be used for extra practice for struggling students. This site is definitely one to save and revisit often.

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Word Games - FPS Networks Inc.

Grades
2 to 12
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Word Games has compiled many of the web's best word games into one resource. Games are categorized in several different ways such as typing, word search, puzzles, and others. In ...more
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Word Games has compiled many of the web's best word games into one resource. Games are categorized in several different ways such as typing, word search, puzzles, and others. In addition, the newest and most popular games are identified for easy access. Facebook users can "like" the site and receive daily games to play. This site provides varied activities to help increase word skills at many different levels.

Navigate carefully as this site has many advertisements! But the great interactives make it worth the hassle.

tag(s): logic (163), puzzles (143), sudoku (10)

In the Classroom

Introduce this site on your interactive whiteboard or projector then have students explore this site independently or in small groups. Make a shortcut to this site on classroom computers and use it as a center. Provide a link to these activities on your class website.

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Whole Number Cruncher - Shodor

Grades
3 to 8
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This site provides practice with linear functions through the use of a function machine. Options include use of addition or multiplication and use of integers from 0 to 10. The ...more
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This site provides practice with linear functions through the use of a function machine. Options include use of addition or multiplication and use of integers from 0 to 10. The learner section provides a great background on linear functions and how they are used with higher level mathematics such as calculus. There is a detailed help area that provides instructions on how to use the function machine. Be sure to check out the instructor area that includes standards addressed, classroom ideas, links to similar resources and a printable exploration questions that can be used in the classroom.

tag(s): functions (52), logic (163), patterns (63)

In the Classroom

Introduce the activity on your interactive whiteboard or projector, then provide students with the exploration questions to complete on their own or with a partner. Provide a link on your classroom website or blog for practice at home. Make a shortcut to this site on classroom computers and use it as a center. Have students create their own function machines to be solved by classmates.

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More or Less Estimator - Shodor

Grades
3 to 8
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This activity allows the user to estimate quantities and sizes including the number of objects in a set, the lengths of a curve, and the area of a shape. Many ...more
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This activity allows the user to estimate quantities and sizes including the number of objects in a set, the lengths of a curve, and the area of a shape. Many options are available for exploration - the size of the curve can be changed, problem type can be changed and there are 2 levels of difficulties. The learner section explains the activity as well as discusses how estimation is used in everyday life. In addition to a description of the activity, the instruction section provides possible issues to address in the classroom, links to standards, and links to other similar resources.

tag(s): estimation (35), measurement (125)

In the Classroom

Introduce the activity on the interactive whiteboard or projector and model for students how to use estimation instead of actually counting the figures. Use the site as a springboard to discuss when estimation is appropriate and when measurement is needed. Use the site to begin discussions on what level of estimation is needed in different circumstances (close, really close and almost perfect).

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Math Solutions - Math Solutions

Grades
K to 12
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This site provides many resources for math teachers of all grades and includes lesson plans, articles, classroom and administrator questions and answers, and helpful links - all located...more
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This site provides many resources for math teachers of all grades and includes lesson plans, articles, classroom and administrator questions and answers, and helpful links - all located under the "helpful tool" tab at the top of the site. Click to find elementary resources, algebra, calculus, and other "basic math." Free webinars are also available within the site. Math Solutions was founded by Marilyn Burns, who is known as one of the foremost experts in elementary math instruction. Although much of the website is devoted to materials and Professional Development for sale, there are many resources available for free that are extremely helpful for classroom teachers. One such resource is the classroom lessons portion. Lessons are in ready to print PDF format making them easy to review and use for planning. Sample classroom conversations are often included along with samples of student work and suggestions for use in the classroom. This site also sells many resource materials, so links to these materials are included for alternative resources within the lesson. No need to buy, however! Teachers can sign up to receive the free monthly newsletter containing information about new materials on the Math Solutions site.

tag(s): problem solving (225)

In the Classroom

Take advantage of the free lesson plans; also search for plans in grades higher and lower that can be modified to meet your students' needs. Display student work included with the lesson plans on your interactive whiteboard or projector as conversation starters in your classroom - allow students to discuss other students' work to increase understanding of concepts.

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