Half-length practice test for the third grade OAT (Ohio Achievement Test). The test includes 17 multiple-choice and 4 open-response questions dealing with topics such as number sense (order of operations, ratios), measurement (metric...

If you're superstitious you may want to try this math challenge. Test your reasoning and number sense skills by finding out if there is a Friday the 13th every year. Discover how understanding number patterns and reasoning can be helpful...

Do you know how long it takes your heart to beat 100 times? Test your estimation and number sense skills with this problem-solving challenge. A one-page activity taken from the NCTM Math Challenges for Families Collection. Hints and...

Try this math challenge where you investigate the average number of hours teen actually spend working. Apply your problem solving, number sense, and computation skills in this one page activity from the NCTM Math Challenges for Families...

How about a math challenge for a sunny day at the beach? Apply your problem solving, number sense, and logical reasoning skills to find out how long it would take Helix to get sunburned using SPF 10 lotion. Discover why understanding...

Is "time money"? See if you can figure out exactly how much your time is worth. Explore the concepts of number patterns, time, and money in this one-page activity from the NCTM Math Challenge for Families series. Find out why mastering...

This interactive worksheet combines all four operations. The focus is on addition and subtraction fact through one hundred and basic multiplication and division facts. This easy to navigate activity offers learners immediate feedback and...

This interactive worksheet combines all four operations. The focus is on three-digit addition and subtraction and basic multiplication and division facts. This easy to navigate activity offers learners immediate feedback and would be...

Build your computation skills using this interactive worksheet that focuses on all four operations including three-digit addition and subtraction and basic multiplication and division facts. This is an easy to navigate tool and learners...

This interactive worksheet that focuses on all four operations including three-digit addition and subtraction and basic multiplication and division facts. This easy to navigate tool gives learners immediate feedback. Problems presented...

This interactive worksheet that focuses on computation skills with all four operations would be an ideal tool for practice or short assessment. Presented in a horizontal format, this activity is easy to navigate and gives learners...

Use this interactive worksheet to build your multiplication, division, and problem solving skills. This collection of word problems also focuses on concepts such as part of whole and equivalent fractions. Answers can be checked...

A very thorough lesson plan where students explore the concept of "less than" and "greater than," using cookies.

Can you help Ben and Mai escape their captors and foil the robbers' getaway plan? Test your mathematical aptitude in this captivating, interactive, adventure game that uses a PDA/calculator to solve math clues. Students will activate...

Try this "Real world," challenge taken directly from the today's health journals. Use your problem solving, data analysis, and number sense skills to figure out if soda intake among teenage girls is related to incidences of broken bones....

What are square numbers? Use tiles at this one page website to discover the pattern of square numbers. See if you can solve the challenge. Once you have your solution you can check the solution given right at the website.

Use your problem solving skills and move the dominoes around on the square so that each side has only eight dots. When you are finished you can check your answer against theirs right at this one page NRich website.

On this one page website move the domino pieces around until you satisfy the rules for this challenge. This will require you to use your problem solving skills.

On this one page website sharpen your logic and pattern extension skills while working on this challenge. The solution is available to double check your solution.

On this one page website sharpen your logic and pattern recognition skills while working on this challenge. The solution is available to double check your solution.

Use the shapes provided and figure out how they fit together to make a 3 X 3 cube at this one page website. The solution is readily available right at the website.

A math challenge where geometry, measurement, and problem solving meet. Explore the properties of three dimensional shapes when you discover how six friends can equally divide a nine inch square chocolate cake. A one page activity from...

This one page Mathworld site has a number of examples of semiregular tessellations. A definition and a small amount of related information is given at the bottom of the page.

A "one star" geometry problem that requires problems solving skills and exercises ones visual-spatial abilities. One may want to cut out the pieces to solve the problem as a puzzle.