It takes a lot of math to build an Igloo. Can you help Kirima? Students will learn to select and apply appropriate mental, written or calculator strategies to solve addition problems.

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...

On this interactive site students learn to solve subtraction problems using a formal algorithm and to apply place value concepts.

For example, estimate 12.93 + 6.1 to be 19. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

This interactive worksheet covers a wide range of math concepts such as Roman Numerals, distributive property, estimating sums, and comparing fractions and decimals. Some concepts may be slightly challenging. Learners can access the help...

This interactive game has students apply skills in estimation, measurement, and basic addition using pearls. Students are asked to estimate the number of pearls in a treasure chest by making predictions and using number sense. The skills...

Math and literacy meet in this extensive lesson plan based on the familiar children's story, "If You Give a Mouse a Cookie." Learners will be engaged in math activities such as, "Cookie Count," "Who Took the Cookies," and "Cookie Jar...