How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

Use familiar household items and decorations to turn estimation into a fun game!

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.