Showing Results for estimating to subtract

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

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

Work on measurement by sliding cards along a table with your second grader in this fun game. Use centimeters or inches, add up your totals, and see who's won!

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.