Showing Results for estimating to subtract

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!

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

Prepare for some scary Halloween counting practice! This game encourages players to knock down cylinders and then add to determine their scores.

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

Nothing chases the blues away like a trip to the boardwalk. Bring the fun home with this do-it-yourself version that sneaks in some math practice.

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

Engage your third-grader in this version of the classic game and she will get lots of practice using mental math to solve addition and subtraction problems.