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.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Making holiday jars with your child will fill their heart with cheer! This activity asks your students to get into the holiday or winter spirit by filling a jar with something sweet, like marshmallows or another favorite treat. They can either gift this t

This science fair project will help students learn about non-vascular plants, such as mosses.

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.

Help your child create a rebus message for a unique Father's Day card or poster; it's like a collage and encoded message all in one!

This chore obstacle course will keep your child entertained and engaged, while also helping them improve their efficiency at everyday tasks.