Choo-choo! Kids use a number line to solve three-digit subtraction problems in this fun-filled train game.

Help your child hone their three-digit subtraction skills with this digital learning adventure!

In this underwater game, children choose the correct subtraction expression for a given fact family.

What happens when you take 10 away? Practice finding 10 less in this three-digit subtraction game.

Kids subtract apples in two-step equations to find a target number.

Kids must quickly add or subtract two-digit numbers to save the day.

Kids help Elliott prepare treasures for her museum by answering word problems by using a tape diagram.

Introduce first graders to the concept of subtracting multiples of 10 in this exciting math game.

Kids race down the mountain by correctly subtracting multiples of 10 from two-digit numbers.