Learners practice subtraction and patterns of one less in this underwater math race!

Players race down the roaring rapids while practicing subtraction patterns of one less.

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

In this matching game, first graders look at subtraction facts that are missing factors.

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

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