Help Agent 00K9 defeat the evil El Gato in this subtraction number line game.

Kids boost their math skills while shredding the slope in this subtraction race to the finish line!

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

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

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