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

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

Line your rod, and get ready to practice solving two-digit subtraction word problems!

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 practice subtraction within 30 as they race down the mountain in this fast and fun math game!

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