Teachers, save “Addition and Subtraction Facts to 20” to assign it to your class.

WALT: add and subtract one-digit and two-digit numbers to 20, including 0. 1. Click to start. 2. Look at the different games. Choose a game to play. 3. Click the and play for at least 10 minutes. 4. On the last page, click or to share which game was your favourite. 5. Click to save the games to play another time.