1. Mad Minute Subtraction: Do as many problems as you can in one minute - challenge yourself to get better each time!
2. Froggy Subtraction:  Feed the frog with subtraction facts
3. Sum Sense Subtraction:  Drag the cards to the proper spots to make number sentences.
4. Mad Minute Subtraction:  Click on the numbers on the gris to complete the number sentences.
5. Spooky Twos:  Counting on by twos - click the numbers to fill in the ghosts!