Less Challenging

• Add within 20 without crossing 10

• Teen numbers (5)

• Subtraction sentences within 10

More Challenging

• Subtract within 20 without crossing 10 (2)

• Add & sub within 20 without crossing 10

• Subtract within 100 w/o crossing the 10

About This Sprint

Connect single-digit subtraction to subtracting with teen numbers, e.g.

5 - 3 =

15 - 3 =