Level Level 2
Fresh addition: Subtracting two-digit numbers by counting on Level 2
Using compensation method for subtraction, up to two digits Level 2
Breaking down a two-digit number to aid in subtraction Level 2
Breaking down single-digit numbers to aid in subtraction Level 2
Addition Word Problems: 4 numbers Up to Two Digits Level 2
Add Three/Four Numbers Vertically: Up to Two Digits Level 2
Add Four 2-digit Numbers Level 2
