Subject Mathematics
Subtract 1-digit from 2-digit Level 2
Subtract 1-digit from 2-digit (With Regrouping) Level 2
Subtract 1-digit from 2-digit (No Regrouping) 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