Subtraction With Regrouping - Math Video For 2nd Grade Official

Subtraction with regrouping is necessary when the digit in the (top number) is smaller than the digit in the subtrahend (bottom number) within the same place value column.

Effective 2nd-grade videos typically employ one or more of these four primary strategies to accommodate different learning styles:

To help students remember when to regroup, many videos use catchy rhymes or catchy visual cues: