Subtraction With Regrouping - Math Video For 2nd Grade -

Videos often use base-ten blocks or place value charts to show that the value of the number remains the same (e.g., changing 42 from "4 tens, 2 ones" to "3 tens, 12 ones"). 2. Key Instructional Strategies

Effective 2nd-grade videos typically employ one or more of these four primary strategies to accommodate different learning styles: Subtraction with Regrouping - Math Video for 2nd Grade

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. Videos often use base-ten blocks or place value