Curated OER
Subtracting With or Without Regrouping - Lesson & Worksheet
Second graders analyze subtraction problems. In this subtraction lesson, 2nd graders examine how to subtract numbers with and without regrouping. Students work in teams to complete board races. Assessment is provided.
Curated OER
Column Subraction with Four Digits
In this column subtraction with four digits worksheet, students solve fifteen subtraction problems using regrouping when it is needed.