Curated OER
Two-Digit Subtraction With and Without Regrouping
Second graders subtract two-digit numbers. In this mathematics lesson, 2nd graders subtract both with and without regrouping. Students use manipulatives and place value mats to assist in problem solving.
Math Salamanders Ltd.
Column Subtraction - 5 Digits Sheet 4
Learners complete 15 problems by subtracting one 5-digit number from another. A reference website is given for additional activities.
Curated OER
Column Subtraction - Money 3-digits Sheet 1
Elementary schoolers subtract 3-digit numbers representing money from each other. They complete 20 subtraction problems with decimals and regrouping.
Math Salamanders Ltd.
Column Subtraction—3-Digits Sheet 4
Young mathematicians practice subtraction in columns. They complete the instructional activity by solving fifteen three-digit subtraction problems.
Math Salamanders Ltd.
Column Subtraction (No Regrouping) 3-digits Sheet 1
In this column subtraction activity, students subtract three-digit numbers from each other without regrouping. Students complete 15 subtraction problems.