Curated OER
Adding with Different Numbers of Digits
Expand addition concepts by challenging your pupils with these multi-digit addends. They add up numbers with up to seven digits, regrouping where needed. The first six are written vertically and the next two are horizontal. Make...
Math Worksheets Land
Add and Subtract within 1000 - Independent Practice Worksheet
Give your mathematicians some practice with three-digit numbers as they complete these addition and subtraction problems. There are six vertically-formatted equations to start, then learners add to and subtract from eight numbers...
Curated OER
Add and Subtract to 100
Looking for practice problems to keep your math experts in top shape? Here are 10 problems in both addition and subtraction, all involving only double-digit numbers. Some of these involve borrowing and regrouping, so be sure your kids...
Curated OER
Addition
Those are some big addends! Challenge students to find the sum of 16 equations, each of which has at least three addends. They are adding, two, three, and four-digit numbers here, and regrouping is a given. Two example problems offer...
Curated OER
3-Digit Subtraction and Addition
In this 3-digit subtraction and addition activity, students problem solve with regrouping. In this fill in the blank activity, students answer sixteen problems.
Curated OER
Computing With Customary Units
In this mathematics worksheet, 6th graders identify and practice adding and subtracting units of measure. They add or subtract and regroup for each problem. Then, students explain how each way is different.
Curated OER
Junk Yard Math
Third graders explore the process of place value and subtraction through regrouping and borrowing exercises. Several activities using manipulatives are utilized in the activity.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.