Lesson: Column Addition of Three-Digit Numbers: Regroup Ones and Tens JUMPMath 6.1 • Part 1 of 2 • Assessment & Practice • US Edition • JUMPMath 2.2 • Part 2 of 2 • Assessment & Practice • US Edition • Math in Focus • Singapore Math • Grade 2 • Volume A • Common Core • Go Math! • Grade 3 • Common Core • Go Math! • Grade 2 • Common Core • Math Connects • Grade 3 • Student Edition • enVisionmath2.0 • Grade 2 • Volume 2 • Common Core • enVisionmath 2.0 • Grade 3 • Volume 2 • Common Core • JUMPMath 4.1 • Part 1 of 2 • Assessment & Practice • US Edition

Mathematics

In this lesson, we will learn how to add two three-digit numbers when we have to regroup ones and tens and record the calculation in columns.

Sample Question Videos

Q1:

Jacob used place value blocks to show how to add 243 and 688.

What is the sum?

Q2:

Add 242 and 167. Use place value blocks if you need to.

Hint: Do you need to regroup ones or tens?

Q3:

Add 266 and 547. Use place value blocks if you need to.

Hint: Do you need to regroup ones or tens?

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