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Lesson: Column Addition of Three-Digit Numbers: No Regrouping Mathematics • 2nd Grade

In this lesson, we will learn how to add two three-digit numbers when we do not have to regroup and record the calculation in columns.

Lesson Plan

Students will be able to

use place value models to add two numbers in columns,
add a two-digit and three-digit number vertically using the column addition method,
add two three-digit numbers vertically using the column addition method.

Q1:

Add 35 to 113.

Hint: Use the place value blocks if you need to.

Q2:

Add 354 to 633.

Tip: Use place value blocks if you need to.

Q3:

What is the sum of 171 and 311?

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