Day 18: Adding 3 Addends

Introduction

Hi Mathematicians,

Today you will practice adding three addends. Watch the video to learn how and then complete the practice activities. You may want to use Unifix cubes or counters to help you with this lesson.

Happy adding!

 

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Video

 

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Interactive

 

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Activity

In your math journal: Use cubes or counters to solve these problems. Record the equations with the answers in your journal.

9 + 2 + 1 =

3 + 4 + 4 =

5 + 2 + 3 =

6 + 4 + 4 =

2 + 7 + 5 =

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