💛15.3 Add within 100 Using Partial Sums when Decomposing one Addend

Add within 100 Using Partial Sums when Decomposing One Addend

Introduction/Instructions for Page

 

Hello, Math Wonders!

In this lesson, we will decompose or break apart one addend to add and find sums. 

Steps to Complete the Assignment:

  1. Watch the Video: How to Find Sums by Decomposing
  2. Complete the Interactive Activity: Decompose to Find the Sum

Add within 100 Using Partial Sums when Decomposing One Addend

Video/Visual

Watch the video to learn how to decompose or break apart one addend to add and find sums. 

In Your Notebook: Please take down important notes, such as formulas, and attempt the practice examples independently.

 

 

 


Decompose to Find the Sums

Interactive

 

Complete the Interactive Activity: Decompose to Find the Sum

  • Complete the math true or false activity to practice decomposing numbers to find sums. 

 

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