Unit 4, Lesson 25-- Subtraction by Renaming First

Lesson 25-- Subtraction by Renaming First

Introduction

Hello Mathematicians! Today we will work on another strategy you can use when you are subtracting. This strategy is helpful when you know you will need to regroup when solving a problem.

Video

In Your Math Notebook:

Let’s get out our math journals and work through the following application problem. Make sure you read the problem carefully, draw a picture to match your thinking and write and solve an equation.

**Read, Draw, Write. DONE!**
R (Read the problem carefully.) 700 pieces of notebook paper come in a pack. The students used 461 pieces of paper. How many pieces of paper are left in the pack? D (Draw a picture.) W (Write and solve an equation.)

Assignment

Directions:

Choose a strategy and solve the following problem.
On the Next page, share your strategy and solution.

3,426 - 1,271 = ?

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