Unit 4, Lesson 6-- Using the Midpoint to Round to the Nearest 10

Lesson 6-- Using the Midpoint to Round to the Nearest 10

Introduction

Hello Mathematicians! Today we will practice using the midpoint between two tens to round.

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Video

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Interactive

Directions:

• Open the interactive drawing link below, and make a copy.
• Drag each number to where it belongs on the chart.

Round to the Nearest 10 Interactive Drawing Task Links to an external site.

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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. Remember sometimes we don’t need an exact answer. Look for key words like “about how many” to help you know when an estimate is expected to be given. Make sure you use your knowledge of rounding to the nearest ten!

Read, Draw, Write. DONE!

R (Read the problem carefully.) Elliott had 249 little toy trains. Teddy had 324 little toy trains. About how many toy trains do they have together?  D (Draw a picture.) W (Write and solve an equation.)

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