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Comparison model 1

María Ignacia Echeverría

Created on May 22, 2022

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Transcript

Math third grade

Word-Problems

Lo: Understand how to use comparison models to solve addition and subtraction word problems.

Menu of the class

Recalling

Challenge

Exit ticket

Practice

Challenge

Recalling: BAR MODELs

At a book fair, Anna sold 340 books. Janet sold 460 more books than Anna. How many books did Janet sell? ?

460

Ana sold: 340

340

Janet: 460 more than Ana

Ana

How many books janet sell

Janet

800 - 340 460

340 + 460 800

Comparison Key words

How many more?
How many less?
more than
less than
fewer than
How much more?
How much less?

Extra practice

Workbook

p.69

Workbook

p.69

Workbook

p.70

Workbook

p.70

LEt´s be creative!

Now you can create your own comparison word problem! Do not forget to use the key words!

Challenge!

Exit ticket