Math 2

3-4: Add Using Compensation

Standards:

2.NBT.B.5

Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

OBJECTIVES

Objectives

Mathematics: Break apart addends and combine them in different ways to make numbers that are easy to add mentally.
Language: Write sentences and equations to show how add ends can be broken apart into different ways to help add.

Learning Intentions

Thursday

Learning Intention

I am learning to use compensation to make an addition equation easier to solve mentally.

Lesson 3-4

Vocabulary

Compensation

Success Criteria

I can make an easier equation by taking an amount from one addend and giving it to another addend to make a ten.

https://www.savvasrealize.com/community/scorm/courses/1db9cd86594ac398b399c38dd90053c4/A0674420/auth/asset/IMG759158.png

27 + 16 = _____Draw counters on the ten-frames to show each addend.Then show how you can move some counters to make it easier to find the sum.Explain your work.

Solve and Share

Multiple Choice

Name the strategy used to solve:

• count on

• jump strategy

• make a 10

• compensation strategy

Multiple Choice

What strategy is this?

• count on

• jump strategy

• make a 10

• compensation strategy

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