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Lesson: Doubles Plus Two Mathematics • 1st Grade

In this lesson, we will learn how to add two numbers whose difference is two by using doubles facts for sums up to 20.

Lesson Plan

Students will be able to

recognize situations in which doubles plus two is a reasonable strategy for solving addition problems,
use models to solve addition problems by using the doubles plus two strategy,
solve addition problems by using the doubles plus two strategy without using models.

Q1:

We can use doubles facts to help us add.

What is double 8?

Use the doubles fact to find .

Q2:

True or False: is 2 more than double 6.

Q3:

True or False: Double 4 is the same as .

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