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Understanding Addition

Lesson 1 - Addition Stories

I will use counters to show addition stories.

Lesson 2 - Modeling Addition

I will add by joining two groups.

Lesson 3 - Addition Sentences

I will write addition sentences using + and =.

    Lesson 4 - Adding Zero

    I will find sums by adding zero.

    Lesson 5 - Problem Solving Strategy: Write a Number Sentence

    I will write number sentences to solve problems.

      Lesson 6 - Ways to Make 4, 5, and 6

      I will use counters to make sums of 4, 5, and 6.

      Lesson 7 - Ways to Make 7, 8, and 9

      I will use counters to make sums of 7, 8, and 9.

      Lesson 8 - Ways to Make 10, 11, and 12

      I will use a ten frame and counters to make sums of 10, 11, and 12.

      Lesson 9 - Problem Solving Investigation

      I will choose a strategy to solve a problem.

        Lesson 10 - Vertical Addition

        I will add across and down.

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