Videos and solutions to help Grade 2 students learn how to use scissors to partition a rectangle into same-size squares, and compose arrays with the squares.

Common Core Standards: 2.OA.4, 2.NBT.2, 2.NBT.6

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Common Core Math Resources, Lesson Plans & Worksheets for all grades

Common Core Math Video Lessons, Math Worksheets and Games for Grade 2

Common Core Math Video Lessons, Math Worksheets and Games for all grades

Topic C: Rectangular Arrays as a Foundation for Multiplication and Division

Lesson 15 Homework

1. Shade in an array with 3 rows of 2.

Write a repeated addition sentence for the array.

3. Shade in an array with 4 columns of 5.

Write a repeated addition sentence for the array.

5. Draw one more row of 3 and then one more column to make a new array.

Write a repeated addition sentence for the new array.