Videos and solutions to help Grade 2 students learn how to compose arrays from rows and columns, and count to find the total using objects.

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 B: Arrays and Equal Groups

Lesson 5 Homework

2. Circle groups of 4. Redraw the groups of four as rows and then as columns.

4. Count the objects in the arrays from left to right by rows and by columns.

5. Redraw the smiley faces and triangles as columns of 3.

6. Draw an array with 20 triangles.