Lesson: Composing and Decomposing 2D Shapes Elementary School Mathematics 1st Grade

Mathematics

In this lesson, we will learn how to compose 2D shapes to make a composite shape and decompose composite shapes into smaller shapes.

Sample Question Videos

Q1:

If I cut the square along the dotted line, what shape will each piece be?

Q2:

If the given shape is cut along the dashed lines, what shapes are formed?

Q3:

What set of shapes can form the following figure?

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