Lesson: Decomposing 2D Figures

In this lesson, we will learn how to identify or count all the 2D shapes used to build a given model and find other models that can be made with the same set of shapes.

Sample Question Videos

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Worksheet: Decomposing 2D Figures • 8 Questions • 1 Video

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:

How many squares are in the picture?

How many triangles are in the picture?

How many half circles are in the picture?

Q4:

What set of shapes can form the following figure?

Q5:

What set of shapes can form the following figure?

Q6:

Which group of shapes can make this picture?

Q7:

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

Q8:

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

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