Enlargement of Shapes Worksheet

Explore the concept of enlargement, scale factors, and corresponding sides and angles in geometric figures at a Grade 7 level.

Grade 7 Math GeometryEnlargement

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Includes

Multiple ChoiceFill in the Blanks2 Short AnswerTrue / FalseMatching

Standards

CCSS.MATH.CONTENT.7.G.A.2CCSS.MATH.CONTENT.7.G.A.1

Topics

mathgeometryenlargementscale factorgrade 7

8 sections · Free to use · Printable

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Enlargement of Shapes

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Read each question carefully and answer to the best of your ability. Show all your work where necessary.

1. What happens to the angles of a shape when it is enlarged?

They get larger.

They get smaller.

They remain the same.

They double in size.

1. The ratio of the length of a side of the enlarged image to the length of the corresponding side of the original object is called the .

2. When a shape is enlarged, its are proportional to the original shape's sides.

1. A rectangle has a length of 5 cm and a width of 3 cm. If it is enlarged by a scale factor of 2, what are the new dimensions of the rectangle?

1. If a shape is enlarged by a scale factor of 0.5, the new shape will be smaller than the original.

True

False

1. Triangle ABC has vertices A(1,1), B(3,1), and C(2,3). If it is enlarged by a scale factor of 3 with the origin as the center of enlargement, what are the coordinates of the new vertices A', B', and C'?

Match the term to its definition.

1. Enlargement

a. The point from which a shape is enlarged.

2. Scale Factor

b. A transformation that changes the size of a shape.

3. Center of Enlargement

c. The ratio by which a shape is enlarged or reduced.