Open Up - Grade 7 - Mathematics - Unit 1 - Lesson 10

Here is a scale drawing of a swimming pool where 1 cm represents 1 m.

How long and how wide is the actual swimming pool?

Here is a scale drawing of a swimming pool where 1 cm represents 1 m.

Will a scale drawing where 1 cm represents 2 m be larger or smaller than this drawing?

Here is a scale drawing of a swimming pool where 1 cm represents 1 m.

Make a scale drawing of the swimming pool where 1 cm represents 2 m.

A map of a park has a scale of 1 inch to 1,000 feet. Another map of the same park has a scale of 1 inch to 500 feet. Which map is larger? Explain or show your reasoning.

A map of a park has a scale of 1 inch to 1,000 feet. Another map of the same park has a scale of 1 inch to 500 feet. Which map is larger?

Do you agree or disagree?

On a map with a scale of 1 inch to 12 feet, the area of a restaurant is 60 in². Han says that the actual area of the restaurant is 720 ft².

Do you agree or disagree?

If Quadrilateral Q is a scaled copy of Quadrilateral P created with a scale factor of 3, what is the perimeter of Q?

Triangle is a scaled copy of triangle DEF. For each of the following parts of triangle ABC, identify the corresponding part of triangle DEF.