Scale Factors

Scale Factors

Assessment

Flashcard

Mathematics

7th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a scale factor?

Back

A scale factor is a number that scales, or multiplies, some quantity. It is used to enlarge or reduce figures in geometry.

2.

FLASHCARD QUESTION

Front

If a shape is enlarged by a scale factor of 3, what happens to its dimensions?

Back

Each dimension of the shape is multiplied by 3, making the shape three times larger.

3.

FLASHCARD QUESTION

Front

What is the scale factor from a small fry to a large fry if the large fry is 3 times bigger?

Back

3

4.

FLASHCARD QUESTION

Front

Sara enlarged her shape by a scale factor of 4. If the original width was 8 cm, what is the new width?

Back

32 cm (8 cm x 4 = 32 cm).

5.

FLASHCARD QUESTION

Front

A rectangular garden is 45 ft wide and 70 ft long. If the width on a blueprint is 9 in, what is the scale factor?

Back

The scale factor is 1/5 (9 in is 1/5 of 45 ft).

6.

FLASHCARD QUESTION

Front

If a shape has a scale factor of 2, what is the new area compared to the original area?

Back

The new area is 4 times the original area (since area scales by the square of the scale factor).

7.

FLASHCARD QUESTION

Front

What is the scale factor if a shape is reduced from 10 cm to 5 cm?

Back

1/2

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