Scale, Scale Factor, Drawing, Model

Front

What is a scale in the context of maps?

Back

A scale is a ratio that compares a distance on a map to the actual distance it represents in the real world.

Tags

CCSS.7.G.A.1

Front

If a map has a scale of 1 cm to 10 km, how far is 5 cm on the map in real distance?

Back

50 km

Tags

CCSS.7.RP.A.2C

Front

What is a scale factor?

Back

A scale factor is a number that scales, or multiplies, some quantity. It is the ratio of a length in a scale drawing to the corresponding length in the original figure.

Tags

CCSS.7.G.A.1

Front

How do you calculate the actual distance using a map scale?

Back

Multiply the distance on the map by the scale factor.

Tags

CCSS.7.G.A.1

Front

What does a scale factor of 2:1 mean?

Back

It means the drawing is twice as large as the original object.

Tags

CCSS.7.G.A.1

Front

What is the scale factor if a model is 3 times larger than the original?

Back

3:1

Tags

CCSS.7.G.A.1

Front

If the scale factor is 1:1, what can you say about the model and the original?

Back

They are the same size.

Tags

CCSS.7.G.A.1

Front

What is the formula to find the scale factor between two similar figures?

Back

Scale Factor = Length of Image / Length of Original.

Tags

CCSS.7.G.A.1

Front

If a drawing is reduced by a scale factor of 1/2, what happens to the size of the drawing?

Back

The drawing becomes smaller.

Tags

CCSS.7.G.A.1

Front

What is the term for a drawing that is larger than the original?

Back

Enlargement.

Tags

CCSS.8.G.A.3