Unit 1 Review - Scale Copies and Drawings

Front

What does a scale of 1 cm to 2.25 km mean?

Back

It means that every 1 centimeter on the map represents 2.25 kilometers in reality.

Front

How do you calculate the actual distance represented by a distance on a map?

Back

Multiply the distance on the map by the scale factor.

Front

If a map scale is 1 cm to 15 km, what is the actual distance for 30 cm on the map?

Back

450 km.

Front

What is a scaled copy?

Back

A scaled copy is a figure that is the same shape as another figure but is a different size, created by multiplying the dimensions by a scale factor.

Front

How do you find the distance on a map if you know the actual distance and the scale?

Back

Divide the actual distance by the scale factor.

Front

If a polygon is scaled by a factor of 1/2, how do you find the new length of a side?

Back

Multiply the original length by 1/2.

Front

What is the scale factor in the example where 1 cm represents 25 km?

Back

The scale factor is 25 km per 1 cm.

Front

If the distance from Tampa to Miami is 450 km and the scale is 1 cm to 25 km, how far apart are they on the map?

Back

18 cm.

Front

What is the purpose of using a scale on a map?

Back

To represent large distances in a manageable way.

Front

If a map scale is 1 cm to 2.25 km, how far is 9 km on the map?

Back

4 cm.