Scale Drawings and Proportions

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object or area that is proportionally reduced or enlarged to fit a specific size, maintaining the same ratios as the original.

Tags

CCSS.7.G.A.1

Front

What does 'proportion' mean in mathematics?

Back

A proportion is an equation that states that two ratios are equal.

Tags

CCSS.7.RP.A.2B

Front

How do you set up a proportion to find a missing value?

Back

You can set up a proportion by creating a fraction from the known values and setting it equal to a fraction with the unknown value.

Tags

CCSS.7.RP.A.3

Front

If 2 inches on a map represents 35 miles, how do you find the distance on the map for 315 miles?

Back

Tags

CCSS.7.RP.A.3

Front

What is the scale of a map?

Back

The scale of a map is the ratio of a distance on the map to the actual distance it represents.

Tags

CCSS.7.RP.A.2C

Front

How do you convert inches on a map to actual miles?

Back

Multiply the number of inches by the scale factor to find the actual distance in miles.

Tags

CCSS.7.RP.A.2C

Front

If there are 4 milk chocolates for every 2 dark chocolates, what is the ratio of milk to dark chocolates?

Back

The ratio of milk chocolates to dark chocolates is 4:2, which simplifies to 2:1.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the total number of chocolates if you know the number of dark chocolates?

Back

Front

What is the actual distance if the map shows 1 3/4 inches and the scale is 1 inch = 100 miles?

Back

Tags

CCSS.6.RP.A.3B

Front

What does it mean if two ratios are equivalent?

Back

It means that they represent the same relationship between quantities.

Tags

CCSS.6.RP.A.3A