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.

Front

What does 'proportion' mean in mathematics?

Back

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

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.

Front

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

Back

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.

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.

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.

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

Front

What does it mean if two ratios are equivalent?

Back

It means that they represent the same relationship between quantities.