Ratios and Proportions Study Guide

Front

A unit rate has a denominator of ______?

Back

1, one

Front

At a thrift store, for every 8 short sleeve shirts there were 2 long sleeve shirts. What is the ratio of long sleeve shirts to short sleeve shirts?

Back

2:8

Front

Isaac loves rocks! He has 6 pieces of granite, 3 pieces of marble, 14 pieces of sandstone, and 1 piece of slate. What is the ratio of pieces of sandstone and slate to Isaac's total collection?

Back

15 to 24

Front

Sarah reads 240 pages in 4 hours. How many pages can she read in 1 minute?

Back

1 page per 1 minute

Front

Are the ratios 18:9 and 2:1 equivalent?

Back

Yes

Front

What is a ratio?

Back

A comparison of two quantities by division.

Front

What is a proportion?

Back

An equation that states that two ratios are equal.

Front

How do you simplify a ratio?

Back

Divide both terms of the ratio by their greatest common factor.

Front

What is the unit rate of 60 miles in 2 hours?

Back

30 miles per hour.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

2:3