Ratios & Ratio Tables

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, often expressed as 'a:b' or 'a/b'.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the terms and then isolate the variable.

Tags

CCSS.6.EE.B.7

Front

What is a ratio table?

Back

A ratio table is a table that shows equivalent ratios, helping to visualize the relationship between two quantities.

Front

If the ratio of a to b is 2:3, what is the value of b if a = 10?

Back

b = 15, because 10 is 2/5 of 2, so 3/5 of 3 is 15.

Front

What does it mean if two ratios are equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities.

Tags

CCSS.6.RP.A.3A

Front

Back

x = 5.

Tags

CCSS.7.RP.A.3

Front

What is the missing value in the ratio table if the ratio is 2:6?

Back

The missing value is 30, as you multiply by 3.

Front

If a ratio is 4:5, what is the equivalent ratio if both terms are multiplied by 2?

Back

The equivalent ratio is 8:10.

Tags

CCSS.6.RP.A.3A

Front

Back

c = 8.

Tags

CCSS.7.RP.A.2C

Front

How do you find missing values in a ratio table?

Back

You can find missing values by using equivalent ratios and cross-multiplication.