Ratios & Ratio Tables

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you write a ratio?

Back

Ratios can be written in three ways: as a fraction (a/b), with a colon (a:b), or with the word 'to' (a to b).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the terms and set the products equal to each other.

Tags

CCSS.7.RP.A.2C

Front

What is cross-multiplication?

Back

Cross-multiplication is a method used to solve proportions by multiplying the numerator of one fraction by the denominator of the other.

Tags

CCSS.7.RP.A.2B

Front

Back

c = 8.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

What is the missing number in the ratio table if the ratio is 3:4 and the first number is 72?

Back

The missing number is 96.

Front

If 1 quart of water requires 2 tablets of iodine, how many tablets are needed for 4 quarts?

Back

8 tablets.

Tags

CCSS.6.RP.A.3B

Front

What is a proportion?

Back

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

Tags

CCSS.7.RP.A.2A

Front

How can you find a missing value in a ratio table?

Back

You can find a missing value by using equivalent ratios or by setting up a proportion.