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

What is a ratio table?

Back

A ratio table is a table that displays pairs of numbers that form equivalent ratios, helping to visualize the relationship between the quantities.

Front

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

Back

To find a missing value, you can set up a proportion using the known values and solve for the unknown.

Front

What does it mean to solve a proportion?

Back

Solving a proportion means finding the value of a variable that makes two ratios equivalent.

Front

If the ratio is 2:6, what is the simplified form?

Back

The simplified form of the ratio 2:6 is 1:3.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the cross-multiplication method?

Back

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

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CCSS.7.RP.A.3

Front

Back

x = 35.

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CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

If a ratio is 3:5, what is the value of x if the other part is 15?

Back

x = 9 (because 3/5 = x/15).

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you convert a ratio to a percentage?

Back

To convert a ratio to a percentage, divide the first number by the second number and multiply by 100.