Ratio Language/Equivalent Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or a:b.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you write equivalent ratios?

Back

Equivalent ratios are ratios that express the same relationship between two quantities. For example, 2:3 and 4:6 are equivalent ratios.

Tags

CCSS.6.RP.A.3A

Front

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

Back

The ratio of sugar to flour is 2:3.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the formula to find an equivalent ratio?

Back

To find an equivalent ratio, multiply or divide both terms of the ratio by the same non-zero number.

Tags

CCSS.6.RP.A.3A

Front

How do you scale a recipe using ratios?

Back

To scale a recipe, multiply the ingredients by the same factor to maintain the ratio. For example, if you double a recipe that uses 2 eggs and 3 cups of flour, you would use 4 eggs and 6 cups of flour.

Front

What is the ratio of chocolate chips to flour in a recipe that uses 3 cups of flour and 2 cups of chocolate chips?

Back

The ratio of chocolate chips to flour is 2:3.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If 5 movie tickets cost $45, what is the cost of 1 ticket?

Back

The cost of 1 ticket is $9.

Tags

CCSS.6.RP.A.3B

Front

If a recipe requires 2 eggs for every 3 cups of flour, how many eggs are needed for 9 cups of flour?

Back

6 eggs are needed for 9 cups of flour.

Front

What is the relationship between the number of moons and suns if the ratio is 4:8?

Back

The relationship is that for every 4 moons, there are 8 suns, which simplifies to 1 moon for every 2 suns.

Front

How do you find the total cost of multiple items using ratios?

Back

To find the total cost, multiply the cost of one item by the number of items. For example, if one ticket costs $9, then 4 tickets cost $36.