7H Ratios and 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.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they can be simplified to the same fraction.

Front

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

Back

To find a missing value in a ratio table, use equivalent ratios to set up a proportion and solve for the unknown.

Front

What is the ratio of 6 muffins to 18 muffins?

Back

The ratio is 1:3, which means for every 1 muffin, there are 3 muffins.

Front

If Mrs. Shelly paid $3 for 6 muffins, what is the cost per muffin?

Back

The cost per muffin is $0.50.

Front

What is the value of C in the ratio table if the ratio is 4:12?

Back

C is 12, as it maintains the equivalent ratio of 1:3.

Front

How can you express the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

The ratio can be expressed as 4 red apples to 3 green apples.

Front

What is a ratio table?

Back

A ratio table is a table that displays pairs of numbers that form equivalent ratios.

Front

If the ratio of boys to girls in a class is 2:3, how many boys are there if there are 15 girls?

Back

There are 10 boys, as the ratio can be scaled up to maintain the same relationship.

Front

What is the first step to determine if two ratios are equivalent?

Back

The first step is to cross-multiply the two ratios and compare the products.