6th Grade Chapter 1 Ratios and Rates Review

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:b'.

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 the total number of students in a class if there are 8 boys and 12 girls?

Back

Add the number of boys and girls: 8 + 12 = 20 total students.

Front

What is the ratio of boys to total students if there are 8 boys and 12 girls?

Back

The ratio of boys to total students is 8:20.

Front

How can you find an equivalent ratio for 7:10?

Back

Multiply both the numerator and denominator by the same number. For example, 7*2:10*2 = 14:20.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.

Front

Calculate the unit rate if a plane travels 900 miles in 3 hours.

Back

The unit rate is 300 miles per hour (900 miles ÷ 3 hours).

Front

What is the value of the numerator in the equivalent ratio if the ratio is represented as 'd' and equals 36?

Back

The value of the numerator is 36.

Front

If a recipe calls for a ratio of 2:3 for sugar to flour, how much sugar is needed for 6 cups of flour?

Back

To maintain the ratio, you need 4 cups of sugar (2/3 of 6 cups).

Front

What is the simplest form of the ratio 12:16?

Back

The simplest form is 3:4 (dividing both by 4).