6th Grade Unit 2 Introducing 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.

Front

How do you solve a ratio problem?

Back

To solve a ratio problem, identify the relationship between the quantities, set up a proportion if necessary, and solve for the unknown.

Front

If a recipe calls for 3 scoops of lemon powder for every 5 cups of water, how much water is needed for 15 scoops?

Back

25 cups of water.

Front

What is the formula to find the cost of multiple items based on a unit price?

Back

Cost = (Number of items) x (Cost per item).

Front

If 5 apples cost $2.75, how much does one apple cost?

Back

One apple costs $0.55.

Front

If Shaun's favorite shade of pink uses a ratio of 4 cups of white for 3 cups of red, how many cups of red are needed for 28 cups of pink?

Back

12 cups of red.

Front

What is the unit rate?

Back

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

Front

How do you find the unit rate from a ratio?

Back

To find the unit rate, divide both quantities in the ratio by the same number to simplify it to a ratio of 1.

Front

If Zayd ran 8 kilometers in 20 minutes, what is his speed in kilometers per minute?

Back

Zayd's speed is 0.4 kilometers per minute.

Front

If Saide ran 2 kilometers in 5 minutes, what is her speed in kilometers per minute?

Back

Saide's speed is 0.4 kilometers per minute.