Ratio and Unit Rate Review!

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one. For example, if you earn $200 for 8 hours of work, the unit rate is $25 per hour.

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How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total amount by the number of units. For example, if Elijah earns $200 for 8 hours, the unit rate is $200 ÷ 8 = $25 per hour.

Front

What is a ratio?

Back

A ratio is a relationship between two quantities, showing how many times one value contains or is contained within the other. It can be expressed in different forms, such as 2:3 or 2/3.

Front

How do you write a ratio?

Back

A ratio can be written in three ways: using the word 'to' (e.g., 2 to 3), using a colon (e.g., 2:3), or as a fraction (e.g., 2/3).

Front

What is the ratio of red to yellow marbles if there are 2 red and 5 yellow?

Back

The ratio of red to yellow marbles is 2:5.

Front

If there are 10 dimes and 8 quarters, what is the ratio of quarters to dimes?

Back

The ratio of quarters to dimes is 8:10, which simplifies to 4:5.

Front

How do you find the price per item?

Back

To find the price per item, divide the total cost by the number of items. For example, if John spent $36 on 4 basketballs, the price per basketball is $36 ÷ 4 = $9.

Front

What is the ratio of triangles to squares if there are 4 triangles and 3 squares?

Back

The ratio of triangles to squares is 4:3.

Front

What does it mean if a ratio is simplified?

Back

A simplified ratio means that the numbers in the ratio have been reduced to their smallest whole number form. For example, the ratio 8:12 simplifies to 2:3.

Front

How can ratios be used in real life?

Back

Ratios can be used in real life to compare quantities, such as recipes (ingredients), speed (distance/time), and financial situations (income/expenses).