Proportion Word Problems and Scale Drawings

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It expresses how much of one quantity corresponds to one unit of another quantity.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total amount of one quantity by the total amount of the other quantity.

Front

If you spend $40 on 5 pounds of concrete, what is the unit rate in dollars per pound?

Back

$8 per pound.

Front

What is a rate table?

Back

A rate table is a chart that displays the relationship between two quantities, showing how one quantity changes in relation to another.

Front

What is the missing number in the rate table if the options are 75, 77, 88, 85?

Back

88.

Front

What does 'words per minute' measure?

Back

'Words per minute' measures the speed at which a person can type or read.

Front

If 80 words per minute is acceptable, how many words can be typed in 30 minutes?

Back

2400 words.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How can you find a missing value in a proportion?

Back

Cross-multiply the known values and then solve for the unknown value.

Front

Sasha jarred 25 liters of jam after 5 days. How much jam did she jar if she spent 7 days making jam?

Back

35 jars.