Proportional Reasoning Practice

Front

What is proportional reasoning?

Back

Proportional reasoning is the ability to compare ratios and understand the relationship between quantities. It involves recognizing that two ratios are equivalent if they represent the same relationship.

Front

How do you find the unit rate?

Back

To find the unit rate, divide the total amount by the number of units. For example, if 15 hamburgers cost $75, the unit rate is $75 ÷ 15 = $5 per hamburger.

Front

If Mrs. Campbell knits 3 inches of a scarf per day, how many days will it take her to knit 24 inches?

Back

It will take her 8 days to knit 24 inches.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

Back

Front

How do you determine if two ratios are equivalent?

Back

Front

If a two-pound box of strawberries costs $5, how much does one pound cost?

Back

One pound costs $2.50.

Front

If it took 7 hours to mow 4 lawns, how many lawns can be mowed in 35 hours?

Back

20 lawns can be mowed in 35 hours.

Front

What is a proportion?

Back

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

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply and then divide to find the unknown value.