7th Grade Milestone Review - Solving Proportions

Front

What is a proportion?

Back

A proportion is when two ratios are equivalent and show the same value.

Front

If a couple rests for 25 minutes in 5 hours, how long will they rest in 8 hours?

Back

40 minutes

Front

If 13 out of 20 homes have a personal computer, how many homes would you expect to have a computer on a street with 60 homes?

Back

39 Homes

Front

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. If 5 cups of flour are used, how many cups of milk should be used to keep the proportions correct?

Back

2.5 cups milk

Front

If hamburger sells for $6 per 3 pounds, how much will 10 pounds cost?

Back

$20

Front

What is the formula to find a proportion?

Back

Cross-multiply the two ratios and set them equal to each other.

Front

If a recipe requires 2 cups of sugar for 4 cups of flour, how much sugar is needed for 10 cups of flour?

Back

5 cups of sugar

Front

What does it mean to solve a proportion?

Back

To find the unknown value that makes the two ratios equivalent.

Front

If 5 out of 8 students prefer chocolate ice cream, how many students out of 32 would prefer chocolate?

Back

20 students

Front

What is the relationship between ratios and proportions?

Back

Proportions are equations that state that two ratios are equal.