Proportions Word Problems

Front

What is a proportion?

Back

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

Tags

CCSS.7.RP.A.2A

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the two ratios and set the products equal to each other.

Tags

CCSS.7.RP.A.3

Front

What is the formula for finding the unit rate?

Back

The unit rate is found by dividing the quantity by the number of units, expressed as 'quantity per unit'.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If 3 apples cost $1.50, what is the cost of 1 apple?

Back

$0.50 per apple.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the relationship between ratios and proportions?

Back

Ratios compare two quantities, while proportions show that two ratios are equivalent.

Tags

CCSS.6.RP.A.3A

Front

How can you use proportions to solve word problems?

Back

You can set up a proportion based on the relationships described in the problem and solve for the unknown.

Tags

CCSS.7.RP.A.3

Front

If 14 children made 84 bracelets, how many bracelets does 1 child make?

Back

6 bracelets per child.

Tags

CCSS.3.OA.A.3

Front

If Jason practices karate for 18 hours over 3 weeks, how many hours does he practice per week?

Back

6 hours per week.

Tags

CCSS.3.OA.A.3

Front

What is the weight of a 360-gram chocolate bar in ounces?

Back

12.70 ounces.

Tags

CCSS.5.MD.A.1

Front

If Allison can sew 3 scarves in 75 minutes, how many scarves can she sew in 4 hours?

Back

9.6 scarves.

Tags

CCSS.6.RP.A.3B