Solving Ratio Word Problems

This video tutorial covers solving ratio word problems. It begins with an introduction to unit rates and complex fractions, followed by a series of practical examples. These include calculating ratios in various contexts such as geometry class, sweets distribution, cooking recipes, fuel efficiency, and costume making. Each problem is solved step-by-step, demonstrating how to set up and solve ratio equations.

What is a unit rate?

• A rate with a unit of 100 on the bottom

• A rate with one unit on the bottom

• A rate with a unit of 10 on the bottom

• A rate with no units on the bottom

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is a complex fraction?

• A fraction with a negative number

• A fraction with a whole number

• A fraction within a fraction

• A fraction with a decimal

In a geometry class, the girl to boy ratio is 9 to 4. If there are 20 boys, how many girls are there?

• 40

• 36

• 45

• 50

If the ratio of girls to boys is 9 to 4, what is the ratio of boys to girls?

• 2 to 1

• 1 to 2

• 9 to 4

• 4 to 9

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

In a bag of red and green sweets, the ratio of red sweets to green sweets is 3 to 4. If there are 120 green sweets, how many red sweets are there?

• 100

• 110

• 80

• 90

In a bag of sweets, if the ratio of red to green sweets is 3 to 4, what is the ratio of green to red sweets?

• 4 to 3

• 3 to 4

• 2 to 1

• 1 to 2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A recipe uses 5 cups of flour for every 2 cups of sugar. If you have 8 cups of flour, how much sugar do you need?

• 3.2 cups

• 4 cups

• 3 cups

• 2.5 cups

Tags

CCSS.6.RP.A.3B

If a recipe uses 5 cups of flour for every 2 cups of sugar, what is the ratio of sugar to flour?

• 2 to 1

• 5 to 2

• 2 to 5

• 1 to 2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

An automobile travels 176 miles on 8 gallons of gas. How many miles can it travel on 14 gallons of gas?

• 308 miles

• 320 miles

• 330 miles

• 340 miles

Tags

CCSS.6.RP.A.3B

It takes 16 yards of material to make 3 costumes. How many yards of material are needed to make 8 costumes?

• 40.7 yards

• 42.7 yards

• 46.7 yards

• 44.7 yards

Tags

CCSS.6.RP.A.3B