Solving Ratio Word Problems

Find the unit rate for 10 apples that cost $2.00

• $20.00 per apple

• $0.20 per apple

• $0.50 per apple

When solving a proportion the first step is

• divide

• write a word label

• solve for the variable

What does the relationship between the given quantities represent in proportions word problems?

• The difference between the quantities

• The sum of the quantities

• The ratio between the quantities

• The product of the quantities

What are the steps involved in solving proportions word problems?

• Addition and subtraction

• Multiplication and division

• Graphing and interpolation

• Exponents and radicals

If 5 books cost $25, how much would 8 books cost?

• $48

• $32

• $40

• $56

Why is it important to set up proportions accurately in word problems?

• To make fractions

• To take your time

• To impress your teacher

• To align the matching units

A recipe calls for 2 cups of flour to make 24 cookies. How many cups of flour are needed to make 36 cookies?

• 5 cups

• 3 cups

• 2.5 cups

• 4 cups

A proportion is when....

• two ratios are set to be equal

• one ratio is bigger than the other

• the ratio cannot be solved

• we find the unit price

How can we identify the unknown in a proportion? (Check all the right answers)

• using a variable, like x or y

• putting a box in the place of the unknown

• putting a question mark in place of the unknown

• putting the number 10 to hold the place

Solve the proportion: If there are 10 students in one class, there would be _________ students in 5 classes.

• 5

• 50

• 10

• 55