Using a Proportion with a Word Problem! :)

Using a Proportion with a Word Problem! :)

Set Up the Proportion!

The labels on the top must match each other (books).

The labels on the bottom must match each other (hours).

Solve the Proportion!

Cross Multiply and Divide.

*Multiply the two numbers that are diagonal from each other.

*Divide by the number you did not use.

Multiple Choice

If a car can go 210 miles on 4 gallons of gas, how far can it go on 12 gallons of gas?

• 630 miles

• 2,520 miles

• 70 miles

Multiple Choice

A biologist counted 15 squirrels in 3 acres of forest. Based on that data, how many squirrels would be expected to inhabit a 275 acre forest?

• 4,125 squirrels

• 1, 375 squirrels

• 825 squirrels

Multiple Choice

If 3 oranges cost $1.75, how much would 20 oranges cost?

• $35.00 for 20 oranges

• $11.66 for 20 oranges

• $20.00 for 20 oranges

Multiple Choice

A runner burned 120 calories on a 1.6 km run. How many calories would they burn on a 5 km run?

• 490 calories

• 600 calories

• 375 calories

Multiple Choice

If you need 8 oz of chocolate chips to make 1.6 lbs of cookie dough, how many ounces of chocolate chips will you need to make 7 pounds of cookie dough?

• 35 oz

• 56 oz

• 43 oz

Poll

How do you feel about these types of proportions?

• I am so good at them I should teach the class! :)

• I am doing well with them.

• I am getting there...

• I am still struggling.

• What are proportions again?

Open Ended

Is all of your Math work from Quarter 3 done? GO CHECK!

You have 15 minutes to check and answer this question.