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DO NOW
DO NOW
Solve (hint: cross-multiplication):
Solve (hint: cross-multiplication):
LEARNING TARGET
LEARNING TARGET
I can solve and apply proportions.
I can solve and apply proportions.
I DO
I DO
What is a proportion?
What is a proportion?
a proportion says that two ratios (or fractions) are equal
a proportion says that two ratios (or fractions) are equal
What can we use these for?
What can we use these for?
All kinds of stuff!
One gallon of gas costs $3. How much will 6 gallons cost?
One gallon of gas costs $3. How much will 6 gallons cost?
You make $12 working for 2 hours. How much money will you make working 20 hours?
You make $12 working for 2 hours. How much money will you make working 20 hours?
You bought 3 yards of fabric for $5. How much will 10 yards of fabric cost?
You bought 3 yards of fabric for $5. How much will 10 yards of fabric cost?
A map has a scale of 1 inch : 100 miles. The distance from here to Denver is 5 inches. How far away is Denver?
A map has a scale of 1 inch : 100 miles. The distance from here to Denver is 5 inches. How far away is Denver?
A recipe says you need 2 cups of milk for each cup of flour you use. How much milk do you need for 9 cups of flour?
A recipe says you need 2 cups of milk for each cup of flour you use. How much milk do you need for 9 cups of flour?
This year, we need 8 masks for each student to make it through the year. If there are 32 students, how many masks will we need?
This year, we need 8 masks for each student to make it through the year. If there are 32 students, how many masks will we need?
The coolest place in town charges $200 for a birthday party with 5 people. How much will it cost to invite 18 people to a birthday party?
The coolest place in town charges $200 for a birthday party with 5 people. How much will it cost to invite 18 people to a birthday party?
WE DO
WE DO
Let's get telepathic!
YOU DO
YOU DO
Exit ticket
Exit ticket
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