7.RP.3aDay 1 first day

• Objective: I can solve proportions.

Journal

• List as many fractions that you can that are equal to ½. Example: 2/4

• Try to list fractions that no one else at your table will think of.

Journal

• Compare fractions with your table. Who has the most unique fractions?

• Who in the class has the largest number?

Notes

• A proportion is two fractions that are equal to each other

Notes

• If we are missing one number we can figure it out.

• Work with your table to solve for the question mark. Be ready to explain your answer.

Notes

• What if it’s not an obvious answer?

• Work with your table to solve this proportion. Be ready to explain your answer.

Notes

• Proportions can be solved using our calculator.

Notes

Notes

• Instead of using a “?” we replace it with a letter, called a variable.

Notes

• Instead of using a “?” we replace it with a letter, called a variable.

• A variable is any letter that stands for an unknown number.

Notes

• Instead of using a “?” we replace it with a letter, called a variable.

• A variable is any letter that stands for an unknown number.

• Common letters are

Notes

Notes

7.RP.3aDay 1 second day

• Objective: I can solve story problems involving proportions.

Journal

• Solve the proportion.

• Write your own proportion. Exchange with your neighbor and solve their problem.

Review

𝑎8

=59

Review

𝑟2=74

Review

62=3𝑣

Quiz

816

=𝑥80

NotesDay 1 second day

• Katie and some friends went to buy fruit smoothies. They go to a health food store that advertises a sale of 2 fruit smoothies for $5. How much would 6 smoothies cost?

• Write a proportion and solve it.

Notes

• After 2 hours, the air temperature had risen 7. Write and solve a proportion to find the amount of time it will take for the temperature to rise another 13.

Notes

Olivia bought 6 containers of yogurt for $7.68. How much would Olivia pay for 10 yogurts?

Notes

• Eugene bought six packages of blueberries for $18. How many packages can he buy for $6.00?

Notes

• If you can buy 12 seedless watermelons for $24, how many can you buy for $8?

Notes

• A painting is 3 inches tall and 4 inches wide. If it is enlarged to a height of 12 inches, then how wide would it be?

Notes

• Maria bought 15 Granny Smith apples for $9. How many can she buy with $108?