Equivalent Ratios

Mrs. Shelly paid $3 for 6 muffins. If Mrs. Kloske paid $9 how many muffins did she buy?  

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CCSS.3.OA.A.3

To disinfect 1 quart of stream water to make it drinkable, you need to add 2 tablets of a cleaning solution. How many tablets do you need to disinfect 4 quarts?

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CCSS.6.RP.A.3B

Which of the following are equivalent to 5:4 (Select all that apply)

• 25:20

• 10:12

• 15:12

• 10:8

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CCSS.6.RP.A.3A

What is C?

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CCSS.5.OA.B.3

Which of the following are equivalent to 5:4

• 25:20

• 10:12

• 15:12

• 10:8

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CCSS.6.RP.A.3A

Select ALL the ratios that are equivalent to 16 : 6

• 3 to 8

• 32 : 12

• 4 to 2

• 8 to 3

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CCSS.6.RP.A.3A

Three concert tickets cost $45. If the tickets cost the same amount what is the cost of 12 tickets?

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CCSS.6.RP.A.3B

Three smoothies cost $9.75. How much do nine smoothies cost?

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CCSS.6.NS.B.3

Terry and Carrie were eatting at Rosie's and both ordered one omelet with a side of potatoes. Carrie said "Hazzah! We might have ordered the same one omlet, but I was gifted with more potatoes. 'Tis a marvelous day!" Terry replied, "Affimrative, this appears to be true! The ratio of omelet to potatoes seems to be 37:1."

Was Terry correct in what the ratio of omlet to potatoes was?

• Yes, Terry was correct.

• No, Terry was incorrect.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Mr. Lazz and Mrs. Milligan both had to refuel their cars at the gas station on the way to school this morning. Mr. Lazz spent $52 to fill up his 16-gallon gas tank, while Mrs. Milligan spent $64 to fill up her 18-gallon gas tank.

Mr. Lazz's students know that if these are equivilant ratios (price:gallon) then Mr. Lazz and Mrs. Milligan probably stopped at the same gas station since they paid the same cost. Did Mr. Lazz and Mrs. Milligan stop at the same gas station or not?

• No, these are not equivalent ratios so they must have paid different prices at diffrent gas stations.

• Yes, Mr. Lazz and Mrs. Milligan paid the same amount per gallon. I know this because 52:16 = 64:18. This means they stopped at the same gas station on their way to school.

• These might be equivilant ratios, but we dont have enough information to know for sure.

Tags

CCSS.6.RP.A.3A