Name ______Date ______

6th Grade – Ratio and Proportion – Critical Point Assessment

1.  There are 6 guppies and 9 goldfish in the aquarium.
What is the ratio of goldfish to guppies? What fraction of the total fish are goldfish?
2.  The following ratio tables show the price of ice cream at two local convenience stores.
Fill in the values in both ratio tables.
Grab & Go
Number of Pints / Cost
2 / 8
5 / 20
Stop & Shop
Number of Pints / Cost
1 / 3
6
Which store provides the best value? Explain how you determined your answer.
3.  Plot the ratios for Stop & Shop (from question 2) as ordered pairs.
Ava has $20 and wants to buy 8 pints of ice cream from Stop & Shop to share with her friends. Is this possible? Use your graph to justify your reasoning.
4.  At Bridget’s Books, 3 hard cover books cost $24
How much would 5 books cost? Use two different strategies to solve this problem. At least one strategy should include a visual representation.
How many books could be purchased with $56?
Write an equation to express the cost of any number of books.
5.  Megan is making trail mix. The ratio of cups of almonds to cups of raisins is 3 to 2.
How many cups of raisins would be needed for 9 cups of almonds? / 6.  Selma bought 6 pounds of salmon at the grocery store for $42. What was the unit price?
7.  Raji paid $45 for a pair of sneakers on sale for 40% off the original price. How many dollars did he save from the original price? / 8.  On the blueprint for Mrs. Sampson’s house, the bathroom is 3 inches long and 2 inches wide and the living room is 5 inches long and 4 inches wide. If the actual bathroom is 12 feet long, what are the dimensions of the living room?