Semester 1 Gr 7 Quiz: Rates and Unit Rates (Les. 4-1 to 4-3)

1) (See #1 on quiz paper.)  What is the correct unit rate for "28 patients for 2 nurses?" 

• 28 patients / 2 nurses
• 1 nurse / 28 patients
• 14 patients / 1 nurse
• 14 patients / 2 nurses

2) (See #2 on quiz paper.) What is the correct unit rate for "5 quarts for every 2 pounds?"

• 5 quarts / 2 pounds
• 1 pound / 5 quarts
• 2.5 quarts / 1 pound
• 5 quarts / 1 pound

3) (See #3 on quiz paper.) What is the correct unit rate for "3 ounces for every 3/4 cup"?

• 4 ounces / 1 cup
• 3 ounces / 1 cup
• 3/4 ounces / 1 cup
• 4/3 ounce / 1 cup

4) (See #4 on quiz paper.) What is the value of "k" for each column?

• k = 1/3
• k = 3
• k = 9/3
• k = 12/4

5) (See #5 on quiz paper.) What is the value of "k" for each column?

• k = 1/6
• k = 6
• k = 2/12
• y = 1/6x

6) (See #6 on quiz paper.) Which of the following BEST describes this data?

• Yes, it's a proportional relationship because 50/2 = 25 and 75/3 = 25.
• Yes, it's a proportional relationship because all of the "k" values are equal to each other for every column.
• No, it's not a proportional relationship because not all the k values are the same for each column.
• No, it's not a proportional relationship because the table didn't include "1" as its starting number for the "Time" section.

7) (See #7 on quiz paper.) Which of the following BEST describes this data?

• Yes, it's a proportional relationship because it does NOT go through the origin (0, 0).
• Yes, it's a proportional relationship because all of the "k" values are equal to each other for every column.
• No, it's not a proportional relationship because not all the k values are the same for each column.
• No, it's not a proportional relationship because the table didn't include "1" as its starting number for the "Time" section.

8a) (See #8, Box A on quiz paper.)  What number should be filled in for Box A?

• $16
• $12
• $20
• $24

8b) (See #8, Box B on quiz paper.)  What number should be filled in for Box B?

• 12
• 10
• 16
• 20

8c) (See #8, Box C on quiz paper.)  What number should be filled in for Box C?

• 12
• 10
• 16
• 20