Quiz about 7.NS.3 AIR Items

Question 1

On Monday, the temperature at 10 a.m. at Sam's house was -6 degrees Fahrenheit. The temperature at 2 p.m. at Sam's house was 2 degrees Fahrenheit. Which statement about the change in temperature from 10 a.m. to 2 p.m. at Sam's house is true?

Accepted Answer

The temperature increased by 8 degrees Fahrenheit

Answer

The temperature decreased by 12 degrees Fahrenheit

Answer

The temperature decreased by 4 degrees Fahrenheit

Answer

The temperature increased by 3 degrees Fahrenheit

Question 2

What is the value of the expression for each value of 1/2(x+60)?

x=40

Accepted Answer

50

Answer

-10

Answer

10

Answer

80

Question 3

What is the value of the expression for each value of 1/2(x+60)?

x=-80

Accepted Answer

-10

Answer

10

Answer

50

Answer

80

Question 4

What is the value of the expression for each value of 1/2(x+60)?

x=100

Accepted Answer

80

Answer

-10

Answer

10

Answer

50

Question 5

What is the value of the expression for each value of 1/2(x+60)?

x=-40

Accepted Answer

10

Answer

-10

Answer

50

Answer

80

Question 6

Three classes at a junior high school raised money to buy new computers.

Ms. Moore's class raised $249.00

Ms. Aguilar's class raised $396.62 more than Ms. Moore's class

Mr. Barry's class raised $430.43 less than Ms. Aguilar's class.

What is the total amount of money raised by all three classes?

Accepted Answer

$1,109.81

Answer

$215.19

Answer

$464.19

Answer

$1,076.05

Question 7

As part of a science experiment, Sam measured the amount of rainfall in inches over the course of a week. A table of the measurements Sam collected is shown. What was the mean amount of rainfall, in inches, over the course of the week?

Accepted Answer

1 8/21

Answer

1 14/15

Answer

9 2/3

Answer

13 2/3

Question 8

Consider this expression.

$$\left[-\frac{1}{5}\ -\left(\frac{2}{3} ight) ight]\ imes\left(\frac{5}{6} ight)$$

What is the value of the expression?

Accepted Answer

$$-\frac{7}{18}$$

Answer

$$-\frac{34}{35}$$

Answer

$$\frac{13}{18}$$

Answer

$$\frac{34}{45}$$

Question 9

Coffee, tea, and pastries are sold at a coffee shop. Last week, 2/5 of the coffee shop's profits were from coffee sales and 2/3 of its profits were from tea sales. The rest of its profits were from pastry sales. What fraction of the coffee shop's total profits last week were from pastry sales?

Accepted Answer

4/15

Answer

1/15

Answer

2/15

Answer

11/15

Question 10

Which expression has a value of -22?

Accepted Answer

-5 *2 -12

Answer

8 - (-3) + 33 /(-3)

Answer

-3 + (-2) - (-8) + 1

Answer

-6 * 2 - (-15)

Question 11

In Fairbanks, Alaska, the temperature one day was -18 degrees Fahrenheit. On the same day, the temperature was 83 degrees higher in Honolulu, Hawaii. What was the temperature in Honolulu, Hawaii, on that day?

Accepted Answer

65

Answer

75

Answer

83

Answer

101

Question 12

A baker made two cakes of the same size.

At the end of the day, there was 2/3 of a chocolate cake left.

There was 5/6 of strawberry cake left.

The baker divided the remaining chocolate cake into 2 equal pieces and the remaining strawberry cake into 3 equal pieces.

Which cake flavor had larger pieces and by how much?

Accepted Answer

chocolate by 1/18 of a cake

Answer

chocolate by 1/6 of a cake

Answer

strawberry by 1/6 of a cake

Answer

strawberry by 1/18 of a cake

Question 13

Jasmine walked 1/2 mile to school. After school, she walked 1/3 mile to her aunt's house. Afterwards, she walked 5/6 mile home. If Jasmine walks the same path every day, Monday through Friday, how many miles does she walk in one week?

Accepted Answer

8 1/3

Answer

1 2/3

Answer

3 5/11

Answer

5 5/6

Question 14

A bottle contains 120 fluid ounces of laundry detergent. Which of the following is closest to the number of liters in 120 fluid ounces? (1 fluid ounce is approximately 0.0296 liter)

Accepted Answer

3.55 liters

Answer

4.05 liters

Answer

4.16 liters

Answer

4.47 liters

Question 15

Three friends own a landscaping business. The number of hours each friend spent on the same project is shown in the table. In total, they earned $850 for the job. The put 15% of the amount into a joint savings account for future expenses. They then divided the rest proportionally based on the number hours each worked. How much money did Shawn receive?

Accepted Answer

$209.53

Answer

$240.83

Answer

$283.48

Answer

$295.11

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