Quiz about 7th Grade Math STAAR REVIEW

Question 1

A study of 2,400 students in grades 6-8 found that 12 out of every 40 students has a pet fish. Based on the results of this study, how many students do NOT have a pet fish?

Accepted Answer

1680 students

Answer

640 Student

Answer

720 students

Answer

1620 Students

Answer

Not here

Question 2

The circle graph shows what Frank listened to while driving to work last month. Frank spent a total of 70 hours driving to work last month. How many more hours did he listen to podcasts than Spotify?

Accepted Answer

22.4 hours

Answer

9.1 hours

Answer

31.5 hours

Answer

18.2 hours

Answer

none of the above

Question 3

The spinner is spun 90 times. What is a reasonable prediction for the number of times the spinner will land on a green section?

Accepted Answer

30 times

Answer

15 times

Answer

20 times

Answer

25 times

Question 4

Which table contains only values that satisfy the equation y= 4x-2 ?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 5

Henry bought a new car for $22,568. The car had a sales tax of 4%. What is the sales tax for the car in dollars and cents?

Accepted Answer

$902.72

Answer

$865.21

Answer

$881.52

Answer

$924.83

Question 6

An equation is modeled. What value of x makes the equation true?

Accepted Answer

x= -3

Answer

x = 3

Answer

x = -9

Answer

x = 9

Question 7

The price of a laptop was reduced from $800 to $640. By what percentage was the price of the laptop reduced?

Accepted Answer

20%

Answer

18%

Answer

24%

Answer

80%

Question 8

Isaiah earns $3000 a month. The table shows his monthly budget. Which statement is NOT supported by the information in the table?

Accepted Answer

All of the above are NOT supported by the data

Answer

Isaiah spends 40% of his budget on Rent and Utilities.

Answer

Isaiah spends 30% of his budget on Other Expenses

Answer

Isaiah spends 20% of this budget on his Car Payments & Groceries

Question 9

The dimensions of a triangular prism are shown in the diagram. What is the volume of the triangular prism in cubic inches?

Accepted Answer

$$240\ in^3$$

Answer

$$142\ in3$$

Answer

$$120\ in^3$$

Answer

$$168\ in^3$$

Question 10

Kyle has a loan of $32,890. This loan has a simple interest rate of 8% per year. What is the amount of interest that Kyle will be charged on the loan at the end of one year?

Accepted Answer

$2631.20

Answer

$2642.40

Answer

$2654.50

Answer

$2661.60

Answer

$2674.80

Question 11

Erin used a semicircle, a rectangle, and a right triangle to form the figure shown. What is the best estimate of the area of the figure in square feet.

Accepted Answer

$$100\ ft^2$$

Answer

$$80\ ft^2$$

Answer

$$84\ ft^2$$

Answer

$$88\ ft^2$$

Answer

$$92\ ft^2$$

Question 12

Figure FGHI is similar to figure JKLM. Which proportion must be true?

Accepted Answer

$$\frac{FG}{JK}=\frac{GH}{KL}$$

Answer

$$\frac{FG}{LM}=\frac{GH}{JM}$$

Answer

$$\frac{FG}{LM}=\frac{GH}{KL}$$

Answer

$$\frac{FG}{JK}=\frac{GH}{JM}$$

Question 13

Cierra has 1 bag and 1 jar of marbles. The bag contains 6 yellow marbles, 4 blue marbles, 2 purple marbles, and 3 pink marbles. The jar contains 12 yellow marbles, 8 blue marbles, 4 purple marbles, and 6 pink marbles. If Cierra randomly selects 1 marble from the bag and 1 from the jar, what is the probability that she will select a pink marble from each?

Accepted Answer

$$\frac{1}{25}$$

Answer

$$\frac{2}{15}$$

Answer

$$\frac{1}{5}$$

Answer

$$\frac{1}{10}$$

Question 14

Doug has $800 in his checking account. He spends $40 each day out of the account. Which inequality can be used to find d , the number of days it will take until his account has less than $200 dollars in it?

Accepted Answer

800-40d < 200

Answer

40d-800 < 200

Answer

800+40d < 200

Answer

$$40d-800\le200$$

Answer

$$800-40d\le200$$

Question 15

Andria needs $$14\frac{1}{4}$$ feet of yarn for a knitting project. She has two pieces already. One piece of $$5\frac{1}{2}$$ feet long and the other is $$2\frac{3}{4}$$ feet long. How many more feet of yarn does she need?

Accepted Answer

6 feet

Answer

$$7\frac{1}{2}$$ feet

Answer

$$8\frac{1}{4}$$ feet

Answer

7 feet

Answer

$$6\frac{3}{4}$$ feet

Question 16

A pizza has a diameter of 14 inches. Which measurement is closest to the area of the pizza in square inches?

Accepted Answer

$$153.86\ in^2$$

Answer

$$136.44\ in^2$$

Answer

$$182.14\ in^2$$

Answer

$$608.62\ in^2$$

Answer

$$616.55\ in^2$$

Question 17

If x = -2, which inequality is true?

Accepted Answer

-4x - 2 < 10

Answer

5x + 4 < -6

Answer

3 - 2x > 7

Answer

-2 + 3x > -1

Question 18

The net of a triangular prism and its dimensions are shown in the diagram. What is the lateral surface area of the prism in square feet?

Accepted Answer

$$221\ ft^2$$

Answer

$$208\ ft^2$$

Answer

$$242\ ft^2$$

Answer

$$266\ ft^2$$

Answer

$$280\ ft^2$$

Question 19

Mr. McMarker had $120 to purchase school supplies for his class. He bought 52 packs of pencils and 14 calculators. Each pencil pack cost $1.20 and each calculator cost $2.05. How much money did Mr. McMarker have left over?

Accepted Answer

$28.90

Answer

$30.20

Answer

$32.40

Answer

$34.70

Answer

$36.30

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