Quiz about 7th Grade SC Ready Review

Question 1

What value of y makes this proportion true?

$$\frac{15}{35}=\frac{y}{84}$$

Accepted Answer

y = 36

Answer

y = 21

Answer

y = 28

Answer

y = 49

Question 2

Nina types 126 words in 3 minutes. Which equation shows the relationship between the number of words, w, and the time, in minutes, m, that she types?

Accepted Answer

w = 42m

Answer

w = 3m

Answer

w = 126m

Answer

w = 378m

Question 3

The function table shows the relationship between the cost and the number of ham sandwiches purchased at a deli. Which equation shows the relationship between the cost and the number of sandwiches purchased?

Accepted Answer

C = 4n

Answer

C = 2n

Answer

C = 5n

Answer

C = 8n

Question 4

A warehouse 25 feet tall casts a shadow that is 15 feet long. At the same time of day, how long is the shadow cast by an apartment building that is 90 feet tall?

Accepted Answer

54 ft

Answer

57 ft

Answer

60 ft

Answer

66 ft

Question 5

Cynthia wants to construct a triangle with angles measuring 34 degrees, 21 degrees, and 125 degrees. Which best describes a triangle with these angle measures?

Accepted Answer

ambiguously defined

Answer

nonexistent

Answer

a unique, acute triangle

Answer

a unique, obtuse triangle

Question 6

The prism below is sliced by a plane parallel to its base. What is the shape of the cross section?

Accepted Answer

rectangle

Answer

cube

Answer

trapezoid

Answer

triangle

Question 7

A circular pond has a diameter of 4.5 feet. Which is closest to the circumference of the pond?

Accepted Answer

14.13 ft

Answer

7.07 ft

Answer

28.26 ft

Answer

63.59 ft

Question 8

Mr. Brooks is buying a TV set for $850. The sales tax is 6%. What will be the total amount he will pay for the TV set after sales tax is included?

Accepted Answer

$901

Answer

$799

Answer

$861

Answer

$1,360

Question 9

The temperature on Mars may reach a high of $$70\degree F$$ at the equator in the summer. It may reach a low of $$-225\degree F$$ at the poles. Which expression gives the difference between those two temperatures?

Accepted Answer

$$70\degree F-\ \left(-225\degree F\right)$$

Answer

$$225\degree F-70\degree F$$

Answer

$$-70\degree F+225\degree F$$

Answer

$$70\degree F-225\degree F$$

Question 10

Which fraction can be expressed as a terminating decimal?

Accepted Answer

$$\frac{7}{8}$$

Answer

$$\frac{1}{3}$$

Answer

$$\frac{2}{9}$$

Answer

$$\frac{1}{7}$$

Question 11

At a school dance, $$\frac{3}{8}$$ of the students were seventh graders. Which decimal is equivalent to $$\frac{3}{8}$$ ?

Accepted Answer

0.375

Answer

0.38

Answer

3.75

Answer

3.8

Question 12

What is the sum of $$-35+12$$ ?

Accepted Answer

$$-23$$

Answer

$$-47$$

Answer

$$23$$

Answer

$$47$$

Question 13

There are 180 students registered in a soccer camp. Of those registered, 35% are seventh graders. How many of the students registered are in the seventh grade?

Accepted Answer

63

Answer

54

Answer

117

Answer

145

Question 14

Divide.

$$-448\div28=$$

Accepted Answer

$$-16$$

Answer

$$-15$$

Answer

$$15$$

Answer

$$16$$

Question 15

Subtract.

$$\frac{7}{8}-\frac{2}{3}=$$

Accepted Answer

$$\frac{5}{24}$$

Answer

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

Answer

$$\frac{9}{11}$$

Answer

$$\frac{9}{24}$$

Question 16

Ramon drove 145 miles in 2.5 hours. What was his speed in miles per hour?

Accepted Answer

58 mph

Answer

48 mph

Answer

52 mph

Answer

362.5 mph

Question 17

A recipe for applesauce calls for $$\frac{1}{3}$$ cup of honey. The recipe makes 8 servings. How many cups of honey are needed to make 20 servings?

Accepted Answer

$$\frac{5}{6}c$$

Answer

$$1\ \frac{1}{6}c$$

Answer

$$1\ \frac{1}{3}c$$

Answer

$$2\ \frac{2}{3}c$$

Question 18

It takes Bill $$\frac{1}{10}hour$$ to walk a $$\frac{1}{6}mile$$ park loop, What is Bill's unit rate, in miles per hour?

Accepted Answer

$$1\ \frac{2}{3}mph$$

Answer

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

Answer

$$6\ mph$$

Answer

$$60\ mph$$

Question 19

Brad sold 5 times as many raffle tickets as Doug. They sold 120 raffle tickets in all. Which equation can be used to find how many tickets t, Doug sold?

Accepted Answer

5t + t = 120

Answer

5t - t = 120

Answer

5t = 120

Answer

$$\frac{t}{5}=\ 120$$

Question 20

Which is equivalent to the expression below?

$$8x+4x+y+3y$$

Select all that apply.

Accepted Answer

$$4\left(3x+y\right)$$

Accepted Answer

$$2\left(6x+2y\right)$$

Answer

$$3\left(4x+y\right)$$

Answer

$$2\left(6x+y\right)$$

Question 21

What is the value of the expression below when $$n=12$$ and $$p=2$$ ?

$$\frac{n}{3}-1+p$$

Accepted Answer

5

Answer

6

Answer

$$12\ \frac{1}{3}$$

Answer

$$12\ \frac{2}{3}$$

Question 22

At the school book fair, the number of books sold on Tuesday was 10 less than half the number sold on Monday. Let $$b$$ represent the number of books sold on Monday. Which expression represents the total number of books sold on Tuesday?

Accepted Answer

$$\frac{b}{2}-10$$

Answer

$$2b-10$$

Answer

$$10-\frac{b}{2}$$

Answer

$$10-2b$$

Question 23

Troy is at most 5 years older than 3 times Levi's age. If Troy is 29 years old, which inequality best represents $$x$$ , Levi's age?

Accepted Answer

$$3x+5\le29$$

Answer

$$3x+5<29$$

Answer

$$3x+5>29$$

Answer

$$3x+5\ge29$$

Question 24

Julie walked 8% more miles this week than Andy walked. If Andy walked $$m$$ miles, which expression represents how far Julie walked?

Accepted Answer

$$1.08m$$

Answer

$$0.08m$$

Answer

$$0.8m$$

Answer

$$1.8m$$

Question 25

Mr. Weston has 4 boxes of pencils and 7 single pencils. In all, he has 79 pencils. How many pencils are in a box?

Accepted Answer

18

Answer

9

Answer

13

Answer

16

Question 26

Solve for $$x$$ .

$$2x-7=9$$

Accepted Answer

$$x=8$$

Answer

$$x=1$$

Answer

$$x=3\ \frac{1}{2}$$

Answer

$$x=4\ \frac{1}{2}$$

Question 27

The blacktop at the park is 30 feet wide. The blacktop is 6 feet longer than it is wide. What is the area of the blacktop?

Accepted Answer

$$1,080ft^2$$

Answer

$$3,240ft^2$$

Answer

$$6,480ft^2$$

Answer

$$9,720ft^2$$

Question 28

What is the volume of this rectangular prism?

Accepted Answer

$$42in^3$$

Answer

$$21in^3$$

Answer

$$41in^3$$

Answer

$$82in^3$$

Question 29

Kerri conducted an experiment with a number cube. The table shows the number of times that each number landed.

For which number below did the experimental probability equal the theoretical probability?

Accepted Answer

1

Answer

3

Answer

4

Answer

5

Question 30

Jules wants to know which professional baseball player is most popular among the 300 students at his school. Which is the most representative and reasonable sample for him to survey?

Accepted Answer

data collected from a sample of every 20th student who arrives at school one day

Answer

data collected from a survey of every student at his school

Answer

data collected from a sample of every student in his math class

Answer

data collected from a sample of every student on a school sports team

Question 31

The box plot shows the heigts of children who attend a library story time.

Which statement is not true about the data?

Accepted Answer

The interquartile range of the heights is 4 inches.

Answer

The range of the heights is 17 inches.

Answer

The median height of the children is 34 inches.

Answer

About 25% of the children are 30 inches or shorter.

Question 32

The dot plot shows the number of miles Delia ran per week for 10 weeks. The data are a representative sample of the number of miles Delia runs throughout the year.

Which best represents the mean number of miles Delia runs per week throughout the year?

Accepted Answer

14.6

Answer

14

Answer

14.5

Answer

15

Question 33

The stem-and-leaf plots show the number of DVD's sold at two different stores during one month.

Which of the following statements about the median number of DVD's sold is true?

Accepted Answer

The median for Store A is 2 less than the median for Store B.

Answer

The median for Store A is the same as the median for Store B.

Answer

The median for Store A is 1 more than the median for Store B.

Answer

The median for Store A is 3 less than the median for Store B.

Question 34

Mark will roll two number cubes. What is the probability that he will roll a sum of 6?

Accepted Answer

$$\frac{5}{36}$$

Answer

$$\frac{1}{36}$$

Answer

$$\frac{1}{6}$$

Answer

$$\frac{5}{6}$$

Question 35

Gemma practiced the piano 5 days last week. The list below shows the number of minutes she practiced each day.

20, 25, 30, 20, 30

What is the mean absolute deviation in Gemma's practice times?

Accepted Answer

4 minutes

Answer

8 minutes

Answer

12 minutes

Answer

25 minutes

Question 36

The table shows the results of two surveys Adam took to find out how many hours of sleep seventh-grade students at his school get on a typical school night.

Based on the sample data, which of the following is most likely to be the closest to the mean number of hours of sleep seventh-grade students at Adam's school get?

Accepted Answer

7.75 hours

Answer

7 hours

Answer

8 hours

Answer

8.25 hours

Question 37

A computer that originally cost $899 is on sale for 15% off. What is the sale price of the computer?

Accepted Answer

$764.15

Answer

$134.85

Answer

$884.00

Answer

$1,033.85

Question 38

Val scored 85% on a test with 60 multiple-choice problems. How many problems did Val answer correctly?

Accepted Answer

51

Answer

45

Answer

33

Answer

25

Question 39

The temperature on Mars may reach a high of $$70\degree F$$ at the equator in the summer. It may reach a low of $$-225\degree F$$ at the poles. Which expression gives the difference between those two temperatures?

Accepted Answer

$$70\degree F-\ \left(-225\degree F\right)$$

Answer

$$225\degree F-70\degree F$$

Answer

$$-70\degree F+225\degree F$$

Answer

$$70\degree F-225\degree F$$

Question 40

Which fraction can be expressed as a terminating decimal?

Accepted Answer

$$\frac{7}{8}$$

Answer

$$\frac{1}{3}$$

Answer

$$\frac{2}{9}$$

Answer

$$\frac{1}{7}$$

Question 41

Ms. Peters said that $$\frac{5}{8}$$ of her dance students prefer ballet. Which percent is equivalent to $$\frac{5}{8}$$ ?

Accepted Answer

62.5%

Answer

58%

Answer

580%

Answer

625%

Question 42

What is the sum of $$63+\left(-81\right)$$ ?

Accepted Answer

-18

Answer

-144

Answer

18

Answer

144

Question 43

Divide.

$$-960\div\left(-8\right)=$$

Accepted Answer

120

Answer

-968

Answer

-120

Answer

12

Question 44

Subtract.

$$2\ \frac{4}{5}-1\ \frac{1}{2}=$$

Accepted Answer

$$1\ \frac{3}{10}$$

Answer

$$6\ \frac{1}{3}$$

Answer

$$2\ \frac{3}{5}$$

Answer

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

Question 45

A delivery truck traveled 133 miles in 3.5 hours. What was the average speed of the delivery truck in miles per hour?

Accepted Answer

38 mph

Answer

33 mph

Answer

35 mph

Answer

43 mph

Question 46

What value of $$x$$ makes this proportion true?

$$\frac{120}{165}=\frac{x}{11}$$

Accepted Answer

8

Answer

9

Answer

10

Answer

12

Question 47

A recipe for whole grain rolls calls for $$\frac{3}{4}c$$ of rye flour. The recipe makes 6 rolls. How many cups or rye flour are needed to make 32 rolls?

Accepted Answer

$$4\ c$$

Answer

$$3\ \frac{1}{4}c$$

Answer

$$4\ \frac{3}{4}c$$

Answer

$$8\ c$$

Question 48

It takes Joaquin $$\frac{1}{5}$$ hour to hike $$\frac{1}{4}$$ mile. What is Joaquin's unit rate, in miles per hour?

Accepted Answer

$$1\ \frac{1}{4}mph$$

Answer

$$\frac{1}{20}mph$$

Answer

$$2\ mph$$

Answer

$$20\ mph$$

Question 49

What value of $$n$$ makes this proportion true?

$$\frac{4.5}{n}=\frac{27}{37.8}$$

Accepted Answer

$$n=6.3$$

Answer

$$n=3.2$$

Answer

$$n=10.8$$

Answer

$$n=22.5$$

Question 50

A candle crafter packs 180 candles in 5 boxes. Each box holds the same number of candles. Which equation shows the relationship between the number of boxes, $$b$$ , and the number of candles, $$n$$ ?

Accepted Answer

$$n=36b$$

Answer

$$n=5b$$

Answer

$$n=24b$$

Answer

$$n=900b$$

Question 51

The function table shows the relationship between the height and the age in weeks of a plant.

Which equation shows the relationship between the height and age of the plant?

Accepted Answer

$$h=3w$$

Answer

$$h=w+3$$

Answer

$$h=\frac{1}{3}w$$

Answer

$$h=5w$$

Question 52

Sarvenanda saved $$\frac{3}{5}$$ of the money he earned doing yard work. He saved $120 in all. Which equation can be used to find out how much money, $$m$$ , he earned doing yard work?

Accepted Answer

$$\frac{3}{5}m=120$$

Answer

$$m-\frac{3}{5}=120$$

Answer

$$\frac{3}{5}+m=120$$

Answer

$$m\div\frac{3}{5}=120$$

Question 53

Which is equivalent to the expression below?

$$4x+2x-2y-y$$

Accepted Answer

$$3\left(2x-y\right)$$

Answer

$$-6\left(x+y\right)$$

Answer

$$-3\left(2x+y\right)$$

Answer

$$6\left(x-y\right)$$

Question 54

What is the value of the expression below when $$a=3$$ and $$b=7$$ ?

$$a^2b-2b$$

Accepted Answer

49

Answer

28

Answer

33

Answer

54

Question 55

Dora found 6 less than 3 times the number of shells that Tess found at the beach. Let $$s$$ represent the number of shells that Tess found. Which expression represents the number of shells that Dora found?

Accepted Answer

$$3s-6$$

Answer

$$3s+6$$

Answer

$$6-3s$$

Answer

$$3+6s$$

Question 56

Cicely has $30 to spend on art supplies. She wants to buy as many pastels as possible after buying a sketchbook that costs $6. The pastels cost at most $4 each. What is the greatest number of pastels she can buy?

Accepted Answer

6

Answer

4

Answer

5

Answer

7

Question 57

Dennis sold his skateboard for 15% more that he paid for it. If Dennis paid $$d$$ dollars for the skateboard, which expression represents how much he sold it for?

Accepted Answer

$$1.15d$$

Answer

$$0.15d$$

Answer

$$1.5d$$

Answer

$$1.55d$$

Question 58

The cafeteria has 4 cases of tuna and 9 single cans of tuna. In all, there are 65 cans of tuna. How many cans of tuna are in a case?

Accepted Answer

14

Answer

5

Answer

13

Answer

16

Question 59

Solve for $$x$$ .

$$\frac{3}{5}\left(x-\frac{1}{4}\right)=1\ \frac{1}{2}$$

Accepted Answer

$$x=2\ \frac{3}{4}$$

Answer

$$x=2\ \frac{1}{12}$$

Answer

$$x\ =\ 2\ \frac{1}{4}$$

Answer

$$x=2\ \frac{11}{12}$$

Question 60

A pole that is 12 feet tall casts a shadow that is 9 feet long. At the same time of day, how long is the shadow cast by a tree that is 45 feet tall?

Accepted Answer

33.75 ft

Answer

27 ft

Answer

29.25 ft

Answer

31.5 ft

Question 61

A box in the shape of a rectangular prism has a length of 9 inches, a width of 8 inches, and a height of 4 inches. What is the least amount of wrapping paper needed to wrap the box?

Accepted Answer

$$280\ in^2$$

Answer

$$288\ in^2$$

Answer

$$144\ in^2$$

Answer

$$140\ in^2$$

Question 62

Carson wants to construct a triangle with side lengths of 4 inches, 7 inches, and 12 inches. Which best describes a triangle with those side lengths?

Accepted Answer

nonexistent

Answer

a unique, right triangle

Answer

a unique, acute triangle

Answer

ambiguously defined

Question 63

A rectangular prism is sliced by a plane that is perpendicular to its base, as shown. What is the shape of the cross section formed?

Accepted Answer

rectangle (not a square)

Answer

trapezoid

Answer

square

Answer

parallelogram (not a rectangle)

Question 64

A circular clock has a radius of 8.5 centimeters. Which is the closet to the circumference of the clock? Use 3.14 for $$\pi$$ .

Accepted Answer

53.38 cm

Answer

14.13 cm

Answer

26.69 cm

Answer

226.87 cm

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