Quiz about Grade 7 review

Question 1

Which chart or graph is the most appropriate to use?

Accepted Answer

Pie Chart

Answer

Bar Graph

Answer

Line Graph

Answer

Histogram

Question 2

In a math test, the students in your class obtained the following grades (on a scale from 1 to 10):

2 2 3 5 6 6 6 7 8 8 8 8 9 9 9 9 10 10

Which of the following histograms represents this data correctly?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 3

Based on the chart, of the 500 students surveyed, how many more students watch movies than read a book?

Accepted Answer

8 students

Answer

19 students

Answer

30 students

Answer

40 students

Question 4

Find the probability of rolling greater than a 1 on a single die.

Accepted Answer

5/6

Answer

6/6

Answer

4/6

Answer

1/6

Question 5

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a brown candy?

Accepted Answer

1/10

Answer

2/18

Answer

1/9

Answer

2/20

Question 6

A box has 3 limes, 5 grapes, and 2 oranges.

P (NOT lime)

Accepted Answer

7/10

Answer

3/10

Answer

30%

Answer

Answer Not Here

Question 7

The letters that form the word MATHEMATICS are placed in a bowl. What is the probability of choosing a "M"?

Accepted Answer

2/11

Answer

8/121

Answer

4/11

Answer

4/121

Question 8

A number is randomly selected from 0-10. What is the probability the number selected is greater than 5?

Accepted Answer

5/11

Answer

1/2

Answer

3/5

Answer

2/5

Question 9

If I spin 35 times, how many times should the color yellow show up?

Accepted Answer

7

Answer

1

Answer

5

Answer

10

Question 10

Earl Darenz is asked to choose a day from a week. What is the probability of choosing a day which starts with S.

Accepted Answer

2/7

Answer

1/7

Answer

2/3

Answer

1/3

Question 11

Earl Darenz is asked to choose a day from a week. What is the probability of choosing a day which starts with S.

Accepted Answer

2/7

Answer

1/7

Answer

2/3

Answer

1/3

Question 12

If a letter is chosen randomly from the word PERSEVERANCE, what is the probability that the letter chosen is E.

Accepted Answer

1/3

Answer

1/7

Answer

1/4

Answer

1/5

Question 13

Of the 45 students in a class, 25 are boys. If a student is selected at a random for a field trip, what is the probability of selecting a girl?

Accepted Answer

4/9

Answer

3/8

Answer

4/5

Answer

2/7

Question 14

A spinner is divided equally and numbered as follows: 1, 1, 2, 3, 3, 4, 1, 1, 2, 4, 1, 2, 3, 4, 1, 2. what is the probability that a pointer will stop at an even prime number?

Accepted Answer

1/4

Answer

2/3

Answer

1/3

Answer

3/4

Question 15

What do you call the measure or estimation of how likely it is that an event can occur?

Accepted Answer

Probability

Answer

Event

Answer

Outcome

Answer

Sample space

Question 16

What do you call the measure or estimation of how likely it is that an event can occur?

Accepted Answer

Probability

Answer

Event

Answer

Outcome

Answer

Sample space

Question 17

There are 2 red balls, 3 yellow balls and 4 green balls in a bag. If a ball is drawn in random, what is the probability that the ball drawn is red?

Accepted Answer

2/9

Answer

1/3

Answer

2/3

Answer

0

Question 18

You tossed a five-peso coin five times and you got heads each time. You tossed again and still a head turned up. Do you think the coin is biased? Why?

Accepted Answer

I think the coin is not biased because both faces of the coin have equal chances of turning up.

Answer

I think the coin is biased because it favored the heads.

Answer

I think the coins is biased because it is expected to turn up tail for the next experiments.

Answer

I think the coin is not biased because the probability of turning heads is 3/4 while that of tails is only 1/4.

Question 19

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

Accepted Answer

5/11

Answer

5/6

Answer

1/3

Answer

5

Question 20

Based on the chart, what is the experimental probability of pulling a green marble?

Accepted Answer

8/25

Answer

1/8

Answer

8/100

Answer

7/8

Question 21

Given p = -4 and q =7, find the value of 2p -3q +5

Accepted Answer

-24

Answer

19

Answer

30

Answer

24

Question 22

State the number of terms of k - 4h + g - 9

Accepted Answer

4

Answer

5

Answer

3

Answer

1

Question 23

What is the value of the expression below when c = 7 and d = 2
4c $+$ d $+$ 8

Accepted Answer

38

Answer

23

Answer

30

Answer

57

Question 24

What is the value of the expression below when p = 6 and q = 8?

p² + q²

Accepted Answer

100

Answer

14

Answer

28

Answer

154

Question 25

Evaluate the expression for the given value(s) of the variable(s):

g² + 23 when g = 6

Accepted Answer

59

Answer

13

Answer

29

Answer

35

Question 26

Evaluate the expression for the given value(s) of the variable(s):

2b + 9 when b = 3

Accepted Answer

15

Answer

14

Answer

24

Answer

32

Question 27

Evaluate if a = 2 and b = 8
6 + 7b - 3a

Accepted Answer

56

Answer

-100

Answer

100

Answer

-56

Question 28

8y + 12 - 2z; for y = 4 and z = 2

Accepted Answer

40

Answer

20

Question 29

Change from standard form to scientific notation: 12,000,000

Accepted Answer

1.2 x 10⁷

Answer

12.0 x 10⁷

Answer

0.12 x 10⁷

Answer

1.2 x 10⁶

Question 30

Write 7.113 x 10⁷ in standard form.

Accepted Answer

71,130,00

Answer

7,113,000

Answer

0.0000007113

Answer

7,113

Question 31

Write 7.113 x 10⁷ in standard form.

Accepted Answer

71,130,00

Answer

7,113,000

Answer

0.0000007113

Answer

7,113

Question 32

Write 0.00000707 in scientific notation.

Accepted Answer

7.07 x 10^-6

Answer

7.07 x 10⁶

Answer

707 x 10⁸

Answer

707 x 10^-8

Question 33

Write 2.08 x 10²in standard form.

Accepted Answer

208

Answer

0.0208

Answer

20,800

Answer

0.208

Question 34

Write 8.73 x 10^-4in standard form.

Accepted Answer

0.000873

Answer

0.0873

Answer

87,300

Answer

8,730

Question 35

Write 52,300,000 in scientific notation.

Accepted Answer

5.23 x 10⁷

Answer

5.23 x 10^-7

Answer

52.3 x 10⁶

Answer

52.3 x 10^-6

Question 36

Write 0.037 in scientific notation.

Accepted Answer

3.7 x 10^-2

Answer

3.7 x 102

Answer

37 x 10-3

Answer

37 x 103

Question 37

Arrange the numbers from least to greatest:
216,000,000 ; 2.2 x 10³; 3.1 x 10⁷ ; 310,000

Accepted Answer

2.2 x 10³; 310,000; 3.1 x 10⁷ ; 216,000,000

Answer

310,000 ; 2.2 x 10³ ; 3.1 x 10⁷; 216,000,000

Answer

3.1 x 10⁷ ; 310,000; 2.2 x 10³; 216,000,000

Answer

2.2 x 10³ ; 3.1 x 10⁷ ; 310,000 ; 216,000,000

Question 38

Change from standard form to scientific notation:  450,000

Accepted Answer

4.5 x 10⁵

Answer

45 x 105

Answer

4.5 x 10⁴

Answer

4.5 x 10⁶

Question 39

Change from standard form to scientific notation:  0.000398

Accepted Answer

3.98 x 10^-4

Answer

39.8 x 10^-5

Answer

3.98 x 10^-5

Answer

39.8 x 10^-6

Question 40

Change from standard form to scientific notation: 0.004078

Accepted Answer

4.078 x 10^-3

Answer

4.078 x 10³

Answer

40.78 x 10^-4

Answer

.4078 x 10^-2

Question 41

(8.1 x 10³) + (8.1 x 10³)

Accepted Answer

1.62 x 10⁴

Answer

16.2 x 10³

Answer

1.62 x 10⁶

Question 42

(7.4 x 10⁶) - (3.2 x 10⁶)

Accepted Answer

4.2 x 10⁶

Answer

4.2 x 10⁰

Answer

4.2 x 10¹²

Question 43

Write the answer in scientific notation.

(5.0 x 10⁸) - (3.4 x 10⁸)=

Accepted Answer

1.6 x 10⁸

Answer

2.4 x 10⁸

Answer

2.4 x 10⁰

Question 44

Write the answer in scientific notation.

(4.1 x 10⁶) + (5.5 x 10⁶ )

Accepted Answer

9.6 x 10⁶

Answer

5.91 x 10⁶

Answer

9.6 x 10¹¹

Question 45

(2.3 x 10²)+(4.1 x 10²)

Accepted Answer

6.4 x 102

Answer

6.4 x 10⁴

Answer

6.4 x 10⁰

Question 46

(2.9 x 10^-9) - (1.7 x 10^-9)

Accepted Answer

1.2 x 10^-9

Answer

1.2 x 10^-18

Answer

4.6 x 10^-9

Question 47

Write the answer in scientific notation.

9.9 x 10⁸ - 3.4 x 10⁸

Accepted Answer

6.5 x 10⁸

Answer

2.4 x 10⁸

Answer

2.4 x 10⁰

Question 48

Multiply:

$$\left(6 imes10^3 ight) imes\left(2 imes10^{10} ight)$$

Accepted Answer

$$\left(6 imes2 ight) imes10^{\left(3+10 ight)}$$

Answer

$$\left(6+2 ight) imes10^{\left(3+10 ight)}$$

Answer

$$\left(6 imes2 ight) imes10^{\left(3 imes10 ight)}$$

Answer

$$\left(6+2 ight) imes10^{\left(3 imes10 ight)}$$

Question 49

Multiply:

$$\left(4 imes10^5 ight) imes\left(6 imes10^1 ight)$$

Accepted Answer

$$\left(4 imes6 ight) imes10^{\left(5+1 ight)}$$

Answer

$$\left(4 imes6 ight) imes10^{\left(5 imes1 ight)}$$

Question 50

Divide:
$$\left(6 imes10^{10} ight)\div\left(2 imes10^3 ight)$$

Accepted Answer

$$\left(6\div2 ight) imes10^{\left(10-3 ight)}$$

Answer

$$\left(6\div2 ight) imes10^{\left(10\div3 ight)}$$

Question 51

What is the quotient of the numbers below?

$$\left(9.6 imes10^3 ight)\div\left(7.5 imes10^9 ight)$$

Accepted Answer

$$1.28 imes10^{-6}$$

Answer

$$2.1 imes10^{-3}$$

Answer

$$2.1 imes10^{-6}$$

Answer

$$1.28 imes10^{-3}$$

Question 52

What is the quotient of the numbers below?

$$\left(9.0 imes10^8 ight)\div\left(2.5 imes10^4 ight)$$

Accepted Answer

$$3.6 imes10^4$$

Answer

$$3.6 imes10^2$$

Answer

$$6.5 imes10^2$$

Answer

$$6.5 imes10^4$$

Question 53

What is the product of the numbers below?

$$\left(3.4 imes10^{-4} ight) imes\left(2.3 imes10^{-7} ight)$$

Accepted Answer

$$7.32 imes10^{-11}$$

Answer

$$7.32 imes10^{28}$$

Answer

$$5.7 imes10^{-11}$$

Answer

$$5.7 imes10^{28}$$

Grade 7 review

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