Quiz about revision sheet grade 7

Question 1

How many events make up a Simple Event?

Accepted Answer

Just 1

Answer

Just 2

Answer

2 or 3

Answer

More than 3

Question 2

WHAT IS THE EXPERIMENTAL PROBABILITY OF IT LANDING ON WHITE, WRITTEN AS A DECIMAL.

Accepted Answer

0.25

Answer

0.75

Answer

100

Answer

4.00

Question 3

A restaurant surveys customer orders with the following results: 8 pizzas, 12 hamburgers, 4 Chicken fingers, and 6 steaks. What is the experimental probability of pizza being chose?

P(Pizza)

Accepted Answer

4/15

Answer

6/30

Answer

4/30

Answer

12/30

Question 4

A breakfast cart offers plain and multigrain bagels with three different toppings: butter, cream cheese, or jam. The orders one morning were recorded in the table. What is the experimental probability that the next customer wants a multigrain bagel with cream cheese?

Accepted Answer

$$\frac{6}{25}$$

Answer

$$\frac{13}{25}$$

Answer

$$\frac{27}{50}$$

Answer

$$\frac{13}{50}$$

Question 5

At a street intersection, a vehicle is classified either as a car or a truck, and it can turn left, right, or go straight. Find the experimental probability that the next vehicle will be a car that turns right.

Accepted Answer

$$\frac{3}{25}$$

Answer

$$\frac{23}{50}$$

Answer

$$\frac{17}{50}$$

Answer

$$\frac{11}{25}$$

Question 6

A jeweler sells necklaces made in three sizes and two different metals. Find the experimental probability that the next necklace sold is a 20-inch gold necklace.

Accepted Answer

$$\frac{4}{25}$$

Answer

$$\frac{17}{75}$$

Answer

$$\frac{14}{25}$$

Answer

$$\frac{1}{15}$$

Question 7

Accepted Answer

150

Answer

40

Answer

90

Answer

116

Question 8

Accepted Answer

164

Answer

41

Answer

97

Answer

116

Question 9

Accepted Answer

18

Answer

19

Answer

20

Answer

21

Question 10

Accepted Answer

80

Answer

20

Answer

60

Answer

50

Question 11

Accepted Answer

147

Answer

153

Answer

140

Answer

124

Question 12

Accepted Answer

147

Answer

153

Answer

140

Answer

124

Question 13

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?

Accepted Answer

1/3

Answer

3/10

Answer

3/9

Answer

1/9

Question 14

A bag of markers has 4 red markers, 5 blue markers, 3 yellow markers, and 3 green markers. If Maria pulls out a marker without looking, what is the probability he will NOT pull out a blue marker?

Accepted Answer

2/3

Answer

5/10

Answer

1/3

Answer

4/15

Question 15

A small bag of jelly beans contains 2 lemons, 4 cherry, 1 lime, and 3 blueberry jelly beans. If Jessica chooses a jellybean without looking, what is the probability it will be cherry or blueberry?

Accepted Answer

7/10

Answer

3/10

Answer

1/2

Answer

1/4

Question 16

P(not A) =
*Remember to simplify.*

Accepted Answer

3/4

Answer

6/8

Answer

2/8

Answer

1/4

Question 17

If you are playing Twister, what s the probability of spinning a red spot?

Accepted Answer

4 out of 16

Answer

8 out of 16

Answer

4 out of 12

Answer

1 out of 2

Question 18

A jar has 15 pink gumballs, 22 green gumballs, 19 red gumballs, and 19 yellow gumballs. Which colored gumball has the greatest probability of being picked when a child randomly draws one out of the jar?

Accepted Answer

green

Answer

red

Answer

pink

Answer

yellow

Question 19

What is the probability of spinning an even number?

Accepted Answer

50%

Answer

16 2/3%

Answer

33 1/3%

Answer

75%

Question 20

The spinner shown is spun.
Find P(number less than 6).

Accepted Answer

⁵/₈ or 62.5%

Answer

⁶/₈ or 75%

Answer

¹/₈ or 12.5%

Answer

³/₈ or 37.5%

Question 21

What is the probability of spinning red?

Accepted Answer

5/12

Answer

0

Answer

1/2

Answer

3/4

Question 22

You pick a card at random.

What is P(5)?

Accepted Answer

1/4

Answer

3/1

Answer

3/4

Answer

1

Question 23

You roll a 6-sided die.

What is P(3)?

Accepted Answer

1/6

Answer

1/3

Answer

3/6

Answer

6

Question 24

What is the probability of the spinner shown landing on a number greater than 2 but less than 7?

Accepted Answer

1/2

Answer

1/4

Answer

3/8

Answer

1/8

Question 25

If you flip three coins, use a list to show how many outcomes are in the sample space. Then find the probability of getting heads, tails, heads.

Accepted Answer

HHH HHT HTH HTT THH THT TTH TTT
P(heads, tails, heads) = 1/8

Answer

HHH HHT HTH HTT THH THT TTH TTT
P(heads, tails, heads) = 2/8

Answer

HHH HHT HTH HTT THH THT TTH TTT
P(heads, tails, heads) = 1/4

Answer

HHH HHT HTH HTT THH THT TTH TTT
P(heads, heads, heads) = 1/8

Question 26

Drake rolls 2 fair number cubes. What is the probability that the PRODUCT of the two numbers Drake rolls is a multiple of four?

Accepted Answer

Sample space = 36
Multiples of 4: 15
P(multiple of 4) = 5/12

Answer

Sample space: 20
Multiples of 4: 15
P(multiple of 4) = 5/12

Answer

Sample space: 15
Multiples of 4: 15
P(multiple of 4) = 15/36

Answer

Sample space: 4
Multiples of 4: 15
P(multiple of 4) = 15/36

Question 27

A deli prepares sandwiches with one type of bread (white or wheat), one type of meat (ham or turkey), and one type of cheese (cheddar or swiss). Each combination is equally likely. Find the probability of choosing a sandwich at random and getting ham and swiss on white bread.

Accepted Answer

Sample Space: 8
Ham, Swiss, White: 1
P(Ham, Swiss, White) = 1/8

Answer

Sample Space: 6
Ham, Swiss, White: 2
P(Ham, Swiss, White) = 1/3

Answer

Sample Space: 4
Ham, Swiss, White: 2
P(Ham, Swiss, White) = 1/2

Answer

Sample Space: 12
Ham, Swiss, White: 1
P(Ham, Swiss, White) = 1/12

Question 28

Which of the following situations is represented by this tree diagram?

Accepted Answer

3 shirt options, 2 pants options, and 2 shoe options

Answer

3 shirt options, 6 pants options, and 12 shoe options

Answer

2 shirt options, 3 pants options, and 1 shoe option

Question 29

How many total outfit options are represented?

Accepted Answer

12

Answer

22

Answer

3

Question 30

How many outfits are possible with 5 pairs of jeans, 8 t-shirts, and 2 pairs of shoes?

Accepted Answer

80

Answer

15

Answer

40

Answer

10

Question 31

The spinner is spun two times.  Determine the probability of landing on red the first spin and on green the second spin .

Accepted Answer

1/9

Answer

1/10

Answer

0

Answer

1/12

Question 32

You flip a nickel three times.
Find the probability that all flips will land on tails.

Accepted Answer

1/8

Answer

1/2

Answer

1/4

Answer

1/6

Question 33

Question 33.

Accepted Answer

1/12

Answer

1/2

Answer

1/8

Answer

1/3

Question 34

A bag contains 6 red marbles, 2 white marbles, and 1 gray marble. You randomly pick out a marble, record its color, and put it back in the bag. You repeat this process 45 times. How many white OR gray marbles do you expect to get?

Hint: Find the probability of picking a white OR gray marble, then set up a proportion.

Accepted Answer

15

Answer

9

Answer

12

Answer

18

Question 35

Bob works at a construction company. He has a 1/3 chance to be assigned to a crew that is building apartments.

Set up and solve a proportion to find how many times Bob will be assigned to the house crew if he works 18 days a month.

Accepted Answer

6

Answer

7

Answer

4

Answer

5

Question 36

John and O'Neal are playing a board game in which they roll two number cubes. John needs to get a sum of 8 on the number cubes to win. O'Neal needs a sum of 11. If they take turns rolling the number cube, who is more likely to win? Explain

Hint: Watch the video from yesterday, he did a problem very similar to this.

Accepted Answer

John because he has a 5/36 chance.

Answer

O'Neal because he has a 2/36 chance.

Answer

John because he has a 2/36 chance.

Answer

O'Neal because he has a 5/36 chance.

Question 37

-17.5

Accepted Answer

Rational

Answer

Irrational

Question 38

The square root of 57 is ...

Accepted Answer

irrational

Answer

rational

Question 39

A non-perfect square is which type of number?

Accepted Answer

Irrational

Answer

Rational

Question 40

What is the answer to the problem in the picture?

Accepted Answer

6/7

Answer

3/4

Answer

4/5

Answer

5/6

Question 41

Is the number 0.333... (repeating) rational or irrational?

Accepted Answer

Rational

Answer

Irrational

Question 42

.141414141414...

Accepted Answer

Rational

Answer

Irrational

Question 43

$$\frac{5}{7}$$ is a/an:

Accepted Answer

rational number

Answer

integer

Answer

whole number

Answer

irrational number

Question 44

_____________ number is a number that cannot be written as a ratio of two integers.

Accepted Answer

An irrational

Answer

An integer

Answer

A rational

Answer

A repeating

Question 45

Choose the number that applies to these sets: Real, Rational, Integer, Whole

Accepted Answer

4

Answer

-4

Answer

0.5

Answer

1/2

Question 46

True or False: All whole numbers are rational

Accepted Answer

True

Answer

False

Question 47

True or False: The numbers on a standard ruler can be negative integers

Accepted Answer

False

Answer

True

Question 48

True or False: Both rational and irrational numbers are real.

Accepted Answer

True

Answer

False

Question 49

True or False: If a number can be written as a fraction, it is rational.

Accepted Answer

True

Answer

False

Question 50

Between which two whole numbers is the square root of 277?

Accepted Answer

16 and 17

Answer

15 and 16

Answer

18 and 19

Answer

14 and 15

Question 51

Solve 5-2

Accepted Answer

1/25

Answer

-10

Answer

1/(5)2

Answer

-1/10

Question 52

2-1

Accepted Answer

1/2

Answer

1/1

Answer

-1/1

Answer

-1/2

Question 53

What is 10⁰equivalent to?

Accepted Answer

1

Answer

10

Answer

0

Answer

100

Question 54

Solve (-8)^-2

Accepted Answer

1/64

Answer

1/(-8)2

Answer

1/82

Answer

-64

Question 55

Simplify x^-7

Accepted Answer

1/x7

Answer

-7

Answer

-7x

Answer

-1/x7

Question 56

Simplify (-9)⁰

Accepted Answer

1

Answer

-9

Answer

-1

Answer

9

Question 57

Which is greater, 2654⁰ or 5⁰?

Accepted Answer

They are the same

Answer

26540

Answer

50

Answer

Zero is greater

Question 58

Are these two equivalent: 2² = (-2)²

Accepted Answer

Yes

Answer

No

Question 59

$$\left(2\right)^{-6}$$

Accepted Answer

$$\frac{1}{64}$$

Answer

64

Answer

-64

Answer

$$-\frac{1}{64}$$

Question 60

$$5^6\cdot5^9$$

Accepted Answer

$$5^{15}$$

Answer

5

Answer

$$5^{54}$$

Answer

$$25^{15}$$

Question 61

$$5^3\cdot7^3$$

Accepted Answer

Cannot combine

Answer

$$35^9$$

Answer

$$7^6$$

Answer

$$5^6$$

Question 62

$$m\cdot m^3$$

Accepted Answer

$$m^4$$

Answer

$$m^2$$

Answer

$$m^3$$

Answer

2m

Question 63

$$\left(4^{-2}\right)^3$$

Accepted Answer

$$\left(\frac{1}{4^6}\right)$$

Answer

$$4^6$$

Answer

$$4^5$$

Answer

4

Question 64

3⁵ x 3^-3

Accepted Answer

32

Answer

38

Answer

3-15

Answer

3-2

revision sheet grade 7

107 questions

How many events make up a Simple Event?

What is the experimental probability for Red?

WHAT IS THE EXPERIMENTAL PROBABILITY OF IT LANDING ON WHITE, WRITTEN AS A DECIMAL.

What is the experimental probability for BLUE?

The spinner is spun 15 times. The number of times it lands on a color is recorded below.
Red 2, blue 3, yellow 1, purple 1, orange 5 , green 3
What is the experimental probability it landed on RED?

What is the experimental probability for GREEN?

A restaurant surveys customer orders with the following results: 8 pizzas, 12 hamburgers, 4 Chicken fingers, and 6 steaks. What is the experimental probability of pizza being chose?
P(Pizza)

A breakfast cart offers plain and multigrain bagels with three different toppings: butter, cream cheese, or jam. The orders one morning were recorded in the table. What is the experimental probability that the next customer wants a multigrain bagel with cream cheese?

At a street intersection, a vehicle is classified either as a car or a truck, and it can turn left, right, or go straight. Find the experimental probability that the next vehicle will be a car that turns right.

A jeweler sells necklaces made in three sizes and two different metals. Find the experimental probability that the next necklace sold is a 20-inch gold necklace.

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revision sheet grade 7

107 questions

How many events make up a Simple Event?

What is the experimental probability for Red?

WHAT IS THE EXPERIMENTAL PROBABILITY OF IT LANDING ON WHITE, WRITTEN AS A DECIMAL.

What is the experimental probability for BLUE?

The spinner is spun 15 times. The number of times it lands on a color is recorded below.Red 2, blue 3, yellow 1, purple 1, orange 5 , green 3What is the experimental probability it landed on RED?

What is the experimental probability for GREEN?

A restaurant surveys customer orders with the following results: 8 pizzas, 12 hamburgers, 4 Chicken fingers, and 6 steaks. What is the experimental probability of pizza being chose?P(Pizza)

A breakfast cart offers plain and multigrain bagels with three different toppings: butter, cream cheese, or jam. The orders one morning were recorded in the table. What is the experimental probability that the next customer wants a multigrain bagel with cream cheese?

At a street intersection, a vehicle is classified either as a car or a truck, and it can turn left, right, or go straight. Find the experimental probability that the next vehicle will be a car that turns right.

A jeweler sells necklaces made in three sizes and two different metals. Find the experimental probability that the next necklace sold is a 20-inch gold necklace.

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

The spinner is spun 15 times. The number of times it lands on a color is recorded below.
Red 2, blue 3, yellow 1, purple 1, orange 5 , green 3
What is the experimental probability it landed on RED?

A restaurant surveys customer orders with the following results: 8 pizzas, 12 hamburgers, 4 Chicken fingers, and 6 steaks. What is the experimental probability of pizza being chose?
P(Pizza)