Probability for Year 2 Maths: Learn the Chance of Events

Question 1

You have a bag with 3 blue marbles and 2 red marbles. What is the chance of picking a blue marble?

Accepted Answer

3 in 5

Answer

1 in 5

Answer

2 in 5

Question 2

You roll a dice 6 times and get a 6 twice. How often did you get a 6?

Accepted Answer

2 in 6

Answer

1 in 6

Answer

1 in 3

Question 3

Which of these is fair?

Accepted Answer

Flipping a coin

Answer

Rolling a dice that always lands on 6

Answer

Picking a card from a deck where some cards are missing

Question 4

A fair coin is flipped. What is the chance of getting heads?

Accepted Answer

1 in 2

Answer

1 in 4

Answer

1 in 3

Answer

1 in 5

Question 5

You have a spinner that is divided into 8 equal sections. What is the chance of spinning a number greater than 5?

Accepted Answer

One-fourth

Answer

One-eighth

Answer

Half

Question 6

Which of these will definitely happen?

Accepted Answer

The sun rising tomorrow

Answer

Tossing a coin and getting tails

Answer

Picking a card from a deck and getting a king

Question 7

You flip a coin twice. What is the chance of getting heads both times?

Accepted Answer

One-eighth

Answer

Half

Answer

One-fourth

Question 8

Which of these is something that is unlikely to happen?

Accepted Answer

The sky turning green

Answer

Getting a head when flipping a coin

Answer

Rolling a 6 on a dice

Question 9

What is the probability of rolling a 6 on a standard dice?

Accepted Answer

1/6

Answer

1/2

Answer

1/3

Answer

1/4

Question 10

In a deck of cards with 20 red cards and 20 black cards, what is the probability of drawing a red card?

Accepted Answer

1/2

Answer

1/4

Answer

1/5

Answer

1/10

Question 11

What is the probability of rolling a number less than 5 on a dice?

Accepted Answer

1/2

Answer

1/3

Answer

1/4

Answer

1/6

Question 12

Which of these events is most likely to happen? Choose the event that you think is most likely to happen.

Accepted Answer

Rolling a dice and getting an even number

Answer

Rolling a dice and getting a 7

Answer

Flipping a coin and getting tails

Answer

Spinning a spinner with 4 equal sections and landing on blue

Question 13

Which of these does NOT have a chance of happening 50%? (50% means equally likely to happen or not happen)

Accepted Answer

Rolling a dice and getting a number less than 4

Answer

Flipping a coin and getting heads

Answer

Spinning a spinner with 4 equal sections and landing on green

Answer

Getting a blue marble from a bag with 2 blue marbles and 2 red marbles

Question 14

Which of these events is least likely to happen? Choose the event that you think is least likely to happen.

Accepted Answer

Selecting a blue ball from a bag with 2 blue balls and 4 red balls

Answer

Getting a head when flipping a coin

Answer

Rolling a dice and getting an odd number

Answer

Spinning a spinner with 6 equal sections and landing on red

Question 15

What does it mean when an event has a chance of 0%? (0% means it cannot happen)

Accepted Answer

It is impossible to happen.

Answer

It is very likely to happen.

Answer

It is equally likely to happen or not happen.

Answer

It is certain to happen.

Question 16

What part of the whole represents the chance of getting an even number on a dice?

Accepted Answer

Half

Answer

A third

Answer

A quarter

Question 17

Which word describes something that is not likely to happen?

Accepted Answer

Unlikely

Answer

Likely

Answer

Certain

Question 18

Which of these is sure to happen?

Accepted Answer

You will get older.

Answer

You will become very wealthy.

Answer

You will invent something new.

Question 19

If you have a bag with 5 red balls and 3 blue balls, what is the chance of picking a blue ball?

Accepted Answer

A third

Answer

Half

Answer

An eighth

Question 20

Which of these is true about probability?

Accepted Answer

Probability is a number between 0 and 1.

Answer

Probability can be a negative number.

Answer

Probability is always 1.

Question 21

When you flip a coin, which is more likely to happen: getting heads or getting tails?

Accepted Answer

Both are equally likely

Answer

Heads

Answer

Tails

Question 22

There are 5 red balls and 3 blue balls in a bag. What is the chance of picking a red ball?

Accepted Answer

5 in 8

Answer

1 in 8

Answer

3 in 8

Question 23

Which of these things can't happen?

Accepted Answer

Picking a green ball from a bag that only has red and blue balls

Answer

Getting tails when you flip a coin

Answer

Rolling a 7 on a dice

Question 24

What is the chance of something that is definitely going to happen?

Accepted Answer

1

Answer

0

Answer

1 in 2

Question 25

A box has 3 red marbles, 2 blue marbles, and 1 green marble. What is the chance of picking a blue marble?

Accepted Answer

1 in 3

Answer

1 in 2

Answer

1 in 6

Question 26

You roll a dice and get a 6. What is the chance of rolling a number less than 6 on your next roll?

Accepted Answer

Half

Answer

Not possible

Answer

Definitely

Question 27

A bag has 3 red marbles, 2 blue marbles, and 1 green marble. You reach in and pick one marble without looking. What is the chance of picking a green marble?

Accepted Answer

1 in 6 (1/6)

Answer

1 in 3 (1/3)

Answer

1 in 2 (1/2)

Question 28

Which event is most likely to happen?

Accepted Answer

Flipping a coin and getting heads

Answer

Rolling a dice and getting a 7

Answer

Picking a green marble from a bag of only blue marbles

Question 29

A spinner has 4 equal sections, colored red, blue, green, and yellow. What fraction shows the chance of spinning red?

Accepted Answer

1/4

Answer

1/2

Answer

1/3

Question 30

The chance of rain tomorrow is 0.8. Which is true?

Accepted Answer

It is likely to rain tomorrow.

Answer

It is unlikely to rain tomorrow.

Answer

It is certain to rain tomorrow.

Question 31

A spinner has 6 equal sections, each with a different number from 1 to 6. What is the chance of spinning a number less than 4?

Accepted Answer

1/3

Answer

1/2

Answer

1/6

Question 32

What part of a whole represents the chance of tossing a coin and getting heads?

Accepted Answer

1 out of 2

Answer

1 out of 4

Answer

3 out of 4

Question 33

Which picture shows the chance of getting a number less than 3 when you throw a dice?

Accepted Answer

[Image of a dice with numbers 1, 2, and 3 shaded]

Answer

[Image of a dice with numbers 4, 5, and 6 shaded]

Answer

[Image of a dice with no numbers shaded]

Question 34

True or False: The chance of something happening can only be between 0 and 1.

Accepted Answer

True

Answer

False

Question 35

If the chance of something happening is 0.8, what is the chance of it not happening?

Accepted Answer

0.2

Answer

0.8

Answer

1.0

Question 36

You have a bag with 5 blue marbles and 3 red marbles. What is the probability of picking a red marble?

Accepted Answer

Three out of eight

Answer

Half

Answer

One in eight

Answer

Five out of eight

Question 37

Which of these shows the highest chance of happening: sometimes, likely, or unlikely?

Accepted Answer

Likely

Answer

Sometimes

Answer

Unlikely

Question 38

There are 4 red marbles and 6 blue marbles in a bag. What fraction of the marbles in the bag are red?

Accepted Answer

2/5

Answer

2/3

Answer

4/9

Question 39

A weather forecast predicts a 70% chance of rain. Which of these words best describes the likelihood of rain: impossible, likely, or certain?

Accepted Answer

Likely

Answer

Impossible

Answer

Certain

Question 40

Jack has a bag of sweets with 10 sweets in total, and 4 of them are red. If Jack picks a sweet at random, what is the probability that it will be red?

Accepted Answer

2/5

Answer

1/2

Answer

4/5

Question 41

Which of these is a fair game: a game where you always win a prize, where you win half the time, or where you never lose?

Accepted Answer

A game where you win half the time

Answer

A game where you always win a prize

Answer

A game where you never lose

Question 42

There are 5 boys and 3 girls in a class. What is the probability of choosing a boy?

Accepted Answer

5/8

Answer

2/8

Answer

3/8

Question 43

Which picture shows an equal chance of spinning either a 1 or a 2?

Accepted Answer

[Image of a spinner divided into two equal parts, one labelled '1' and the other labelled '2']

Answer

[Image of a spinner divided into three equal parts, one labelled '1', one labelled '2', and one labelled '3']

Answer

[Image of a dice with the numbers 1, 2, and 3 on three of its sides]

Answer

[Image of a coin with a '1' on one side and a '2' on the other side]

Question 44

A spinner has 4 equal sections, each coloured differently. What is the chance of spinning the colour red?

Accepted Answer

1 in 4

Answer

1 in 2

Answer

1 in 3

Answer

1 in 8

Question 45

What is the chance of getting an even number when you roll a dice?

Accepted Answer

1 out of 2

Answer

1 out of 3

Answer

1 out of 4

Question 46

Which picture shows the chance of getting a red marble from a bag with 5 red marbles and 3 blue marbles?

Accepted Answer

[Image of a circle divided into 8 equal parts, with 5 parts shaded in red]

Answer

[Image of a circle divided into 8 equal parts, with 3 parts shaded in red]

Question 47

What do we call an event that is sure to happen?

Accepted Answer

Certain

Answer

Possible

Answer

Impossible

Question 48

Which of these is a fair game?

Accepted Answer

A game where you have the same chance of winning or losing

Answer

A game where you always win

Answer

A game where you always lose

Question 49

Which of these events is most likely to happen: getting a head when flipping a coin, rolling an even number on a six-sided dice, or drawing a red card from a deck of 52 cards?

Accepted Answer

Getting a head when flipping a coin

Answer

Rolling an even number on a six-sided dice

Answer

Drawing a red card from a deck of 52 cards

Question 50

What is the probability of getting a tail when flipping a coin?

Accepted Answer

Half

Answer

One-third

Answer

One-fourth

Question 51

Which diagram shows a probability of one-fourth?

Accepted Answer

[Image of a circle divided into four equal parts, one part shaded]

Answer

[Image of a circle divided into two equal parts, one part shaded]

Answer

[Image of a circle divided into three equal parts, one part shaded]

Question 52

Which of these is a fair game: a game where you always win a prize, a game where you have a 50% chance of winning, or a game where you are more likely to lose than to win?

Accepted Answer

A game where you have a 50% chance of winning

Answer

A game where you always win a prize

Answer

A game where you are more likely to lose than to win

Question 53

What does the word 'impossible' mean in terms of probability?

Accepted Answer

It is not likely to happen at all

Answer

It will definitely happen

Answer

It is very likely to happen

Question 54

What is the opposite of 'certain' in terms of probability?

Accepted Answer

Impossible

Answer

Likely

Answer

Unlikely

Question 55

Imagine you flip a coin. Which side are you more likely to get?

Accepted Answer

It is equally likely to get heads or tails

Answer

Heads

Answer

Tails

Answer

It depends on how you flip the coin

Question 56

Which of these games is fair?

Accepted Answer

A game where both players have the same chance of winning

Answer

A game where one player gets to go first

Answer

A game where you always win

Answer

A game where you never win

Question 57

You have some marbles. Some are red, and some are blue. If there are 5 red marbles and 3 blue marbles, what is the chance you will pick a red marble?

Accepted Answer

A half chance

Answer

A third chance

Question 58

Look at the circle. It is divided into different parts. Two of the parts are shaded. What is the chance that if you spin the circle, it will land on a shaded part?

Accepted Answer

A third chance

Answer

A sixth chance

Question 59

You have a coin. If you flip it one time, what is the chance you will get heads?

Accepted Answer

A half chance

Answer

A quarter chance

Question 60

You have a bag of marbles. There are the same number of red marbles as there are blue marbles. If you pick a marble without looking, what is the chance you will pick a blue marble?

Accepted Answer

A half chance

Answer

A third chance

Answer

A sixth chance

Question 61

You spin a spinner that is divided into four equal parts. Each part has a different number on it (1, 2, 3, 4). What is the chance that you will spin an odd number?

Accepted Answer

A half chance

Answer

A third chance

Answer

A quarter chance

Question 62

Which of these things does NOT affect how likely something is to happen?

Accepted Answer

How you are feeling

Answer

The number of possible outcomes

Answer

The outcome you want