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Probability of Picking a Colour

In this worksheet, students calculate the probability of choosing a certain colour.

'Probability of Picking a Colour' worksheet

Key stage:  KS 3

Curriculum topic:  Probability

Curriculum subtopic:  Understand Probability Outcomes

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

Probability is written as a fraction.

On the top (numerator) of the fraction, we place the number of options we are looking for.

On the bottom (denominator) of the fraction, we place the total number of possible combinations.

 

 

Example

Look at these coloured cards.

 

What is the probability of selecting a yellow card at random?

 

Answer

There are 4 options that "we are looking for". This is the four yellow cards.

There are 6 "possible combinations".

 

The probability of choosing a yellow card is 4/6 which reduces to 2/3.

Look at these coloured cards.

 

 

What is the probability of selecting a red card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

Look at these coloured cards.

 

 

What is the probability of selecting a blue card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

Look at these coloured cards.

 

 

What is the probability of selecting a yellow card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

Look at these coloured cards.

 

 

What is the probability of selecting a red card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

Look at these coloured cards.

 

 

What is the probability of selecting a green card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

Look at these coloured cards.

 

 

What is the probability of selecting a red card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

Look at these coloured cards.

 

 

What is the probability of selecting a yellow card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

Look at these coloured cards.

 

 

What is the probability of selecting a blue card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

Look at these coloured cards.

 

 

What is the probability of selecting a blue card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

Look at these coloured cards.

 

 

What is the probability of selecting a red card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

  • Question 1

Look at these coloured cards.

 

 

What is the probability of selecting a red card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

CORRECT ANSWER
1/6
  • Question 2

Look at these coloured cards.

 

 

What is the probability of selecting a blue card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

CORRECT ANSWER
1/6
  • Question 3

Look at these coloured cards.

 

 

What is the probability of selecting a yellow card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

CORRECT ANSWER
1/2
  • Question 4

Look at these coloured cards.

 

 

What is the probability of selecting a red card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

CORRECT ANSWER
1/3
  • Question 5

Look at these coloured cards.

 

 

What is the probability of selecting a green card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

CORRECT ANSWER
0
EDDIE SAYS
0/6 = 0
  • Question 6

Look at these coloured cards.

 

 

What is the probability of selecting a red card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

CORRECT ANSWER
3/8
  • Question 7

Look at these coloured cards.

 

 

What is the probability of selecting a yellow card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

CORRECT ANSWER
3/8
  • Question 8

Look at these coloured cards.

 

 

What is the probability of selecting a blue card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

CORRECT ANSWER
1/4
  • Question 9

Look at these coloured cards.

 

 

What is the probability of selecting a blue card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

CORRECT ANSWER
1/2
  • Question 10

Look at these coloured cards.

 

 

What is the probability of selecting a red card at random?

(write the answer as a fraction in its lowest terms using the / sign e.g. 3/4)

CORRECT ANSWER
1/3
---- OR ----

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