In this lesson, we will investigate problems involving calculating the mean average of a set of numbers.

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Which of the set of numbers below have a mean of 6?

4,4,7,12

Correct answer: 5,3,7,9

5,3,7,9

6,12,6,6

6,6,7,14

Q2.

From the set of numbers below which does not have a mean of 8?

10,5,16,1

5, 4, 4, 19

Correct answer: 6,8,12,5

6,8,12,5

8,9,8,7

Q3.

A footballer scores 3 goals in his first game, 5 goals in his second game and 1 goal in his third game. What is the average number of goals that he has scored across his games?

2

Correct answer: 3

3

5

8

Q4.

6 people have the following number of sweets: 3,8,5,8,6. If they were to share the sweets equally between them how many would they each get?

5

Correct answer: 6

6

8

9

Q5.

Tickets to the cinema cost £8 each. Five friends go and each friend has the following amount of money: £9,£11,£6,£7,£6 Do they have enough money between them to pay for 5 tickets?

Correct answer: No, they need £1 more

No, they need £1 more

No, they need £2 more

Yes and they have spare money

Yes, they have exactly the right amount of money

Lesson appears in

UnitMaths / Problem solving with whole numbers and decimals