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Mental Calculations (1)

In this worksheet, students perform mental calculations with mixed operations.

'Mental Calculations (1)' worksheet

Key stage:  KS 2

Curriculum topic:  Number: Addition, Subtraction, Multiplication and Division

Curriculum subtopic:  Perform Mental Calculations

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

In this worksheet, follow the instructions in the given order to get to the final answer.

All calculations should be done mentally.

Know all times tables up to 12 as well as division, addition and subtraction facts.

 

Example 1

3 → × 4+ 6÷ 3 → ?

 

Answer

We start with 3 × 4 = 12.

Then 12 + 6 = 18.

Then 18 ÷ 3 = 6.

 

Example 2

132 → ÷ 11+ 6× 2÷ 12 → ?

 

Answer

We start with 132 ÷ 11 = 12.

Then 12 + 6 = 18.

Then 18 × 2 = 36.

Then 36 ÷ 12 = 3.

Work out:

 

5 → × 4+ 5÷ 5 → ?

Work out:

 

3 → × 6- 4÷ 2 → ?

Work out:

 

7 → × 7+ 1÷ 5 → ?

Work out:

 

9 → + 3+ 18÷ 5 → ?

Work out:

 

12 → + 4÷ 4- 4 → ?

Work out:

 

20 → + 4× 2÷ 6 → ?

Work out:

 

17 → + 4÷ 7× 12 → ?

Work out:

 

45 → ÷ 9+ 7÷ 4× 11 → ?

Work out:

 

108 → ÷ 12× 7- 9÷ 6 → ?

Work out:

 

7 → + 9× 2- 8÷ 4 → ?

  • Question 1

Work out:

 

5 → × 4+ 5÷ 5 → ?

CORRECT ANSWER
5
EDDIE SAYS
5 → 20 → 25 → 5
  • Question 2

Work out:

 

3 → × 6- 4÷ 2 → ?

CORRECT ANSWER
7
EDDIE SAYS
3 → 18 → 14 → 7
  • Question 3

Work out:

 

7 → × 7+ 1÷ 5 → ?

CORRECT ANSWER
10
EDDIE SAYS
7 → 49 → 50 → 10
  • Question 4

Work out:

 

9 → + 3+ 18÷ 5 → ?

CORRECT ANSWER
6
EDDIE SAYS
9 → 12 → 30 → 6
  • Question 5

Work out:

 

12 → + 4÷ 4- 4 → ?

CORRECT ANSWER
0
EDDIE SAYS
12 → 16 → 4 → 0
  • Question 6

Work out:

 

20 → + 4× 2÷ 6 → ?

CORRECT ANSWER
8
EDDIE SAYS
20 → 24 → 48 → 8
  • Question 7

Work out:

 

17 → + 4÷ 7× 12 → ?

CORRECT ANSWER
36
EDDIE SAYS
17 → 21 → 3 → 36
  • Question 8

Work out:

 

45 → ÷ 9+ 7÷ 4× 11 → ?

CORRECT ANSWER
33
EDDIE SAYS
45 → 5 → 12 → 3 → 33
  • Question 9

Work out:

 

108 → ÷ 12× 7- 9÷ 6 → ?

CORRECT ANSWER
9
EDDIE SAYS
108 → 9 → 63 → 54 → 9
  • Question 10

Work out:

 

7 → + 9× 2- 8÷ 4 → ?

CORRECT ANSWER
6
EDDIE SAYS
7 → 16 → 32 → 24 → 6
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