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Halfway Numbers 1

In this worksheet, students must find the number which is exactly halfway between the two given numbers.

'Halfway Numbers 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

There are several ways to find the number exactly halfway between two given numbers.  

We shall use two easy numbers, such as 60 and 70, to illustrate three different methods.

 

Method 1

Find the difference between the two numbers, which here is 70 - 60 = 10.

Halve this difference, which here is 10 ÷ 2 = 5.

Add this to the smaller number, which here is 60 + 5 = 65.

 

 

Method 2

Find the difference between the two numbers, which here is 70 - 60 = 10.

Halve this difference, which here is 10 ÷ 2 = 5.

Subtract this from the larger number, which here is 70 - 5 = 65.

 

 

Method 3

Find the mean of the two numbers by adding them together and halving the result.

The total is 60 + 70 = 130.

Halve the result to get 130 ÷ 2 = 65.

Write down the number which is halfway between:

 

54 and 64

Write down the number which is halfway between:

 

50 and 60

Write down the number which is halfway between:

 

540 and 640

Write down the number which is halfway between:

 

54 and 74

Write down the number which is halfway between:

 

5400 and 7400

Write down the number which is halfway between:

 

5000 and 7400

Write down the number which is halfway between:

 

5000 and 9400

Write down the number which is halfway between:

 

5400 and 9400

Write down the number which is halfway between:

 

5400 and 8400

Write down the number which is halfway between:

 

5400 and 10400

  • Question 1

Write down the number which is halfway between:

 

54 and 64

CORRECT ANSWER
59
EDDIE SAYS
Difference is 10.
Halve this to get 5.
Add this to 54.
  • Question 2

Write down the number which is halfway between:

 

50 and 60

CORRECT ANSWER
55
EDDIE SAYS
Difference is 10.
Halve this to get 5.
Add this to 50.
  • Question 3

Write down the number which is halfway between:

 

540 and 640

CORRECT ANSWER
590
EDDIE SAYS
Difference is 100.
Halve this to get 50.
Add this to 540.
  • Question 4

Write down the number which is halfway between:

 

54 and 74

CORRECT ANSWER
64
EDDIE SAYS
Difference is 20.
Halve this to get 10.
Add this to 54.
  • Question 5

Write down the number which is halfway between:

 

5400 and 7400

CORRECT ANSWER
6400
EDDIE SAYS
Difference is 2000.
Halve this to get 1000.
Add this to 5400.
  • Question 6

Write down the number which is halfway between:

 

5000 and 7400

CORRECT ANSWER
6200
EDDIE SAYS
Difference is 2400.
Halve this to get 1200.
Add this to 5000.
  • Question 7

Write down the number which is halfway between:

 

5000 and 9400

CORRECT ANSWER
7200
EDDIE SAYS
Difference is 4400.
Halve this to get 2200.
Add this to 5000.
  • Question 8

Write down the number which is halfway between:

 

5400 and 9400

CORRECT ANSWER
7400
EDDIE SAYS
Difference is 4000.
Halve this to get 2000.
Add this to 5400.
  • Question 9

Write down the number which is halfway between:

 

5400 and 8400

CORRECT ANSWER
6900
EDDIE SAYS
Difference is 3000.
Halve this to get 1500.
Add this to 5400.
  • Question 10

Write down the number which is halfway between:

 

5400 and 10400

CORRECT ANSWER
7900
EDDIE SAYS
Difference is 5000.
Halve this to get 2500.
Add this to 5400.
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