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Know Your Numbers: What's Half Way? (1)

In this worksheet, students find the number that is exactly half way between the two given numbers.

'Know Your Numbers: What's Half Way? (1)' worksheet

Key stage:  KS 2

Curriculum topic:  Number: Number and Place Value

Curriculum subtopic:  Solve Number Problems to 1 000 000

Difficulty level:  

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:

 

50 and 60

Write down the number which is halfway between:

 

54 and 64

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:

 

50 and 60

CORRECT ANSWER
55
EDDIE SAYS
Find the difference between the two numbers, which here is 60 - 50 = 10 Halve this difference, which here is 10 ÷ 2 = 5 Add this to the smaller number, which here is 50 + 5 = 55
  • Question 2

Write down the number which is halfway between:

 

54 and 64

CORRECT ANSWER
59
EDDIE SAYS
Find the difference between the two numbers, which here is 64 - 54 = 10 Halve this difference, which here is 10 ÷ 2 = 5 Subtract this from the larger number, which here is 64 - 5 = 59
  • Question 3

Write down the number which is halfway between:

 

540 and 640

CORRECT ANSWER
590
EDDIE SAYS
Find the mean of the two numbers by adding them together and halving the result. The total is 540 + 640 = 1180 Halve the result to get 1180 ÷ 2 = 590
  • Question 4

Write down the number which is halfway between:

 

54 and 74

CORRECT ANSWER
64
EDDIE SAYS
Find the difference between the two numbers, which here is 74 - 54 = 20 Halve this difference, which here is 20 ÷ 2 = 10 Add this to the smaller number, which here is 54 + 10 = 64
  • Question 5

Write down the number which is halfway between:

 

5400 and 7400

CORRECT ANSWER
6400
EDDIE SAYS
Find the difference between the two numbers, which here is 7400 - 5400 = 2000 Halve this difference, which here is 2000 ÷ 2 = 1000 Add this to the smaller number, which here is 5400 + 1000 = 6400
  • Question 6

Write down the number which is halfway between:

 

5000 and 7400

CORRECT ANSWER
6200
EDDIE SAYS
Find the difference between the two numbers, which here is 7400 - 5000 = 2400 Halve this difference, which here is 2400 ÷ 2 = 1200 Subtract this from the larger number, which here is 7400 - 1200 = 6200
  • Question 7

Write down the number which is halfway between:

 

5000 and 9400

CORRECT ANSWER
7200
EDDIE SAYS
Find the difference between the two numbers, which here is 9400 - 5000 = 4400 Halve this difference, which here is 4400 ÷ 2 = 2200 Subtract this from the larger number, which here is 9400 - 2200 = 7200
  • Question 8

Write down the number which is halfway between:

 

5400 and 9400

CORRECT ANSWER
7400
EDDIE SAYS
Find the mean of the two numbers by adding them together and halving the result. The total is 5400 + 9400 = 14800 Halve the result to get 14800 ÷ 2 = 7400
  • Question 9

Write down the number which is halfway between:

 

5400 and 8400

CORRECT ANSWER
6900
EDDIE SAYS
Find the mean of the two numbers by adding them together and halving the result. The total is 5400 + 8400 = 13800 Halve the result to get 13800 ÷ 2 = 6900
  • Question 10

Write down the number which is halfway between:

 

5400 and 10400

CORRECT ANSWER
7900
EDDIE SAYS
Find the mean of the two numbers by adding them together and halving the result. The total is 5400 + 10400 = 15800 Halve the result to get 15800 ÷ 2 = 7900
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