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This activity is about finding a number halfway between two other numbers.
Example
Write the number halfway between the two numbers.
| 34 | 42 |
Answer
We move in four numbers, step by step from 34 and 42 to get to 38.
35, 36, 37, 38, 39, 40, 41
Sometimes, we don't have a number line to look at or it is hard to count the steps, so there is another way we can work it out.
1) We find the difference between the two numbers: 42 - 34 = 8
2) We halve 8: 8 ÷ 2 = 4
3) We add 4 on to the lower number: 34 + 4 = 38
So, 38 is the number halfway between 34 and 42.
Which method do you find easier to do?
