
When you ask "What number is halfway between 8 and 998?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=8 and Y=998.

To find the number halfway between 8 and 998, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 8 and 998 into our formula, we get:
(8 + 998)/2 = 503
Thus, the number halfway between 8 and 998 is 503.
To check that our answer is correct, we subtract 8 from 503 and subtract 503 from 998 and compare the two numbers:
503 - 8 = 495
998 - 503 = 495
As you can see, the halfway number is 495 higher than 8 and 495 lower than 998. Therefore, our halfway between answer of 503 above is correct.
Halfway Between
Find halfway between two other numbers here!
Halfway Between 8 and 999
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