What number is missing (?) on the number line below?
What number is missing (?) on the number line below?
Let's first count how many points, including the number 1, there are on the number line.
Since there are 4 in total, we'll define the 0 point as the following fraction:
We can also define 1 as follows:
Finally, we can fill in each point on the number line to work out which number is represented by the question mark: