a line with the median marked with 0. if you go to the right of 0 you find positive numbers. If you go to the left of 0 you will get negative numbers.
It is 105.
It is at zero = 0
A ruler
In the middle of 0.4 and 0.5
ambot nimo lolo nimo
You ca see it no a numberline]
make a numberline
beacause they both go chronological order
They are unit intervals.
4 units
-12
Then B is to the left of A on the number line.