Fill in the blank in negative one
minus five equals blank.
This is a subtraction problem. And on a number line, we represent
subtraction by going to the left. Our starting point is negative one
because we’re dealing with subtraction.
We know we’ll be moving to the
left. We’re subtracting five units, and
that means we need to move to the left five times. Five units to the left of negative
one is at negative six. Negative one minus five is negative