10 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10

(+2) + (+4) = +6

The + sign tells us to move to the positive side. We start at +2 and move +4 to the positive side.

PositiveNegative

The - sign tells us to move to the Negative side. We start at -3 and move -1 to the Negative side.When there are two – side by side you make it into a +.

(-3) – (-2)= -5

If you have a problem that says 2×(+3) you just do 3+3 to the positive side. If you have a problem that says 2×(-3) you do 3+3 too but to the negative side.

You can use the number line to divide. For example, you want to divide 6 by some other number. First, draw a number line that begins at 0 and ends at 6. Now, to find the answer to 6 ÷ 2, just split this number line into two equal parts.