Question

Explain how you could use a number line to show that -4 + 3 and 3 + (-4) have the same value

Answer 1

-4 -3 -2 -1 0 1 2 3
I______I_______I_______I_______I_______I_______I_______I

* start here, and ADD NEGATIVE 3... you go to 1

* start here, SUBTRACT 4 you go to -1

in other words adding a negative is the same as subtracting a postitve