Add and Subtract Negative Numbers

+ walk forwards - walk backwards “-2 ADD POSITIVE THREE” -2 + 3 + walk forwards - walk backwards  start here + face right - face left  -3 -2 -1 0 1 2 3

1 + 1 = 2  +1 “1 ADD POSITIVE ONE” -3 -2 -1 0 1 2 3 ADD – Face POSITIVE ADD POSITIVE – Walk FORWARDS +1 -3 -2 -1 0 1 2 3 = 2

-2 + 3 = 1  +3 “NEGATIVE TWO ADD POSITIVE THREE” -3 -2 -1 0 1 2 3 ADD – Face POSITIVE ADD POSITIVE – Walk FORWARDS +3 -3 -2 -1 0 1 2 3 = 1

1 + -1 = 0  -1 “1 ADD NEGATIVE ONE” -3 -2 -1 0 1 2 3 ADD – Face POSITIVE ADD NEGATIVE – Walk BACKWARDS -1 -3 -2 -1 0 1 2 3 = 0

1 - 2 = -1  -2 “1 TAKE AWAY (POSITIVE) TWO” -3 -2 -1 0 1 2 3 TAKE AWAY – Face NEGATIVE TAKE AWAY POSITIVE – Walk FORWARDS -2 -3 -2 -1 0 1 2 3 = -1

-1 - -2 = 1  -2 “NEGATIVE 1 TAKE AWAY NEGATIVE TWO” -3 -2 -1 0 1 2 3 TAKE AWAY – Face NEGATIVE TAKE AWAY NEGATIVE – Walk BACKWARDS -2 -3 -2 -1 0 1 2 3 = 1