addition subtraction signed numbers

-4 - 4 = negative four minus four (subtract)

• 4

• 8

• -4

• -8

8 - 9 =

• 1

• unicorns

• -1

• -2

10 - (-4) = ten minus negative four (addition)

• -14

• 11

• -11

• 14

7 - (-7) = seven minus negative seven (addition)

• 0

• -0

• 14

• danger

8 + (-4) = eight plus negative four (subtraction)

• 4

• -4

• 12

• -12

20 + (-5) = twenty plus negative five (subtraction)

• 25

• 15

• -15

• -25

-10 + (-9) = negative ten plus negative nine (subtraction)

• 90

• 19

• -19

• 9

-4 + (-5) = negative 4 plus negative 5 (subtraction)

• 11

• -1

• -9

• 9

-7 + (-3) = negative seven plus negative three (subtraction)

• -10

• -4

• 10

• 4

-9 + (-9) = negative nine plus negative nine (subtraction)

• 0

• -0

• 18

• -18