ACTION RESEARCH

Find the sum of the following:

(-9)+8

• -1

• -17

• 1

• 17

Find the sum of the following:

20 + (-25)

• -45

• 45

• -5

• 5

Find the sum of the following:

30 + (-14)

• -44

• 16

• -16

• 44

Find the sum of the following:

9+20

• 11

• 29

• -29

• -11

Find the sum of the following:

(-16)+(-30)

• 14

• -14

• 46

• -46

Find the DIFFERENCE of the following:

(-25) – (-30)

• 5

• -5

• -55

• 55

Find the DIFFERENCE of the following:

(-14) – 21

• -35

• 35

• 7

• -7

Find the DIFFERENCE of the following:

10 – 30

• 20

• -20

• 1/20

• 0.20

Find the DIFFERENCE of the following:

21 – (-24)

• -45

• 45

• -3

• 3

Find the DIFFERENCE of the following:

17 – (-18)

• -1

• 1

• -35

• 35