Question

Complete each of these tables. What do you notice?

Answer 1

Answer no 1

Step1: 8+(-8)

Step2:8-8=0

Answer no 2

Step 1: 8-8=0 eight cancel from eight

Answer no 3

Step 1: 8+(-5)

Step2: 8-5=3

Answer no 4

Step1: 8-5=3

Answer no 5

Step 1: 8+(-12)

Step 2: 8-12 = -4

Answer no 6

Step 1: 8-12= -4

Answer 2

0

0

3

3

-4

-4

Explanation:

they have the same value for each couple