Question

Can you write more pairs in these examples?
EXERCISE 1.2
1. Write down a pair of integers whose:
(a) sum is - 7 (b) difference is -10 (c) sumiso
2. (a) Write a pair of negative integers whose difference gives 8.
(b) Write a negative integer and a positive integer whose sumis-5.
(c) Write a negative integer and a positive integer whose difference is -3.
3. In a quiz, team A scored - 40, 10,0 and team B scored 10.0.- 40 in three successive
rounds. Which team scored more? Can we say that we can add integers in
any order?
4. Fill in the blanks to make the following statements true:
(0) (-5)+(-8)= (-8) + (............)
(i) -53 + ............ = -53
(iii) 17 + ............ = 0
(iv) [13+ (- 12)] + ............) = 13+ [(-12)+(-7)
(V) (-4) + [15+(-3)] = [-4+15] + ...........​

Answer 1

1.b.difference is 10

2.negative gives 8

3.200456

4.i)5

ii)53

iii)0

iv)7

v)3