Question

Q 6 Subtract. (i) 5 from 9 (ii) 0 from +39 (iii) -55 from +55 (iv) -59 from - 100 Q 7 Draw a number and answer the following:
(i) Which number will we reach if we move 4 numbers to the right of–2?
(ii) Which number will we reach if we move 5 numbers to the left of1?
(iii) If we are at –8 on the number line, in which direction should we move to reach–13?
(iv) If we are at –6 on the number line, in which direction should we move to reach–1?
Q 7 Is there any integer which is neither positive nor negative?
Q 8For each of the following statements, write true (T) or false (F): (i) -13 > -8 –(-4) (ii) (-5) +
(-2) < 7

Answer 1

Answer:

Q.6)

i) 9-5=4

ii) 55-55=0

iii) -100 -59= -159

Q.7) (a)

i) 2

ii) -4

iii) We should move towards the left to get -13

iv) We should move towards the right to get -1

Q.7) (b)

Zero (0) is the integer which is neither positive nor negative.

Q.8)

i) -13 > -8 - (-4)

  -13 > -4 is FALSE

ii) (-5) + (-2) < 7

  -7<7 is TRUE

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