Q1 - Find the sum of given integer -315, 14 and 36.
Q2 - Subtract - 14 from - 22.
Q3 - Find: (a) (-37) - 25 + (-19) + (-3)
(b) 40 - (-25) - (-1)
(c) (-7) + (-9) + 4 + 15
Q 4 - True or False: The predecessor of –193 is –194.
Q 5 Fill in the blanks with >, < or = sign.
(i) (–3) + (–6) ______ (–3) – (–6)
(ii) (–21) – (–10) _____ (–31) + (–10)
(iii) 45 – (–11) _____ 57 + (–3)
(iv) (–25) – (–42) _____ (–42) – (–25)
Q6 Draw a number line and answer the following.
(i) which number will we reach if we move 4 numbers to the right of –3.
(ii) Which number will we reach if we move 5 numbers to the left of 2.
(iii) If we are at –7 on the number line, in which direction should we move to reach –13.
(iv) If we are at –5 on the number line, in which direction should we move to reach –1.
Q 7 Represent the following numbers as integers with appropriate signs.
(i) An aeroplane is flying at a height two thousand meter above the ground.
(ii) A submarine is moving at a depth, eight hundred meter below the sea level.
(iii) A deposit of rupees two hundred.
(iv) Withdrawal of rupees seven hundred.
Write opposite of the following.
(i) Increase in weight (ii) 30 km east (iii) 326 BC (iv) Loss of Rs. 500
Q.9 Solve using the number line.
1) – 8 + 5 2) 5 – (-2)
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