Question

Let Us Practise 4.3 (iii) (-3) + (-6) (vi) 2+(-5) + 8 1. Find the sum of the following: (1) 9+(-5) (ii) 6+(-13) (iv) (-7) + 18 (0) 18 + 7 +(-5) 2. Add without using number line: (1) 11 + (-7) (ii) (-21) + (+92) (iv) (-252) + (-45) (0) (-381) + (-229) 3. Find the sum of: (1) -10, 75, 39 and -21 (iii) -25, +45, -31, +84 and -91 (iii) (-13) + (-19) (vi) (-323) + (123) (ii) -312, 198, 14 and -102 (iv) 17, -19, -23, -26 and 65 4. Find the value of: (1) -10 +92 + (-15) + (-17) (ii) -18 +21 + (-23) + (-5) (iii) (-71) + (85) + (-78) + (29) (iv) 37 +(-24) + (-8) +9+ (-17) 5. Find the additive inverse of the following integers: (1) -12 (ii) -371 (iii) 49 (10) 8 (2) o (vi) 75 (vii) -21 (viii) -18​

Answer 1

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