Question 1 - Figure it out (Page 41, 42) - Chapter 2 Class 7 - Arithmetic Expressions (Ganita Prakash)

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Question 1 Fill in the blanks with numbers, and boxes by signs, so that the expressions on both sides are equal. (a) 3 × (6 + 7) = 3 × 6 + 3 × 7 (b) (8 + 3) × 4 = 8 × 4 + 3 × 4 (c) 3 × (5 + 8) = 3 × 5 3 × ____ (d) (9 + 2) × 4 = 9 × 4 2 × ____ (e) 3 × (____ + 4) = 3 ____ + ____ (f) (____ + 6) × 4 = 13 × 4 + ___ (g) 3 × (____+____) = 3 × 5 + 3 × 2 (h) (___+____)× ____ = 2 × 4 + 3 × 4 (i) 5 × (9 – 2) = 5 × 9 – 5 × ____ Answer: (c) 3 × (5 + 8) = 3 × 5 + 3 × 8 (d) (9 + 2) × 4 = 9 × 4 + 2 × 4 (e) 3 × (5 + 4) = 3 × 5 + 3 × 4 (f) (13 + 6) × 4 = 13 × 4 + 6 × 4 (g) 3 × (5 + 2) = 3 × 5 + 3 × 2 (h) (2 + 3) × 4= 2 × 4 + 3 × 4 (i) 5 × (9 – 2) = 5 × 9 – 5 × 2 (j) (5 – 2) × 7 = 5 × 7 – 2 × ____ (k) 5 × (8 – 3) = 5 × 8 5 × ____ (l) (8 – 3) × 7 = 8 × 7 3 × 7 (m) 5 × (12 – ____) = 5 × ____ (n) (15 – ____) × 7 = ____ 6 × 7 (o) 5 × (___ – ____) = 5 × 9 – 5 × 4 (p) (___ – ___) × ____ = 17 × 7 – 9 × 7 (j) (5 – 2) × 7 = 5 × 7 – 2 × 7 (k) 5 × (8 – 3) = 5 × 8 – 5 × 3 (l) (8 – 3) × 7 = 8 × 7 – 3 × 7 (m) 5 × (12 – 2) = 5 × 10 (n) (15 – 6) × 7 = 15 × 7 – 6 × 7 (o) 5 × (9 – 4) = 5 × 9 – 5 × 4 (p) (17 – 9) × 7 = 17 × 7 – 9 × 7