Page 34 - GK Class 05

29 Number Fun

Use your skills to solve the given sums and enjoy this game of numbers.

1 2
100 – 81 = 19 1 × 9 + 1 = 10

81 – 64 = 17 11 × 9 + 1 = 100

64 – 49 = 15 111 × 9 + 1 = 1000

___________ = ________ 1111 × 9 + 1 = ________

4
3 2178 × 4 = 8712
4 × 4 = 1 + 2 + 3 + 4 + 3 + 2 + 1
21978 × 4 = 87912

5 × 5 = 1 + 2 + 3 + 4 + 5 + 4 + 3 + 2 + 1
219978 × 4 = 879912
6 × 6 = 1 + 2 + 3 + 4 + 5 + 6 + 5 + 4 + 3 + 2 + 1
2199978 × 4 = 8799912
7 × 7 = _________________________________
21999978 × 4 = ________

5 6
1 × 9 – 1 = 8 7 × 9 = 63

21 × 9 – 1 = 188 77 × 99 = 7623

321 × 9 – 1 = 2888 777 × 999 = 776223

4321 × 9 – 1 = 38888 7777 × 9999 = 77762223

54321 × 9 – 1 = __________ 77777 × 99999 = ___________

GK-5 34