Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 242 · 40 sums

The trick (Nikhilam Navatashcaramam Dashatah): Write how far each number is from the base (− if below, + if above). Left part: cross-add — one number plus the other’s difference. Right part: multiply the two differences; it must have as many digits as the base has zeros (carry the extra). One above and one below? The right part is negative: take 1 from the left part and write base − that amount.

1. 1.12 × 7 =
2. 2.9 × 8 =
3. 3.14 × 7 =
4. 4.110 × 114 =
5. 5.13 × 9 =
6. 6.109 × 99 =
7. 7.978 × 964 =
8. 8.12 × 14 =
9. 9.7 × 6 =
10. 10.7 × 6 =
11. 11.102 × 98 =
12. 12.8 × 9 =
13. 13.13 × 6 =
14. 14.101 × 110 =
15. 15.110 × 109 =
16. 16.96 × 99 =
17. 17.7 × 8 =
18. 18.85 × 91 =
19. 19.999 × 977 =
20. 20.87 × 95 =
21. 21.6 × 6 =
22. 22.7 × 7 =
23. 23.109 × 106 =
24. 24.90 × 91 =
25. 25.12 × 14 =
26. 26.113 × 87 =
27. 27.965 × 978 =
28. 28.87 × 91 =
29. 29.8 × 9 =
30. 30.963 × 996 =
31. 31.12 × 14 =
32. 32.12 × 8 =
33. 33.92 × 99 =
34. 34.86 × 94 =
35. 35.97 × 95 =
36. 36.101 × 89 =
37. 37.975 × 988 =
38. 38.105 × 87 =
39. 39.1036 × 983 =
40. 40.112 × 90 =

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