Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 563 · 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. 1.8 × 8 =
2. 2.7 × 6 =
3. 3.90 × 92 =
4. 4.113 × 93 =
5. 5.985 × 971 =
6. 6.108 × 108 =
7. 7.6 × 8 =
8. 8.96 × 95 =
9. 9.99 × 97 =
10. 10.113 × 113 =
11. 11.8 × 6 =
12. 12.103 × 104 =
13. 13.13 × 12 =
14. 14.988 × 971 =
15. 15.88 × 93 =
16. 16.11 × 12 =
17. 17.109 × 107 =
18. 18.13 × 8 =
19. 19.12 × 13 =
20. 20.8 × 6 =
21. 21.112 × 105 =
22. 22.1022 × 997 =
23. 23.1032 × 1039 =
24. 24.12 × 6 =
25. 25.12 × 8 =
26. 26.970 × 985 =
27. 27.1012 × 973 =
28. 28.96 × 93 =
29. 29.99 × 97 =
30. 30.102 × 102 =
31. 31.14 × 11 =
32. 32.114 × 112 =
33. 33.9 × 8 =
34. 34.95 × 87 =
35. 35.102 × 102 =
36. 36.114 × 97 =
37. 37.90 × 99 =
38. 38.87 × 93 =
39. 39.8 × 7 =
40. 40.115 × 103 =

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