Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 876 · 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. 1.13 × 14 =
2. 2.104 × 107 =
3. 3.8 × 7 =
4. 4.990 × 995 =
5. 5.102 × 99 =
6. 6.105 × 98 =
7. 7.102 × 107 =
8. 8.101 × 85 =
9. 9.12 × 11 =
10. 10.7 × 9 =
11. 11.11 × 7 =
12. 12.6 × 6 =
13. 13.109 × 113 =
14. 14.96 × 96 =
15. 15.1033 × 1040 =
16. 16.6 × 8 =
17. 17.89 × 96 =
18. 18.8 × 8 =
19. 19.993 × 983 =
20. 20.6 × 9 =
21. 21.91 × 99 =
22. 22.8 × 9 =
23. 23.88 × 98 =
24. 24.107 × 92 =
25. 25.96 × 95 =
26. 26.112 × 105 =
27. 27.13 × 13 =
28. 28.115 × 103 =
29. 29.11 × 9 =
30. 30.12 × 14 =
31. 31.1005 × 1014 =
32. 32.7 × 9 =
33. 33.99 × 91 =
34. 34.9 × 9 =
35. 35.8 × 7 =
36. 36.88 × 98 =
37. 37.87 × 94 =
38. 38.91 × 97 =
39. 39.87 × 86 =
40. 40.89 × 87 =

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