Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 10 · 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. 1.96 × 87 =
2. 2.104 × 101 =
3. 3.91 × 96 =
4. 4.962 × 973 =
5. 5.13 × 8 =
6. 6.1033 × 969 =
7. 7.98 × 87 =
8. 8.12 × 11 =
9. 9.112 × 107 =
10. 10.6 × 8 =
11. 11.92 × 86 =
12. 12.86 × 85 =
13. 13.12 × 13 =
14. 14.109 × 85 =
15. 15.1034 × 1027 =
16. 16.97 × 88 =
17. 17.89 × 95 =
18. 18.1014 × 1021 =
19. 19.108 × 111 =
20. 20.88 × 99 =
21. 21.86 × 90 =
22. 22.92 × 91 =
23. 23.88 × 96 =
24. 24.1037 × 975 =
25. 25.1012 × 963 =
26. 26.114 × 102 =
27. 27.97 × 92 =
28. 28.13 × 8 =
29. 29.1017 × 970 =
30. 30.972 × 991 =
31. 31.104 × 91 =
32. 32.103 × 115 =
33. 33.1028 × 1008 =
34. 34.12 × 8 =
35. 35.95 × 89 =
36. 36.1026 × 1034 =
37. 37.11 × 12 =
38. 38.13 × 11 =
39. 39.113 × 92 =
40. 40.1023 × 1028 =

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