Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 621 · 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. 1.979 × 960 =
2. 2.9 × 8 =
3. 3.101 × 88 =
4. 4.1031 × 1023 =
5. 5.109 × 107 =
6. 6.97 × 99 =
7. 7.11 × 11 =
8. 8.1001 × 1004 =
9. 9.987 × 992 =
10. 10.110 × 106 =
11. 11.12 × 11 =
12. 12.93 × 98 =
13. 13.1033 × 1020 =
14. 14.102 × 112 =
15. 15.14 × 13 =
16. 16.971 × 985 =
17. 17.114 × 85 =
18. 18.106 × 94 =
19. 19.8 × 8 =
20. 20.86 × 85 =
21. 21.9 × 8 =
22. 22.102 × 113 =
23. 23.11 × 9 =
24. 24.11 × 8 =
25. 25.105 × 101 =
26. 26.1011 × 966 =
27. 27.98 × 87 =
28. 28.14 × 9 =
29. 29.14 × 14 =
30. 30.6 × 7 =
31. 31.110 × 93 =
32. 32.960 × 993 =
33. 33.11 × 12 =
34. 34.95 × 88 =
35. 35.110 × 96 =
36. 36.99 × 97 =
37. 37.95 × 99 =
38. 38.104 × 99 =
39. 39.1018 × 962 =
40. 40.14 × 12 =

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