Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 578 · 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 × 6 =
2. 2.104 × 107 =
3. 3.11 × 11 =
4. 4.110 × 113 =
5. 5.113 × 86 =
6. 6.87 × 87 =
7. 7.88 × 86 =
8. 8.1006 × 977 =
9. 9.115 × 92 =
10. 10.13 × 13 =
11. 11.113 × 115 =
12. 12.14 × 14 =
13. 13.1033 × 994 =
14. 14.11 × 9 =
15. 15.102 × 99 =
16. 16.93 × 88 =
17. 17.99 × 97 =
18. 18.1039 × 1017 =
19. 19.92 × 90 =
20. 20.112 × 94 =
21. 21.112 × 93 =
22. 22.91 × 92 =
23. 23.985 × 990 =
24. 24.97 × 89 =
25. 25.110 × 88 =
26. 26.96 × 87 =
27. 27.1006 × 975 =
28. 28.14 × 12 =
29. 29.101 × 87 =
30. 30.106 × 111 =
31. 31.106 × 87 =
32. 32.101 × 115 =
33. 33.90 × 93 =
34. 34.9 × 9 =
35. 35.115 × 115 =
36. 36.104 × 95 =
37. 37.111 × 109 =
38. 38.114 × 92 =
39. 39.112 × 87 =
40. 40.9 × 8 =

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