Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 887 · 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. 1.971 × 987 =
2. 2.113 × 110 =
3. 3.109 × 92 =
4. 4.11 × 7 =
5. 5.97 × 87 =
6. 6.11 × 8 =
7. 7.93 × 89 =
8. 8.6 × 8 =
9. 9.109 × 86 =
10. 10.7 × 9 =
11. 11.11 × 9 =
12. 12.97 × 87 =
13. 13.9 × 8 =
14. 14.8 × 9 =
15. 15.115 × 86 =
16. 16.1008 × 1002 =
17. 17.114 × 114 =
18. 18.13 × 14 =
19. 19.990 × 984 =
20. 20.95 × 96 =
21. 21.7 × 8 =
22. 22.112 × 107 =
23. 23.107 × 107 =
24. 24.8 × 7 =
25. 25.108 × 99 =
26. 26.6 × 6 =
27. 27.972 × 977 =
28. 28.110 × 115 =
29. 29.108 × 110 =
30. 30.91 × 93 =
31. 31.13 × 11 =
32. 32.88 × 93 =
33. 33.9 × 9 =
34. 34.11 × 7 =
35. 35.14 × 12 =
36. 36.1040 × 988 =
37. 37.110 × 92 =
38. 38.12 × 6 =
39. 39.98 × 91 =
40. 40.93 × 87 =

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