Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 345 · 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. 1.87 × 89 =
2. 2.962 × 998 =
3. 3.8 × 8 =
4. 4.101 × 114 =
5. 5.87 × 89 =
6. 6.90 × 95 =
7. 7.8 × 8 =
8. 8.974 × 979 =
9. 9.105 × 113 =
10. 10.105 × 97 =
11. 11.99 × 88 =
12. 12.98 × 96 =
13. 13.1015 × 989 =
14. 14.102 × 93 =
15. 15.11 × 13 =
16. 16.97 × 91 =
17. 17.996 × 984 =
18. 18.96 × 90 =
19. 19.102 × 92 =
20. 20.6 × 8 =
21. 21.107 × 113 =
22. 22.8 × 9 =
23. 23.7 × 9 =
24. 24.1021 × 994 =
25. 25.970 × 973 =
26. 26.14 × 12 =
27. 27.13 × 12 =
28. 28.990 × 990 =
29. 29.1013 × 962 =
30. 30.96 × 86 =
31. 31.8 × 7 =
32. 32.86 × 94 =
33. 33.11 × 14 =
34. 34.104 × 98 =
35. 35.8 × 7 =
36. 36.13 × 11 =
37. 37.103 × 92 =
38. 38.113 × 107 =
39. 39.115 × 96 =
40. 40.8 × 6 =

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