Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 900 · 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. 1.101 × 98 =
2. 2.106 × 115 =
3. 3.14 × 13 =
4. 4.93 × 94 =
5. 5.14 × 14 =
6. 6.107 × 87 =
7. 7.105 × 95 =
8. 8.13 × 8 =
9. 9.9 × 9 =
10. 10.102 × 99 =
11. 11.103 × 94 =
12. 12.91 × 88 =
13. 13.11 × 6 =
14. 14.102 × 110 =
15. 15.97 × 92 =
16. 16.9 × 9 =
17. 17.95 × 97 =
18. 18.94 × 96 =
19. 19.99 × 88 =
20. 20.962 × 969 =
21. 21.106 × 91 =
22. 22.113 × 85 =
23. 23.14 × 14 =
24. 24.88 × 85 =
25. 25.9 × 6 =
26. 26.98 × 91 =
27. 27.8 × 7 =
28. 28.14 × 9 =
29. 29.7 × 6 =
30. 30.1008 × 1034 =
31. 31.107 × 111 =
32. 32.995 × 996 =
33. 33.88 × 91 =
34. 34.115 × 102 =
35. 35.1020 × 965 =
36. 36.7 × 7 =
37. 37.8 × 6 =
38. 38.995 × 960 =
39. 39.101 × 114 =
40. 40.9 × 7 =

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