Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 714 · 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. 1.13 × 9 =
2. 2.98 × 94 =
3. 3.1028 × 984 =
4. 4.101 × 93 =
5. 5.12 × 9 =
6. 6.99 × 90 =
7. 7.966 × 978 =
8. 8.11 × 9 =
9. 9.102 × 89 =
10. 10.11 × 13 =
11. 11.995 × 996 =
12. 12.1014 × 1022 =
13. 13.107 × 106 =
14. 14.104 × 110 =
15. 15.112 × 91 =
16. 16.99 × 96 =
17. 17.99 × 85 =
18. 18.12 × 9 =
19. 19.85 × 97 =
20. 20.95 × 89 =
21. 21.114 × 91 =
22. 22.99 × 99 =
23. 23.13 × 12 =
24. 24.977 × 996 =
25. 25.8 × 8 =
26. 26.87 × 99 =
27. 27.115 × 91 =
28. 28.9 × 8 =
29. 29.112 × 101 =
30. 30.6 × 7 =
31. 31.111 × 99 =
32. 32.99 × 96 =
33. 33.87 × 90 =
34. 34.110 × 86 =
35. 35.11 × 7 =
36. 36.6 × 6 =
37. 37.113 × 97 =
38. 38.95 × 95 =
39. 39.94 × 86 =
40. 40.9 × 7 =

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