Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 910 · 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. 1.11 × 12 =
2. 2.13 × 12 =
3. 3.96 × 89 =
4. 4.98 × 88 =
5. 5.104 × 94 =
6. 6.110 × 91 =
7. 7.98 × 93 =
8. 8.85 × 95 =
9. 9.103 × 85 =
10. 10.115 × 101 =
11. 11.104 × 106 =
12. 12.11 × 12 =
13. 13.14 × 6 =
14. 14.107 × 102 =
15. 15.107 × 108 =
16. 16.101 × 109 =
17. 17.8 × 7 =
18. 18.90 × 87 =
19. 19.978 × 991 =
20. 20.997 × 993 =
21. 21.1033 × 990 =
22. 22.14 × 9 =
23. 23.105 × 109 =
24. 24.106 × 102 =
25. 25.92 × 97 =
26. 26.1008 × 978 =
27. 27.11 × 7 =
28. 28.1023 × 962 =
29. 29.114 × 111 =
30. 30.107 × 106 =
31. 31.7 × 8 =
32. 32.1008 × 1017 =
33. 33.11 × 7 =
34. 34.105 × 109 =
35. 35.95 × 97 =
36. 36.103 × 87 =
37. 37.99 × 97 =
38. 38.115 × 102 =
39. 39.91 × 88 =
40. 40.108 × 93 =

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