Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 888 · 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. 1.14 × 8 =
2. 2.8 × 9 =
3. 3.103 × 101 =
4. 4.85 × 97 =
5. 5.95 × 87 =
6. 6.113 × 102 =
7. 7.111 × 91 =
8. 8.6 × 8 =
9. 9.111 × 107 =
10. 10.111 × 95 =
11. 11.7 × 7 =
12. 12.93 × 92 =
13. 13.11 × 9 =
14. 14.104 × 115 =
15. 15.12 × 13 =
16. 16.8 × 6 =
17. 17.13 × 8 =
18. 18.1035 × 1010 =
19. 19.965 × 998 =
20. 20.99 × 99 =
21. 21.94 × 89 =
22. 22.14 × 6 =
23. 23.7 × 6 =
24. 24.106 × 102 =
25. 25.101 × 94 =
26. 26.97 × 87 =
27. 27.99 × 87 =
28. 28.95 × 85 =
29. 29.11 × 8 =
30. 30.115 × 102 =
31. 31.108 × 88 =
32. 32.115 × 90 =
33. 33.9 × 9 =
34. 34.97 × 96 =
35. 35.104 × 114 =
36. 36.85 × 90 =
37. 37.9 × 6 =
38. 38.12 × 13 =
39. 39.92 × 85 =
40. 40.993 × 980 =

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