Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 333 · 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. 1.97 × 85 =
2. 2.103 × 89 =
3. 3.115 × 107 =
4. 4.98 × 99 =
5. 5.86 × 92 =
6. 6.11 × 8 =
7. 7.1010 × 1039 =
8. 8.105 × 114 =
9. 9.114 × 113 =
10. 10.98 × 93 =
11. 11.14 × 9 =
12. 12.106 × 111 =
13. 13.106 × 101 =
14. 14.86 × 95 =
15. 15.114 × 110 =
16. 16.115 × 114 =
17. 17.114 × 96 =
18. 18.968 × 998 =
19. 19.90 × 98 =
20. 20.1035 × 1007 =
21. 21.12 × 11 =
22. 22.103 × 114 =
23. 23.95 × 89 =
24. 24.107 × 98 =
25. 25.111 × 85 =
26. 26.11 × 11 =
27. 27.12 × 6 =
28. 28.974 × 997 =
29. 29.88 × 99 =
30. 30.89 × 98 =
31. 31.9 × 6 =
32. 32.103 × 112 =
33. 33.14 × 8 =
34. 34.90 × 98 =
35. 35.969 × 980 =
36. 36.112 × 106 =
37. 37.11 × 12 =
38. 38.1004 × 1004 =
39. 39.104 × 113 =
40. 40.112 × 104 =

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