Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 812 · 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. 1.111 × 115 =
2. 2.109 × 88 =
3. 3.101 × 106 =
4. 4.92 × 99 =
5. 5.6 × 7 =
6. 6.14 × 14 =
7. 7.13 × 7 =
8. 8.106 × 103 =
9. 9.992 × 984 =
10. 10.9 × 8 =
11. 11.12 × 14 =
12. 12.96 × 97 =
13. 13.13 × 9 =
14. 14.110 × 114 =
15. 15.12 × 13 =
16. 16.13 × 14 =
17. 17.968 × 995 =
18. 18.105 × 102 =
19. 19.111 × 94 =
20. 20.101 × 98 =
21. 21.967 × 970 =
22. 22.12 × 14 =
23. 23.9 × 7 =
24. 24.88 × 88 =
25. 25.13 × 14 =
26. 26.93 × 87 =
27. 27.9 × 8 =
28. 28.1001 × 998 =
29. 29.108 × 104 =
30. 30.97 × 98 =
31. 31.97 × 99 =
32. 32.967 × 993 =
33. 33.112 × 99 =
34. 34.87 × 94 =
35. 35.96 × 94 =
36. 36.6 × 9 =
37. 37.106 × 115 =
38. 38.105 × 108 =
39. 39.1040 × 975 =
40. 40.107 × 96 =

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