Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 634 · 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. 1.101 × 86 =
2. 2.111 × 93 =
3. 3.6 × 9 =
4. 4.104 × 107 =
5. 5.12 × 13 =
6. 6.98 × 96 =
7. 7.95 × 90 =
8. 8.88 × 90 =
9. 9.114 × 112 =
10. 10.101 × 104 =
11. 11.975 × 964 =
12. 12.96 × 95 =
13. 13.12 × 14 =
14. 14.8 × 6 =
15. 15.113 × 94 =
16. 16.14 × 14 =
17. 17.87 × 86 =
18. 18.101 × 94 =
19. 19.981 × 997 =
20. 20.8 × 9 =
21. 21.14 × 14 =
22. 22.1002 × 1001 =
23. 23.8 × 9 =
24. 24.970 × 989 =
25. 25.98 × 91 =
26. 26.6 × 9 =
27. 27.114 × 85 =
28. 28.107 × 96 =
29. 29.1001 × 1015 =
30. 30.1003 × 971 =
31. 31.87 × 87 =
32. 32.102 × 108 =
33. 33.104 × 109 =
34. 34.104 × 111 =
35. 35.1008 × 970 =
36. 36.1011 × 1004 =
37. 37.14 × 8 =
38. 38.104 × 105 =
39. 39.94 × 98 =
40. 40.107 × 94 =

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