Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 844 · 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. 1.9 × 6 =
2. 2.14 × 14 =
3. 3.8 × 6 =
4. 4.7 × 7 =
5. 5.107 × 112 =
6. 6.8 × 8 =
7. 7.114 × 95 =
8. 8.104 × 90 =
9. 9.112 × 101 =
10. 10.102 × 113 =
11. 11.9 × 7 =
12. 12.1028 × 1017 =
13. 13.98 × 99 =
14. 14.89 × 99 =
15. 15.110 × 110 =
16. 16.98 × 96 =
17. 17.1032 × 981 =
18. 18.107 × 85 =
19. 19.98 × 93 =
20. 20.105 × 89 =
21. 21.95 × 95 =
22. 22.106 × 101 =
23. 23.94 × 97 =
24. 24.1005 × 981 =
25. 25.105 × 104 =
26. 26.972 × 997 =
27. 27.98 × 89 =
28. 28.110 × 106 =
29. 29.103 × 91 =
30. 30.7 × 9 =
31. 31.7 × 6 =
32. 32.998 × 999 =
33. 33.103 × 106 =
34. 34.114 × 95 =
35. 35.963 × 985 =
36. 36.12 × 9 =
37. 37.101 × 86 =
38. 38.6 × 8 =
39. 39.104 × 89 =
40. 40.9 × 9 =

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