Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 754 · 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. 1.110 × 102 =
2. 2.974 × 972 =
3. 3.9 × 8 =
4. 4.7 × 8 =
5. 5.6 × 6 =
6. 6.13 × 6 =
7. 7.13 × 9 =
8. 8.11 × 9 =
9. 9.1036 × 1030 =
10. 10.97 × 99 =
11. 11.114 × 110 =
12. 12.14 × 8 =
13. 13.94 × 88 =
14. 14.104 × 101 =
15. 15.111 × 106 =
16. 16.14 × 13 =
17. 17.96 × 97 =
18. 18.95 × 96 =
19. 19.89 × 85 =
20. 20.98 × 99 =
21. 21.1017 × 997 =
22. 22.13 × 8 =
23. 23.107 × 87 =
24. 24.89 × 93 =
25. 25.112 × 89 =
26. 26.105 × 99 =
27. 27.13 × 12 =
28. 28.14 × 8 =
29. 29.94 × 89 =
30. 30.109 × 92 =
31. 31.111 × 107 =
32. 32.1016 × 960 =
33. 33.109 × 93 =
34. 34.112 × 101 =
35. 35.6 × 9 =
36. 36.6 × 9 =
37. 37.87 × 89 =
38. 38.6 × 9 =
39. 39.95 × 96 =
40. 40.97 × 87 =

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