Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 847 · 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. 1.6 × 8 =
2. 2.94 × 95 =
3. 3.96 × 85 =
4. 4.12 × 9 =
5. 5.1035 × 1032 =
6. 6.13 × 12 =
7. 7.90 × 87 =
8. 8.1012 × 991 =
9. 9.96 × 97 =
10. 10.99 × 94 =
11. 11.12 × 6 =
12. 12.92 × 88 =
13. 13.13 × 11 =
14. 14.9 × 6 =
15. 15.102 × 85 =
16. 16.6 × 7 =
17. 17.98 × 95 =
18. 18.12 × 6 =
19. 19.87 × 91 =
20. 20.7 × 7 =
21. 21.93 × 97 =
22. 22.12 × 9 =
23. 23.985 × 972 =
24. 24.1002 × 1040 =
25. 25.95 × 98 =
26. 26.92 × 97 =
27. 27.114 × 85 =
28. 28.105 × 98 =
29. 29.1012 × 1025 =
30. 30.86 × 97 =
31. 31.103 × 85 =
32. 32.108 × 110 =
33. 33.8 × 7 =
34. 34.90 × 99 =
35. 35.979 × 989 =
36. 36.98 × 89 =
37. 37.88 × 91 =
38. 38.91 × 89 =
39. 39.6 × 9 =
40. 40.94 × 87 =

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