Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 171 · 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. 1.97 × 96 =
2. 2.98 × 88 =
3. 3.94 × 87 =
4. 4.9 × 7 =
5. 5.6 × 6 =
6. 6.11 × 9 =
7. 7.104 × 85 =
8. 8.11 × 14 =
9. 9.13 × 6 =
10. 10.8 × 9 =
11. 11.14 × 11 =
12. 12.7 × 8 =
13. 13.1038 × 972 =
14. 14.12 × 11 =
15. 15.7 × 9 =
16. 16.108 × 95 =
17. 17.964 × 987 =
18. 18.7 × 9 =
19. 19.994 × 980 =
20. 20.96 × 95 =
21. 21.97 × 88 =
22. 22.1028 × 1017 =
23. 23.960 × 986 =
24. 24.85 × 93 =
25. 25.1014 × 967 =
26. 26.97 × 96 =
27. 27.114 × 88 =
28. 28.94 × 95 =
29. 29.1019 × 1021 =
30. 30.7 × 8 =
31. 31.91 × 97 =
32. 32.12 × 8 =
33. 33.105 × 114 =
34. 34.107 × 107 =
35. 35.7 × 9 =
36. 36.9 × 6 =
37. 37.9 × 7 =
38. 38.14 × 6 =
39. 39.87 × 95 =
40. 40.91 × 87 =

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