Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 300 · 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. 1.93 × 89 =
2. 2.1022 × 986 =
3. 3.93 × 96 =
4. 4.1015 × 1037 =
5. 5.110 × 88 =
6. 6.12 × 7 =
7. 7.13 × 13 =
8. 8.7 × 7 =
9. 9.87 × 96 =
10. 10.109 × 96 =
11. 11.7 × 7 =
12. 12.1040 × 1018 =
13. 13.6 × 8 =
14. 14.97 × 95 =
15. 15.11 × 13 =
16. 16.14 × 9 =
17. 17.986 × 996 =
18. 18.7 × 8 =
19. 19.1036 × 999 =
20. 20.110 × 104 =
21. 21.977 × 964 =
22. 22.97 × 91 =
23. 23.1025 × 1009 =
24. 24.987 × 964 =
25. 25.99 × 89 =
26. 26.101 × 94 =
27. 27.12 × 11 =
28. 28.95 × 96 =
29. 29.9 × 7 =
30. 30.112 × 88 =
31. 31.6 × 9 =
32. 32.9 × 8 =
33. 33.1010 × 1022 =
34. 34.95 × 97 =
35. 35.13 × 9 =
36. 36.99 × 92 =
37. 37.101 × 115 =
38. 38.1008 × 982 =
39. 39.12 × 13 =
40. 40.982 × 986 =

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