Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 430 · 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. 1.11 × 8 =
2. 2.983 × 968 =
3. 3.104 × 89 =
4. 4.97 × 93 =
5. 5.99 × 99 =
6. 6.97 × 95 =
7. 7.7 × 7 =
8. 8.112 × 103 =
9. 9.94 × 93 =
10. 10.8 × 8 =
11. 11.11 × 12 =
12. 12.115 × 91 =
13. 13.14 × 12 =
14. 14.11 × 6 =
15. 15.89 × 99 =
16. 16.106 × 96 =
17. 17.104 × 99 =
18. 18.87 × 99 =
19. 19.99 × 99 =
20. 20.1034 × 998 =
21. 21.89 × 94 =
22. 22.1008 × 973 =
23. 23.11 × 12 =
24. 24.7 × 7 =
25. 25.109 × 90 =
26. 26.104 × 87 =
27. 27.7 × 6 =
28. 28.997 × 990 =
29. 29.13 × 11 =
30. 30.14 × 14 =
31. 31.962 × 972 =
32. 32.104 × 101 =
33. 33.14 × 11 =
34. 34.114 × 110 =
35. 35.6 × 9 =
36. 36.101 × 101 =
37. 37.112 × 104 =
38. 38.111 × 99 =
39. 39.14 × 7 =
40. 40.1036 × 1030 =

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