Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 534 · 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. 1.993 × 979 =
2. 2.109 × 99 =
3. 3.14 × 9 =
4. 4.1004 × 977 =
5. 5.111 × 108 =
6. 6.11 × 11 =
7. 7.1037 × 1039 =
8. 8.103 × 101 =
9. 9.99 × 88 =
10. 10.8 × 6 =
11. 11.115 × 93 =
12. 12.6 × 9 =
13. 13.98 × 85 =
14. 14.1015 × 1007 =
15. 15.94 × 91 =
16. 16.6 × 6 =
17. 17.87 × 92 =
18. 18.1011 × 981 =
19. 19.12 × 13 =
20. 20.93 × 95 =
21. 21.94 × 94 =
22. 22.13 × 8 =
23. 23.9 × 9 =
24. 24.88 × 96 =
25. 25.106 × 93 =
26. 26.108 × 113 =
27. 27.6 × 7 =
28. 28.1002 × 1040 =
29. 29.103 × 95 =
30. 30.7 × 8 =
31. 31.101 × 108 =
32. 32.6 × 9 =
33. 33.91 × 97 =
34. 34.999 × 999 =
35. 35.108 × 103 =
36. 36.101 × 109 =
37. 37.1030 × 1023 =
38. 38.1035 × 990 =
39. 39.14 × 8 =
40. 40.11 × 7 =

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