Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 766 · 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. 1.7 × 7 =
2. 2.8 × 7 =
3. 3.88 × 96 =
4. 4.98 × 97 =
5. 5.1035 × 999 =
6. 6.107 × 105 =
7. 7.92 × 99 =
8. 8.101 × 97 =
9. 9.8 × 6 =
10. 10.112 × 115 =
11. 11.1008 × 1031 =
12. 12.983 × 982 =
13. 13.104 × 88 =
14. 14.14 × 14 =
15. 15.93 × 90 =
16. 16.11 × 12 =
17. 17.91 × 99 =
18. 18.1028 × 966 =
19. 19.9 × 8 =
20. 20.11 × 11 =
21. 21.95 × 93 =
22. 22.11 × 12 =
23. 23.12 × 14 =
24. 24.9 × 6 =
25. 25.984 × 964 =
26. 26.114 × 94 =
27. 27.8 × 9 =
28. 28.86 × 91 =
29. 29.1004 × 1004 =
30. 30.114 × 109 =
31. 31.975 × 960 =
32. 32.111 × 109 =
33. 33.973 × 972 =
34. 34.9 × 6 =
35. 35.11 × 11 =
36. 36.986 × 993 =
37. 37.12 × 7 =
38. 38.105 × 111 =
39. 39.963 × 983 =
40. 40.89 × 98 =

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