Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 236 · 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 × 93 =
2. 2.98 × 97 =
3. 3.14 × 9 =
4. 4.103 × 96 =
5. 5.992 × 993 =
6. 6.94 × 89 =
7. 7.110 × 92 =
8. 8.12 × 9 =
9. 9.103 × 111 =
10. 10.101 × 104 =
11. 11.9 × 7 =
12. 12.90 × 99 =
13. 13.7 × 9 =
14. 14.103 × 94 =
15. 15.96 × 95 =
16. 16.98 × 92 =
17. 17.102 × 112 =
18. 18.9 × 9 =
19. 19.99 × 94 =
20. 20.7 × 6 =
21. 21.90 × 88 =
22. 22.11 × 9 =
23. 23.999 × 991 =
24. 24.113 × 103 =
25. 25.106 × 93 =
26. 26.91 × 99 =
27. 27.115 × 97 =
28. 28.11 × 11 =
29. 29.1033 × 987 =
30. 30.13 × 7 =
31. 31.1002 × 1039 =
32. 32.14 × 9 =
33. 33.969 × 981 =
34. 34.91 × 90 =
35. 35.1007 × 968 =
36. 36.1023 × 977 =
37. 37.973 × 977 =
38. 38.85 × 99 =
39. 39.1038 × 1003 =
40. 40.6 × 9 =

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