Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 598 · 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. 1.95 × 95 =
2. 2.1017 × 974 =
3. 3.8 × 9 =
4. 4.1029 × 1025 =
5. 5.101 × 99 =
6. 6.11 × 11 =
7. 7.978 × 980 =
8. 8.103 × 98 =
9. 9.110 × 97 =
10. 10.86 × 87 =
11. 11.991 × 998 =
12. 12.109 × 114 =
13. 13.104 × 98 =
14. 14.109 × 113 =
15. 15.961 × 976 =
16. 16.7 × 6 =
17. 17.110 × 109 =
18. 18.11 × 14 =
19. 19.115 × 104 =
20. 20.104 × 87 =
21. 21.93 × 94 =
22. 22.111 × 92 =
23. 23.91 × 89 =
24. 24.1040 × 1021 =
25. 25.102 × 112 =
26. 26.6 × 7 =
27. 27.1033 × 984 =
28. 28.89 × 96 =
29. 29.99 × 88 =
30. 30.103 × 97 =
31. 31.967 × 998 =
32. 32.90 × 99 =
33. 33.983 × 970 =
34. 34.112 × 97 =
35. 35.1002 × 990 =
36. 36.91 × 89 =
37. 37.1022 × 985 =
38. 38.988 × 975 =
39. 39.113 × 96 =
40. 40.1033 × 996 =

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