Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 873 · 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. 1.996 × 998 =
2. 2.89 × 87 =
3. 3.14 × 13 =
4. 4.11 × 14 =
5. 5.93 × 92 =
6. 6.109 × 104 =
7. 7.112 × 104 =
8. 8.92 × 92 =
9. 9.964 × 999 =
10. 10.113 × 106 =
11. 11.13 × 12 =
12. 12.104 × 86 =
13. 13.101 × 104 =
14. 14.1014 × 1001 =
15. 15.88 × 98 =
16. 16.9 × 8 =
17. 17.974 × 985 =
18. 18.9 × 8 =
19. 19.7 × 7 =
20. 20.13 × 14 =
21. 21.969 × 974 =
22. 22.98 × 85 =
23. 23.99 × 92 =
24. 24.9 × 8 =
25. 25.1011 × 985 =
26. 26.90 × 96 =
27. 27.103 × 110 =
28. 28.12 × 9 =
29. 29.1027 × 988 =
30. 30.89 × 98 =
31. 31.98 × 93 =
32. 32.991 × 999 =
33. 33.8 × 8 =
34. 34.1029 × 1007 =
35. 35.9 × 9 =
36. 36.7 × 7 =
37. 37.969 × 971 =
38. 38.6 × 9 =
39. 39.90 × 94 =
40. 40.98 × 91 =

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