Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 706 · 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. 1.6 × 6 =
2. 2.90 × 90 =
3. 3.113 × 113 =
4. 4.115 × 97 =
5. 5.96 × 89 =
6. 6.110 × 112 =
7. 7.964 × 970 =
8. 8.85 × 99 =
9. 9.1007 × 1016 =
10. 10.85 × 87 =
11. 11.6 × 9 =
12. 12.87 × 96 =
13. 13.96 × 91 =
14. 14.13 × 12 =
15. 15.1017 × 962 =
16. 16.964 × 980 =
17. 17.8 × 8 =
18. 18.98 × 97 =
19. 19.103 × 110 =
20. 20.12 × 11 =
21. 21.12 × 6 =
22. 22.1028 × 1021 =
23. 23.115 × 98 =
24. 24.115 × 101 =
25. 25.92 × 93 =
26. 26.113 × 114 =
27. 27.92 × 88 =
28. 28.95 × 85 =
29. 29.9 × 9 =
30. 30.98 × 92 =
31. 31.98 × 91 =
32. 32.107 × 95 =
33. 33.104 × 108 =
34. 34.112 × 109 =
35. 35.9 × 8 =
36. 36.13 × 14 =
37. 37.12 × 8 =
38. 38.9 × 6 =
39. 39.115 × 112 =
40. 40.970 × 990 =

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