Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 791 · 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. 1.113 × 102 =
2. 2.96 × 91 =
3. 3.95 × 89 =
4. 4.92 × 86 =
5. 5.1029 × 967 =
6. 6.6 × 8 =
7. 7.11 × 11 =
8. 8.99 × 95 =
9. 9.13 × 11 =
10. 10.14 × 8 =
11. 11.12 × 6 =
12. 12.88 × 85 =
13. 13.102 × 109 =
14. 14.13 × 6 =
15. 15.113 × 99 =
16. 16.13 × 7 =
17. 17.102 × 108 =
18. 18.981 × 981 =
19. 19.91 × 89 =
20. 20.96 × 88 =
21. 21.95 × 88 =
22. 22.112 × 109 =
23. 23.964 × 998 =
24. 24.966 × 984 =
25. 25.109 × 101 =
26. 26.89 × 89 =
27. 27.13 × 14 =
28. 28.970 × 996 =
29. 29.110 × 105 =
30. 30.108 × 111 =
31. 31.97 × 97 =
32. 32.11 × 7 =
33. 33.103 × 106 =
34. 34.86 × 91 =
35. 35.108 × 101 =
36. 36.88 × 95 =
37. 37.7 × 9 =
38. 38.108 × 101 =
39. 39.1007 × 989 =
40. 40.102 × 110 =

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