Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 180 · 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. 1.994 × 988 =
2. 2.1011 × 968 =
3. 3.107 × 102 =
4. 4.983 × 973 =
5. 5.87 × 87 =
6. 6.6 × 6 =
7. 7.7 × 7 =
8. 8.91 × 97 =
9. 9.103 × 95 =
10. 10.14 × 6 =
11. 11.7 × 8 =
12. 12.103 × 93 =
13. 13.6 × 7 =
14. 14.89 × 86 =
15. 15.108 × 97 =
16. 16.86 × 98 =
17. 17.92 × 89 =
18. 18.14 × 11 =
19. 19.1017 × 965 =
20. 20.960 × 997 =
21. 21.102 × 111 =
22. 22.14 × 7 =
23. 23.87 × 95 =
24. 24.102 × 104 =
25. 25.112 × 106 =
26. 26.12 × 7 =
27. 27.103 × 88 =
28. 28.114 × 102 =
29. 29.1017 × 1014 =
30. 30.993 × 991 =
31. 31.89 × 90 =
32. 32.11 × 8 =
33. 33.13 × 9 =
34. 34.107 × 105 =
35. 35.102 × 91 =
36. 36.1012 × 981 =
37. 37.9 × 8 =
38. 38.86 × 87 =
39. 39.108 × 104 =
40. 40.12 × 7 =

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