Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 640 · 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. 1.96 × 88 =
2. 2.13 × 6 =
3. 3.98 × 95 =
4. 4.11 × 12 =
5. 5.13 × 9 =
6. 6.114 × 99 =
7. 7.1014 × 999 =
8. 8.977 × 975 =
9. 9.99 × 96 =
10. 10.96 × 89 =
11. 11.115 × 91 =
12. 12.1017 × 986 =
13. 13.978 × 984 =
14. 14.9 × 9 =
15. 15.12 × 6 =
16. 16.6 × 8 =
17. 17.101 × 96 =
18. 18.107 × 97 =
19. 19.87 × 86 =
20. 20.6 × 6 =
21. 21.107 × 96 =
22. 22.7 × 8 =
23. 23.13 × 7 =
24. 24.13 × 9 =
25. 25.11 × 7 =
26. 26.9 × 9 =
27. 27.6 × 6 =
28. 28.971 × 972 =
29. 29.109 × 88 =
30. 30.7 × 7 =
31. 31.96 × 91 =
32. 32.95 × 85 =
33. 33.99 × 93 =
34. 34.11 × 13 =
35. 35.106 × 90 =
36. 36.88 × 96 =
37. 37.1030 × 1029 =
38. 38.1011 × 981 =
39. 39.104 × 108 =
40. 40.102 × 109 =

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