Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 567 · 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. 1.7 × 7 =
2. 2.988 × 990 =
3. 3.1010 × 1025 =
4. 4.96 × 97 =
5. 5.102 × 114 =
6. 6.12 × 8 =
7. 7.85 × 88 =
8. 8.113 × 113 =
9. 9.111 × 98 =
10. 10.92 × 93 =
11. 11.111 × 114 =
12. 12.13 × 13 =
13. 13.975 × 962 =
14. 14.114 × 90 =
15. 15.91 × 86 =
16. 16.12 × 7 =
17. 17.113 × 93 =
18. 18.99 × 85 =
19. 19.7 × 8 =
20. 20.88 × 89 =
21. 21.968 × 967 =
22. 22.9 × 9 =
23. 23.101 × 86 =
24. 24.8 × 9 =
25. 25.983 × 976 =
26. 26.102 × 99 =
27. 27.110 × 96 =
28. 28.113 × 102 =
29. 29.103 × 115 =
30. 30.6 × 6 =
31. 31.8 × 6 =
32. 32.986 × 999 =
33. 33.111 × 112 =
34. 34.101 × 88 =
35. 35.107 × 87 =
36. 36.90 × 85 =
37. 37.1023 × 977 =
38. 38.12 × 9 =
39. 39.1007 × 1030 =
40. 40.95 × 93 =

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