Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 882 · 40 sums

The trick (Anurupyena): Pick the working base (like 40 = 4 × 10 or 300 = 3 × 100) and write each number’s difference from it. Cross-add as in trick 3, then multiply that left part by 4 (or 3, 5…). Right part: multiply the differences — 1 digit for a × 10 base, 2 digits for a × 100 base (carry the extra).

1. 1.43 × 41 =
2. 2.62 × 64 =
3. 3.19 × 18 =
4. 4.205 × 202 =
5. 5.59 × 59 =
6. 6.82 × 82 =
7. 7.49 × 47 =
8. 8.405 × 407 =
9. 9.401 × 404 =
10. 10.18 × 19 =
11. 11.31 × 31 =
12. 12.206 × 206 =
13. 13.607 × 603 =
14. 14.595 × 597 =
15. 15.191 × 197 =
16. 16.93 × 92 =
17. 17.409 × 403 =
18. 18.309 × 308 =
19. 19.592 × 599 =
20. 20.58 × 57 =
21. 21.497 × 497 =
22. 22.46 × 46 =
23. 23.52 × 53 =
24. 24.27 × 26 =
25. 25.505 × 503 =
26. 26.23 × 23 =
27. 27.57 × 56 =
28. 28.401 × 407 =
29. 29.191 × 193 =
30. 30.32 × 34 =
31. 31.77 × 76 =
32. 32.495 × 497 =
33. 33.192 × 192 =
34. 34.304 × 301 =
35. 35.67 × 68 =
36. 36.42 × 43 =
37. 37.301 × 309 =
38. 38.74 × 74 =
39. 39.88 × 88 =
40. 40.601 × 609 =

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