Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 942 · 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. 1.404 × 406 =
2. 2.82 × 84 =
3. 3.29 × 29 =
4. 4.393 × 394 =
5. 5.17 × 16 =
6. 6.37 × 38 =
7. 7.56 × 57 =
8. 8.77 × 76 =
9. 9.64 × 64 =
10. 10.84 × 81 =
11. 11.31 × 34 =
12. 12.401 × 402 =
13. 13.78 × 77 =
14. 14.209 × 201 =
15. 15.47 × 49 =
16. 16.598 × 598 =
17. 17.78 × 79 =
18. 18.64 × 64 =
19. 19.69 × 67 =
20. 20.34 × 33 =
21. 21.81 × 81 =
22. 22.308 × 302 =
23. 23.34 × 33 =
24. 24.59 × 59 =
25. 25.23 × 21 =
26. 26.29 × 27 =
27. 27.491 × 494 =
28. 28.191 × 191 =
29. 29.606 × 605 =
30. 30.79 × 78 =
31. 31.68 × 69 =
32. 32.27 × 29 =
33. 33.208 × 209 =
34. 34.509 × 502 =
35. 35.605 × 604 =
36. 36.93 × 91 =
37. 37.499 × 499 =
38. 38.46 × 47 =
39. 39.591 × 592 =
40. 40.28 × 27 =

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