Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 146 · 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. 1.202 × 202 =
2. 2.404 × 403 =
3. 3.68 × 67 =
4. 4.62 × 61 =
5. 5.394 × 394 =
6. 6.49 × 48 =
7. 7.297 × 298 =
8. 8.599 × 593 =
9. 9.46 × 46 =
10. 10.18 × 16 =
11. 11.54 × 52 =
12. 12.92 × 93 =
13. 13.392 × 399 =
14. 14.93 × 92 =
15. 15.393 × 397 =
16. 16.594 × 594 =
17. 17.54 × 51 =
18. 18.197 × 192 =
19. 19.66 × 66 =
20. 20.73 × 74 =
21. 21.298 × 298 =
22. 22.397 × 394 =
23. 23.61 × 61 =
24. 24.503 × 507 =
25. 25.56 × 57 =
26. 26.28 × 26 =
27. 27.84 × 83 =
28. 28.67 × 69 =
29. 29.48 × 46 =
30. 30.309 × 309 =
31. 31.62 × 64 =
32. 32.195 × 195 =
33. 33.43 × 41 =
34. 34.73 × 71 =
35. 35.91 × 93 =
36. 36.44 × 41 =
37. 37.293 × 297 =
38. 38.608 × 602 =
39. 39.601 × 603 =
40. 40.491 × 498 =

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