Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 513 · 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. 1.48 × 48 =
2. 2.39 × 37 =
3. 3.53 × 51 =
4. 4.199 × 192 =
5. 5.72 × 73 =
6. 6.93 × 93 =
7. 7.195 × 196 =
8. 8.62 × 61 =
9. 9.606 × 607 =
10. 10.72 × 73 =
11. 11.496 × 499 =
12. 12.508 × 503 =
13. 13.42 × 41 =
14. 14.58 × 58 =
15. 15.298 × 293 =
16. 16.27 × 29 =
17. 17.205 × 204 =
18. 18.502 × 502 =
19. 19.495 × 496 =
20. 20.609 × 609 =
21. 21.22 × 23 =
22. 22.502 × 505 =
23. 23.201 × 204 =
24. 24.399 × 395 =
25. 25.508 × 507 =
26. 26.197 × 192 =
27. 27.601 × 607 =
28. 28.201 × 206 =
29. 29.391 × 393 =
30. 30.34 × 32 =
31. 31.64 × 63 =
32. 32.597 × 591 =
33. 33.71 × 72 =
34. 34.592 × 594 =
35. 35.38 × 36 =
36. 36.68 × 67 =
37. 37.69 × 66 =
38. 38.394 × 399 =
39. 39.199 × 192 =
40. 40.91 × 91 =

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