Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 759 · 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. 1.298 × 297 =
2. 2.38 × 37 =
3. 3.23 × 24 =
4. 4.43 × 42 =
5. 5.604 × 608 =
6. 6.64 × 64 =
7. 7.67 × 69 =
8. 8.53 × 54 =
9. 9.87 × 89 =
10. 10.28 × 28 =
11. 11.502 × 503 =
12. 12.395 × 394 =
13. 13.403 × 406 =
14. 14.601 × 609 =
15. 15.294 × 293 =
16. 16.16 × 19 =
17. 17.607 × 605 =
18. 18.76 × 79 =
19. 19.509 × 508 =
20. 20.34 × 33 =
21. 21.91 × 91 =
22. 22.87 × 87 =
23. 23.296 × 294 =
24. 24.502 × 508 =
25. 25.81 × 84 =
26. 26.72 × 74 =
27. 27.73 × 73 =
28. 28.591 × 594 =
29. 29.403 × 402 =
30. 30.491 × 496 =
31. 31.16 × 19 =
32. 32.292 × 295 =
33. 33.43 × 41 =
34. 34.16 × 18 =
35. 35.16 × 18 =
36. 36.17 × 19 =
37. 37.205 × 206 =
38. 38.26 × 28 =
39. 39.296 × 296 =
40. 40.205 × 201 =

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