Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 861 · 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. 1.44 × 43 =
2. 2.204 × 207 =
3. 3.29 × 29 =
4. 4.44 × 43 =
5. 5.495 × 493 =
6. 6.307 × 303 =
7. 7.399 × 395 =
8. 8.89 × 88 =
9. 9.82 × 84 =
10. 10.61 × 64 =
11. 11.76 × 77 =
12. 12.56 × 57 =
13. 13.19 × 17 =
14. 14.56 × 56 =
15. 15.77 × 79 =
16. 16.57 × 56 =
17. 17.34 × 34 =
18. 18.297 × 299 =
19. 19.89 × 89 =
20. 20.595 × 592 =
21. 21.291 × 295 =
22. 22.608 × 603 =
23. 23.499 × 499 =
24. 24.509 × 507 =
25. 25.57 × 56 =
26. 26.21 × 22 =
27. 27.61 × 61 =
28. 28.47 × 47 =
29. 29.401 × 401 =
30. 30.308 × 309 =
31. 31.508 × 506 =
32. 32.496 × 491 =
33. 33.49 × 47 =
34. 34.27 × 28 =
35. 35.46 × 46 =
36. 36.69 × 67 =
37. 37.49 × 47 =
38. 38.48 × 49 =
39. 39.64 × 64 =
40. 40.391 × 397 =

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