Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 277 · 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. 1.47 × 49 =
2. 2.396 × 397 =
3. 3.292 × 292 =
4. 4.295 × 294 =
5. 5.396 × 392 =
6. 6.203 × 202 =
7. 7.26 × 28 =
8. 8.205 × 202 =
9. 9.591 × 595 =
10. 10.32 × 33 =
11. 11.309 × 303 =
12. 12.18 × 16 =
13. 13.405 × 406 =
14. 14.598 × 598 =
15. 15.61 × 64 =
16. 16.54 × 53 =
17. 17.19 × 16 =
18. 18.23 × 21 =
19. 19.81 × 84 =
20. 20.203 × 204 =
21. 21.403 × 406 =
22. 22.34 × 32 =
23. 23.201 × 203 =
24. 24.497 × 491 =
25. 25.403 × 409 =
26. 26.308 × 303 =
27. 27.491 × 497 =
28. 28.22 × 24 =
29. 29.67 × 66 =
30. 30.18 × 18 =
31. 31.609 × 601 =
32. 32.495 × 492 =
33. 33.604 × 608 =
34. 34.21 × 22 =
35. 35.64 × 61 =
36. 36.208 × 203 =
37. 37.51 × 52 =
38. 38.401 × 409 =
39. 39.197 × 195 =
40. 40.403 × 407 =

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