Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 255 · 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. 1.59 × 57 =
2. 2.199 × 192 =
3. 3.61 × 64 =
4. 4.394 × 399 =
5. 5.34 × 32 =
6. 6.203 × 207 =
7. 7.408 × 408 =
8. 8.82 × 81 =
9. 9.291 × 295 =
10. 10.39 × 38 =
11. 11.24 × 22 =
12. 12.295 × 295 =
13. 13.33 × 31 =
14. 14.601 × 605 =
15. 15.391 × 395 =
16. 16.16 × 16 =
17. 17.79 × 76 =
18. 18.32 × 34 =
19. 19.397 × 394 =
20. 20.208 × 202 =
21. 21.41 × 44 =
22. 22.38 × 38 =
23. 23.399 × 398 =
24. 24.606 × 609 =
25. 25.41 × 42 =
26. 26.32 × 33 =
27. 27.46 × 46 =
28. 28.62 × 61 =
29. 29.73 × 72 =
30. 30.604 × 601 =
31. 31.81 × 82 =
32. 32.197 × 191 =
33. 33.499 × 495 =
34. 34.51 × 51 =
35. 35.206 × 204 =
36. 36.202 × 203 =
37. 37.17 × 19 =
38. 38.502 × 506 =
39. 39.84 × 83 =
40. 40.299 × 297 =

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