Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 999 · 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. 1.41 × 44 =
2. 2.32 × 32 =
3. 3.24 × 24 =
4. 4.31 × 33 =
5. 5.44 × 43 =
6. 6.591 × 599 =
7. 7.78 × 79 =
8. 8.603 × 601 =
9. 9.495 × 491 =
10. 10.596 × 597 =
11. 11.399 × 399 =
12. 12.72 × 71 =
13. 13.294 × 298 =
14. 14.293 × 297 =
15. 15.29 × 27 =
16. 16.595 × 592 =
17. 17.48 × 47 =
18. 18.504 × 506 =
19. 19.72 × 71 =
20. 20.51 × 54 =
21. 21.302 × 304 =
22. 22.87 × 88 =
23. 23.59 × 58 =
24. 24.39 × 36 =
25. 25.608 × 606 =
26. 26.39 × 38 =
27. 27.397 × 399 =
28. 28.42 × 42 =
29. 29.78 × 76 =
30. 30.21 × 24 =
31. 31.295 × 291 =
32. 32.17 × 19 =
33. 33.32 × 31 =
34. 34.19 × 19 =
35. 35.59 × 56 =
36. 36.298 × 297 =
37. 37.499 × 496 =
38. 38.508 × 501 =
39. 39.63 × 63 =
40. 40.606 × 603 =

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