Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 339 · 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. 1.29 × 27 =
2. 2.31 × 32 =
3. 3.36 × 36 =
4. 4.21 × 22 =
5. 5.602 × 603 =
6. 6.34 × 33 =
7. 7.593 × 591 =
8. 8.46 × 48 =
9. 9.605 × 608 =
10. 10.84 × 84 =
11. 11.84 × 81 =
12. 12.43 × 42 =
13. 13.78 × 79 =
14. 14.305 × 309 =
15. 15.27 × 27 =
16. 16.81 × 83 =
17. 17.71 × 71 =
18. 18.61 × 62 =
19. 19.61 × 62 =
20. 20.198 × 198 =
21. 21.44 × 44 =
22. 22.191 × 191 =
23. 23.606 × 609 =
24. 24.51 × 52 =
25. 25.405 × 401 =
26. 26.305 × 309 =
27. 27.77 × 76 =
28. 28.53 × 52 =
29. 29.205 × 209 =
30. 30.599 × 597 =
31. 31.602 × 609 =
32. 32.309 × 305 =
33. 33.68 × 66 =
34. 34.398 × 399 =
35. 35.74 × 71 =
36. 36.32 × 32 =
37. 37.493 × 491 =
38. 38.48 × 49 =
39. 39.79 × 78 =
40. 40.293 × 297 =

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