Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 843 · 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. 1.36 × 37 =
2. 2.607 × 601 =
3. 3.32 × 32 =
4. 4.87 × 89 =
5. 5.36 × 39 =
6. 6.78 × 76 =
7. 7.89 × 86 =
8. 8.297 × 298 =
9. 9.401 × 401 =
10. 10.49 × 48 =
11. 11.209 × 208 =
12. 12.504 × 504 =
13. 13.508 × 501 =
14. 14.28 × 28 =
15. 15.595 × 598 =
16. 16.47 × 46 =
17. 17.26 × 26 =
18. 18.51 × 51 =
19. 19.91 × 94 =
20. 20.208 × 203 =
21. 21.201 × 206 =
22. 22.31 × 32 =
23. 23.493 × 497 =
24. 24.22 × 23 =
25. 25.73 × 72 =
26. 26.38 × 39 =
27. 27.508 × 506 =
28. 28.76 × 76 =
29. 29.604 × 601 =
30. 30.91 × 92 =
31. 31.207 × 208 =
32. 32.203 × 206 =
33. 33.405 × 401 =
34. 34.19 × 18 =
35. 35.41 × 42 =
36. 36.89 × 86 =
37. 37.198 × 199 =
38. 38.37 × 37 =
39. 39.494 × 494 =
40. 40.495 × 499 =

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