Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 791 · 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. 1.608 × 606 =
2. 2.19 × 17 =
3. 3.203 × 207 =
4. 4.209 × 203 =
5. 5.72 × 71 =
6. 6.37 × 37 =
7. 7.502 × 509 =
8. 8.26 × 28 =
9. 9.86 × 87 =
10. 10.79 × 79 =
11. 11.405 × 406 =
12. 12.398 × 392 =
13. 13.596 × 594 =
14. 14.52 × 51 =
15. 15.21 × 22 =
16. 16.48 × 48 =
17. 17.73 × 72 =
18. 18.19 × 17 =
19. 19.502 × 502 =
20. 20.54 × 54 =
21. 21.18 × 16 =
22. 22.21 × 22 =
23. 23.61 × 61 =
24. 24.304 × 305 =
25. 25.204 × 203 =
26. 26.31 × 31 =
27. 27.58 × 59 =
28. 28.82 × 82 =
29. 29.59 × 57 =
30. 30.66 × 69 =
31. 31.407 × 409 =
32. 32.196 × 191 =
33. 33.91 × 92 =
34. 34.293 × 297 =
35. 35.298 × 295 =
36. 36.18 × 17 =
37. 37.598 × 592 =
38. 38.21 × 23 =
39. 39.193 × 199 =
40. 40.32 × 32 =

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