Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 252 · 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. 1.77 × 79 =
2. 2.609 × 603 =
3. 3.197 × 199 =
4. 4.26 × 29 =
5. 5.16 × 16 =
6. 6.506 × 506 =
7. 7.72 × 73 =
8. 8.42 × 41 =
9. 9.402 × 404 =
10. 10.195 × 196 =
11. 11.62 × 61 =
12. 12.197 × 192 =
13. 13.397 × 398 =
14. 14.23 × 24 =
15. 15.74 × 71 =
16. 16.21 × 23 =
17. 17.22 × 21 =
18. 18.52 × 52 =
19. 19.48 × 49 =
20. 20.405 × 402 =
21. 21.66 × 68 =
22. 22.502 × 504 =
23. 23.609 × 605 =
24. 24.207 × 201 =
25. 25.32 × 33 =
26. 26.308 × 308 =
27. 27.88 × 86 =
28. 28.26 × 26 =
29. 29.84 × 83 =
30. 30.294 × 291 =
31. 31.603 × 605 =
32. 32.37 × 38 =
33. 33.192 × 192 =
34. 34.396 × 393 =
35. 35.592 × 599 =
36. 36.304 × 303 =
37. 37.309 × 304 =
38. 38.503 × 504 =
39. 39.198 × 191 =
40. 40.501 × 502 =

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