Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 797 · 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. 1.39 × 38 =
2. 2.59 × 56 =
3. 3.294 × 293 =
4. 4.399 × 398 =
5. 5.54 × 51 =
6. 6.499 × 492 =
7. 7.606 × 601 =
8. 8.598 × 598 =
9. 9.197 × 192 =
10. 10.16 × 18 =
11. 11.92 × 93 =
12. 12.16 × 17 =
13. 13.407 × 409 =
14. 14.409 × 402 =
15. 15.296 × 298 =
16. 16.89 × 89 =
17. 17.496 × 499 =
18. 18.298 × 291 =
19. 19.195 × 192 =
20. 20.89 × 86 =
21. 21.73 × 74 =
22. 22.192 × 197 =
23. 23.193 × 191 =
24. 24.33 × 32 =
25. 25.607 × 601 =
26. 26.491 × 493 =
27. 27.93 × 92 =
28. 28.83 × 83 =
29. 29.21 × 21 =
30. 30.77 × 76 =
31. 31.93 × 93 =
32. 32.198 × 199 =
33. 33.29 × 27 =
34. 34.507 × 502 =
35. 35.404 × 406 =
36. 36.88 × 87 =
37. 37.22 × 21 =
38. 38.22 × 23 =
39. 39.499 × 498 =
40. 40.73 × 73 =

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