Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 737 · 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. 1.396 × 392 =
2. 2.82 × 83 =
3. 3.88 × 88 =
4. 4.81 × 83 =
5. 5.78 × 77 =
6. 6.193 × 198 =
7. 7.39 × 39 =
8. 8.34 × 34 =
9. 9.296 × 294 =
10. 10.66 × 66 =
11. 11.396 × 398 =
12. 12.39 × 38 =
13. 13.47 × 47 =
14. 14.18 × 18 =
15. 15.26 × 29 =
16. 16.34 × 33 =
17. 17.304 × 307 =
18. 18.501 × 507 =
19. 19.51 × 54 =
20. 20.399 × 399 =
21. 21.41 × 41 =
22. 22.42 × 43 =
23. 23.47 × 46 =
24. 24.205 × 204 =
25. 25.18 × 19 =
26. 26.307 × 303 =
27. 27.606 × 602 =
28. 28.73 × 72 =
29. 29.89 × 89 =
30. 30.407 × 403 =
31. 31.32 × 33 =
32. 32.33 × 31 =
33. 33.54 × 53 =
34. 34.31 × 31 =
35. 35.295 × 298 =
36. 36.605 × 606 =
37. 37.73 × 74 =
38. 38.498 × 499 =
39. 39.199 × 193 =
40. 40.31 × 33 =

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