Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 877 · 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 × 57 =
3. 3.596 × 598 =
4. 4.68 × 69 =
5. 5.499 × 493 =
6. 6.17 × 17 =
7. 7.507 × 504 =
8. 8.198 × 197 =
9. 9.77 × 78 =
10. 10.29 × 27 =
11. 11.39 × 37 =
12. 12.502 × 501 =
13. 13.27 × 26 =
14. 14.56 × 59 =
15. 15.59 × 59 =
16. 16.56 × 56 =
17. 17.61 × 64 =
18. 18.53 × 53 =
19. 19.68 × 68 =
20. 20.16 × 16 =
21. 21.207 × 207 =
22. 22.606 × 602 =
23. 23.69 × 68 =
24. 24.73 × 74 =
25. 25.73 × 74 =
26. 26.402 × 409 =
27. 27.64 × 62 =
28. 28.601 × 602 =
29. 29.607 × 601 =
30. 30.27 × 29 =
31. 31.26 × 29 =
32. 32.57 × 56 =
33. 33.299 × 296 =
34. 34.296 × 298 =
35. 35.26 × 29 =
36. 36.16 × 19 =
37. 37.39 × 38 =
38. 38.301 × 303 =
39. 39.195 × 195 =
40. 40.31 × 32 =

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