Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 238 · 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. 1.37 × 39 =
2. 2.295 × 297 =
3. 3.398 × 397 =
4. 4.49 × 47 =
5. 5.503 × 501 =
6. 6.606 × 609 =
7. 7.198 × 193 =
8. 8.93 × 93 =
9. 9.27 × 26 =
10. 10.71 × 71 =
11. 11.29 × 28 =
12. 12.69 × 68 =
13. 13.309 × 302 =
14. 14.401 × 405 =
15. 15.68 × 67 =
16. 16.406 × 403 =
17. 17.304 × 304 =
18. 18.16 × 17 =
19. 19.37 × 39 =
20. 20.78 × 79 =
21. 21.16 × 19 =
22. 22.498 × 495 =
23. 23.197 × 191 =
24. 24.37 × 38 =
25. 25.91 × 94 =
26. 26.91 × 94 =
27. 27.67 × 66 =
28. 28.92 × 91 =
29. 29.71 × 74 =
30. 30.69 × 67 =
31. 31.398 × 398 =
32. 32.503 × 509 =
33. 33.201 × 209 =
34. 34.92 × 92 =
35. 35.206 × 201 =
36. 36.34 × 31 =
37. 37.78 × 77 =
38. 38.203 × 202 =
39. 39.292 × 298 =
40. 40.33 × 33 =

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