Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 257 · 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. 2.607 × 606 =
3. 3.27 × 29 =
4. 4.49 × 47 =
5. 5.392 × 393 =
6. 6.404 × 405 =
7. 7.394 × 395 =
8. 8.77 × 77 =
9. 9.604 × 607 =
10. 10.32 × 31 =
11. 11.59 × 59 =
12. 12.61 × 62 =
13. 13.74 × 73 =
14. 14.37 × 38 =
15. 15.31 × 34 =
16. 16.606 × 601 =
17. 17.302 × 309 =
18. 18.21 × 23 =
19. 19.73 × 72 =
20. 20.23 × 24 =
21. 21.208 × 207 =
22. 22.295 × 292 =
23. 23.297 × 293 =
24. 24.203 × 203 =
25. 25.89 × 89 =
26. 26.305 × 308 =
27. 27.54 × 54 =
28. 28.49 × 47 =
29. 29.66 × 69 =
30. 30.41 × 41 =
31. 31.38 × 36 =
32. 32.53 × 51 =
33. 33.209 × 205 =
34. 34.32 × 33 =
35. 35.82 × 84 =
36. 36.597 × 593 =
37. 37.406 × 406 =
38. 38.306 × 306 =
39. 39.599 × 593 =
40. 40.28 × 26 =

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