Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 722 · 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. 1.491 × 494 =
2. 2.396 × 393 =
3. 3.404 × 409 =
4. 4.32 × 32 =
5. 5.17 × 17 =
6. 6.64 × 61 =
7. 7.58 × 58 =
8. 8.42 × 41 =
9. 9.26 × 29 =
10. 10.38 × 39 =
11. 11.59 × 57 =
12. 12.203 × 202 =
13. 13.505 × 506 =
14. 14.92 × 93 =
15. 15.27 × 27 =
16. 16.41 × 41 =
17. 17.202 × 209 =
18. 18.292 × 299 =
19. 19.49 × 49 =
20. 20.298 × 292 =
21. 21.27 × 26 =
22. 22.59 × 56 =
23. 23.67 × 69 =
24. 24.42 × 44 =
25. 25.398 × 398 =
26. 26.73 × 72 =
27. 27.607 × 601 =
28. 28.59 × 58 =
29. 29.24 × 22 =
30. 30.398 × 396 =
31. 31.408 × 405 =
32. 32.205 × 208 =
33. 33.72 × 71 =
34. 34.71 × 74 =
35. 35.41 × 43 =
36. 36.49 × 47 =
37. 37.298 × 299 =
38. 38.192 × 197 =
39. 39.507 × 501 =
40. 40.79 × 76 =

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