Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 527 · 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. 1.46 × 47 =
2. 2.29 × 27 =
3. 3.69 × 66 =
4. 4.17 × 18 =
5. 5.74 × 74 =
6. 6.502 × 509 =
7. 7.52 × 54 =
8. 8.503 × 507 =
9. 9.591 × 599 =
10. 10.93 × 92 =
11. 11.37 × 38 =
12. 12.297 × 297 =
13. 13.404 × 401 =
14. 14.494 × 495 =
15. 15.193 × 196 =
16. 16.51 × 52 =
17. 17.73 × 71 =
18. 18.32 × 34 =
19. 19.47 × 47 =
20. 20.603 × 602 =
21. 21.501 × 503 =
22. 22.43 × 41 =
23. 23.48 × 49 =
24. 24.83 × 83 =
25. 25.43 × 44 =
26. 26.397 × 395 =
27. 27.202 × 208 =
28. 28.398 × 395 =
29. 29.23 × 21 =
30. 30.19 × 16 =
31. 31.398 × 393 =
32. 32.497 × 491 =
33. 33.392 × 399 =
34. 34.36 × 38 =
35. 35.28 × 26 =
36. 36.94 × 92 =
37. 37.199 × 194 =
38. 38.21 × 23 =
39. 39.294 × 292 =
40. 40.408 × 404 =

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