Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 469 · 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. 1.402 × 406 =
2. 2.23 × 24 =
3. 3.54 × 53 =
4. 4.89 × 89 =
5. 5.304 × 305 =
6. 6.191 × 195 =
7. 7.306 × 302 =
8. 8.84 × 83 =
9. 9.591 × 596 =
10. 10.28 × 28 =
11. 11.505 × 503 =
12. 12.49 × 48 =
13. 13.197 × 197 =
14. 14.78 × 77 =
15. 15.38 × 39 =
16. 16.76 × 76 =
17. 17.198 × 192 =
18. 18.394 × 393 =
19. 19.602 × 604 =
20. 20.18 × 16 =
21. 21.33 × 32 =
22. 22.602 × 607 =
23. 23.506 × 507 =
24. 24.52 × 53 =
25. 25.394 × 397 =
26. 26.495 × 495 =
27. 27.308 × 307 =
28. 28.606 × 601 =
29. 29.23 × 23 =
30. 30.408 × 406 =
31. 31.89 × 88 =
32. 32.73 × 71 =
33. 33.295 × 299 =
34. 34.194 × 196 =
35. 35.26 × 29 =
36. 36.34 × 34 =
37. 37.34 × 34 =
38. 38.31 × 34 =
39. 39.33 × 33 =
40. 40.52 × 54 =

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