Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 660 · 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. 1.293 × 293 =
2. 2.41 × 44 =
3. 3.393 × 398 =
4. 4.76 × 77 =
5. 5.21 × 21 =
6. 6.296 × 292 =
7. 7.395 × 398 =
8. 8.596 × 599 =
9. 9.492 × 496 =
10. 10.499 × 499 =
11. 11.26 × 27 =
12. 12.21 × 22 =
13. 13.198 × 194 =
14. 14.23 × 24 =
15. 15.51 × 53 =
16. 16.602 × 607 =
17. 17.63 × 63 =
18. 18.29 × 26 =
19. 19.21 × 21 =
20. 20.396 × 397 =
21. 21.304 × 308 =
22. 22.194 × 198 =
23. 23.31 × 32 =
24. 24.299 × 297 =
25. 25.33 × 31 =
26. 26.16 × 16 =
27. 27.71 × 71 =
28. 28.208 × 208 =
29. 29.38 × 38 =
30. 30.501 × 507 =
31. 31.198 × 199 =
32. 32.89 × 88 =
33. 33.69 × 68 =
34. 34.202 × 202 =
35. 35.62 × 61 =
36. 36.299 × 292 =
37. 37.21 × 21 =
38. 38.607 × 606 =
39. 39.84 × 81 =
40. 40.294 × 294 =

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