Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 920 · 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. 1.47 × 49 =
2. 2.23 × 23 =
3. 3.18 × 17 =
4. 4.88 × 87 =
5. 5.58 × 59 =
6. 6.21 × 21 =
7. 7.72 × 73 =
8. 8.194 × 196 =
9. 9.26 × 27 =
10. 10.393 × 396 =
11. 11.38 × 36 =
12. 12.596 × 596 =
13. 13.195 × 197 =
14. 14.24 × 23 =
15. 15.305 × 308 =
16. 16.593 × 599 =
17. 17.203 × 206 =
18. 18.26 × 28 =
19. 19.401 × 405 =
20. 20.34 × 32 =
21. 21.81 × 83 =
22. 22.69 × 69 =
23. 23.602 × 605 =
24. 24.48 × 46 =
25. 25.309 × 301 =
26. 26.22 × 23 =
27. 27.607 × 609 =
28. 28.86 × 88 =
29. 29.391 × 391 =
30. 30.601 × 608 =
31. 31.204 × 201 =
32. 32.391 × 393 =
33. 33.191 × 194 =
34. 34.599 × 595 =
35. 35.42 × 41 =
36. 36.393 × 392 =
37. 37.209 × 208 =
38. 38.196 × 193 =
39. 39.496 × 493 =
40. 40.609 × 604 =

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