Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 624 · 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. 1.79 × 78 =
2. 2.392 × 393 =
3. 3.63 × 61 =
4. 4.92 × 92 =
5. 5.77 × 79 =
6. 6.604 × 608 =
7. 7.602 × 605 =
8. 8.21 × 21 =
9. 9.298 × 298 =
10. 10.198 × 194 =
11. 11.46 × 48 =
12. 12.592 × 599 =
13. 13.91 × 94 =
14. 14.209 × 208 =
15. 15.591 × 598 =
16. 16.209 × 205 =
17. 17.501 × 501 =
18. 18.53 × 53 =
19. 19.38 × 36 =
20. 20.29 × 26 =
21. 21.604 × 609 =
22. 22.91 × 91 =
23. 23.48 × 49 =
24. 24.602 × 602 =
25. 25.406 × 409 =
26. 26.33 × 32 =
27. 27.603 × 601 =
28. 28.56 × 56 =
29. 29.94 × 92 =
30. 30.305 × 305 =
31. 31.57 × 57 =
32. 32.204 × 206 =
33. 33.62 × 64 =
34. 34.402 × 408 =
35. 35.26 × 27 =
36. 36.43 × 44 =
37. 37.61 × 62 =
38. 38.38 × 38 =
39. 39.192 × 199 =
40. 40.46 × 46 =

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