Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 192 · 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. 1.58 × 57 =
2. 2.607 × 609 =
3. 3.604 × 601 =
4. 4.56 × 56 =
5. 5.592 × 591 =
6. 6.84 × 84 =
7. 7.393 × 395 =
8. 8.191 × 195 =
9. 9.83 × 81 =
10. 10.36 × 39 =
11. 11.56 × 57 =
12. 12.602 × 607 =
13. 13.86 × 89 =
14. 14.203 × 203 =
15. 15.198 × 196 =
16. 16.36 × 37 =
17. 17.393 × 392 =
18. 18.294 × 297 =
19. 19.397 × 398 =
20. 20.67 × 66 =
21. 21.201 × 203 =
22. 22.501 × 506 =
23. 23.86 × 88 =
24. 24.81 × 81 =
25. 25.496 × 497 =
26. 26.299 × 291 =
27. 27.294 × 298 =
28. 28.68 × 69 =
29. 29.51 × 51 =
30. 30.402 × 402 =
31. 31.78 × 76 =
32. 32.197 × 196 =
33. 33.33 × 31 =
34. 34.603 × 604 =
35. 35.604 × 605 =
36. 36.202 × 201 =
37. 37.301 × 308 =
38. 38.21 × 23 =
39. 39.56 × 56 =
40. 40.304 × 305 =

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