Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 102 · 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. 1.59 × 58 =
2. 2.493 × 492 =
3. 3.52 × 54 =
4. 4.73 × 72 =
5. 5.32 × 31 =
6. 6.302 × 304 =
7. 7.54 × 52 =
8. 8.191 × 198 =
9. 9.39 × 37 =
10. 10.43 × 41 =
11. 11.308 × 309 =
12. 12.69 × 69 =
13. 13.394 × 399 =
14. 14.42 × 44 =
15. 15.199 × 192 =
16. 16.198 × 195 =
17. 17.597 × 598 =
18. 18.299 × 296 =
19. 19.193 × 196 =
20. 20.603 × 605 =
21. 21.598 × 593 =
22. 22.196 × 198 =
23. 23.57 × 57 =
24. 24.31 × 31 =
25. 25.201 × 207 =
26. 26.508 × 503 =
27. 27.16 × 16 =
28. 28.506 × 508 =
29. 29.19 × 19 =
30. 30.79 × 77 =
31. 31.44 × 44 =
32. 32.401 × 408 =
33. 33.61 × 61 =
34. 34.498 × 497 =
35. 35.399 × 392 =
36. 36.205 × 204 =
37. 37.62 × 62 =
38. 38.196 × 195 =
39. 39.498 × 498 =
40. 40.205 × 202 =

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