Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 734 · 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. 1.42 × 43 =
2. 2.86 × 88 =
3. 3.195 × 198 =
4. 4.607 × 601 =
5. 5.37 × 39 =
6. 6.36 × 38 =
7. 7.73 × 72 =
8. 8.32 × 33 =
9. 9.22 × 23 =
10. 10.194 × 192 =
11. 11.291 × 298 =
12. 12.191 × 193 =
13. 13.493 × 497 =
14. 14.18 × 19 =
15. 15.18 × 17 =
16. 16.307 × 306 =
17. 17.399 × 398 =
18. 18.49 × 47 =
19. 19.71 × 72 =
20. 20.291 × 299 =
21. 21.53 × 51 =
22. 22.398 × 392 =
23. 23.201 × 203 =
24. 24.199 × 197 =
25. 25.198 × 195 =
26. 26.497 × 498 =
27. 27.597 × 596 =
28. 28.81 × 82 =
29. 29.302 × 308 =
30. 30.53 × 51 =
31. 31.506 × 501 =
32. 32.199 × 192 =
33. 33.296 × 297 =
34. 34.71 × 74 =
35. 35.74 × 72 =
36. 36.54 × 52 =
37. 37.78 × 78 =
38. 38.23 × 21 =
39. 39.16 × 19 =
40. 40.597 × 598 =

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