Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 611 · 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. 1.199 × 191 =
2. 2.77 × 78 =
3. 3.46 × 48 =
4. 4.608 × 603 =
5. 5.54 × 52 =
6. 6.38 × 39 =
7. 7.197 × 193 =
8. 8.203 × 207 =
9. 9.403 × 408 =
10. 10.19 × 16 =
11. 11.199 × 199 =
12. 12.293 × 294 =
13. 13.609 × 603 =
14. 14.602 × 601 =
15. 15.602 × 607 =
16. 16.27 × 27 =
17. 17.26 × 26 =
18. 18.67 × 67 =
19. 19.17 × 16 =
20. 20.599 × 595 =
21. 21.497 × 498 =
22. 22.23 × 22 =
23. 23.299 × 292 =
24. 24.192 × 198 =
25. 25.18 × 19 =
26. 26.33 × 31 =
27. 27.202 × 205 =
28. 28.201 × 205 =
29. 29.194 × 191 =
30. 30.501 × 507 =
31. 31.391 × 395 =
32. 32.59 × 56 =
33. 33.18 × 16 =
34. 34.396 × 398 =
35. 35.42 × 43 =
36. 36.192 × 192 =
37. 37.91 × 93 =
38. 38.31 × 34 =
39. 39.196 × 199 =
40. 40.48 × 46 =

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