Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 754 · 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. 1.46 × 48 =
2. 2.77 × 79 =
3. 3.43 × 41 =
4. 4.67 × 67 =
5. 5.592 × 599 =
6. 6.197 × 199 =
7. 7.497 × 492 =
8. 8.392 × 399 =
9. 9.292 × 292 =
10. 10.601 × 605 =
11. 11.408 × 402 =
12. 12.193 × 194 =
13. 13.88 × 89 =
14. 14.21 × 23 =
15. 15.21 × 21 =
16. 16.41 × 44 =
17. 17.33 × 33 =
18. 18.402 × 406 =
19. 19.595 × 595 =
20. 20.22 × 22 =
21. 21.403 × 401 =
22. 22.74 × 71 =
23. 23.396 × 395 =
24. 24.205 × 209 =
25. 25.394 × 397 =
26. 26.58 × 58 =
27. 27.207 × 204 =
28. 28.196 × 194 =
29. 29.201 × 203 =
30. 30.19 × 16 =
31. 31.602 × 601 =
32. 32.192 × 195 =
33. 33.196 × 194 =
34. 34.302 × 308 =
35. 35.41 × 41 =
36. 36.395 × 392 =
37. 37.409 × 402 =
38. 38.208 × 206 =
39. 39.509 × 507 =
40. 40.33 × 34 =

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