Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 293 · 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. 1.41 × 44 =
2. 2.191 × 192 =
3. 3.392 × 398 =
4. 4.299 × 298 =
5. 5.67 × 66 =
6. 6.42 × 41 =
7. 7.24 × 22 =
8. 8.296 × 298 =
9. 9.24 × 23 =
10. 10.199 × 199 =
11. 11.306 × 308 =
12. 12.201 × 209 =
13. 13.203 × 206 =
14. 14.302 × 303 =
15. 15.87 × 89 =
16. 16.207 × 206 =
17. 17.591 × 593 =
18. 18.496 × 496 =
19. 19.39 × 36 =
20. 20.42 × 43 =
21. 21.395 × 394 =
22. 22.497 × 497 =
23. 23.16 × 19 =
24. 24.36 × 39 =
25. 25.34 × 33 =
26. 26.297 × 291 =
27. 27.31 × 31 =
28. 28.19 × 18 =
29. 29.59 × 59 =
30. 30.17 × 16 =
31. 31.88 × 88 =
32. 32.599 × 599 =
33. 33.495 × 498 =
34. 34.42 × 42 =
35. 35.306 × 308 =
36. 36.605 × 606 =
37. 37.49 × 49 =
38. 38.29 × 27 =
39. 39.43 × 43 =
40. 40.19 × 17 =

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