Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 601 · 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 × 42 =
2. 2.207 × 205 =
3. 3.34 × 32 =
4. 4.407 × 402 =
5. 5.195 × 191 =
6. 6.24 × 21 =
7. 7.598 × 596 =
8. 8.405 × 407 =
9. 9.207 × 204 =
10. 10.46 × 47 =
11. 11.17 × 18 =
12. 12.199 × 196 =
13. 13.62 × 61 =
14. 14.393 × 398 =
15. 15.69 × 66 =
16. 16.84 × 84 =
17. 17.608 × 602 =
18. 18.198 × 199 =
19. 19.403 × 407 =
20. 20.501 × 506 =
21. 21.304 × 305 =
22. 22.38 × 36 =
23. 23.395 × 391 =
24. 24.36 × 38 =
25. 25.94 × 94 =
26. 26.607 × 606 =
27. 27.38 × 39 =
28. 28.302 × 303 =
29. 29.191 × 191 =
30. 30.309 × 309 =
31. 31.498 × 499 =
32. 32.64 × 61 =
33. 33.195 × 197 =
34. 34.39 × 36 =
35. 35.56 × 56 =
36. 36.19 × 19 =
37. 37.608 × 606 =
38. 38.34 × 32 =
39. 39.94 × 91 =
40. 40.195 × 198 =

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