Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 22 · 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. 1.36 × 38 =
2. 2.596 × 598 =
3. 3.401 × 403 =
4. 4.51 × 51 =
5. 5.32 × 31 =
6. 6.46 × 46 =
7. 7.193 × 191 =
8. 8.87 × 89 =
9. 9.86 × 89 =
10. 10.23 × 21 =
11. 11.47 × 47 =
12. 12.86 × 89 =
13. 13.199 × 198 =
14. 14.594 × 595 =
15. 15.593 × 595 =
16. 16.37 × 36 =
17. 17.501 × 502 =
18. 18.44 × 44 =
19. 19.22 × 21 =
20. 20.91 × 93 =
21. 21.64 × 62 =
22. 22.202 × 201 =
23. 23.24 × 24 =
24. 24.44 × 44 =
25. 25.608 × 602 =
26. 26.202 × 203 =
27. 27.497 × 493 =
28. 28.604 × 605 =
29. 29.39 × 37 =
30. 30.598 × 594 =
31. 31.73 × 72 =
32. 32.18 × 19 =
33. 33.89 × 89 =
34. 34.88 × 88 =
35. 35.405 × 404 =
36. 36.503 × 501 =
37. 37.38 × 37 =
38. 38.397 × 391 =
39. 39.296 × 297 =
40. 40.507 × 504 =

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