Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 300 · 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. 1.73 × 72 =
2. 2.297 × 299 =
3. 3.209 × 201 =
4. 4.73 × 72 =
5. 5.39 × 39 =
6. 6.88 × 86 =
7. 7.198 × 198 =
8. 8.605 × 605 =
9. 9.84 × 84 =
10. 10.86 × 88 =
11. 11.94 × 91 =
12. 12.71 × 73 =
13. 13.59 × 59 =
14. 14.67 × 68 =
15. 15.201 × 208 =
16. 16.83 × 81 =
17. 17.57 × 59 =
18. 18.78 × 77 =
19. 19.39 × 39 =
20. 20.592 × 598 =
21. 21.31 × 34 =
22. 22.198 × 194 =
23. 23.17 × 19 =
24. 24.193 × 196 =
25. 25.92 × 94 =
26. 26.16 × 18 =
27. 27.397 × 395 =
28. 28.608 × 609 =
29. 29.74 × 72 =
30. 30.295 × 295 =
31. 31.73 × 73 =
32. 32.22 × 24 =
33. 33.22 × 24 =
34. 34.74 × 74 =
35. 35.16 × 17 =
36. 36.71 × 73 =
37. 37.596 × 599 =
38. 38.597 × 595 =
39. 39.41 × 44 =
40. 40.596 × 599 =

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