Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 530 · 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. 1.52 × 52 =
2. 2.198 × 194 =
3. 3.48 × 47 =
4. 4.32 × 31 =
5. 5.294 × 297 =
6. 6.44 × 43 =
7. 7.193 × 194 =
8. 8.67 × 69 =
9. 9.57 × 59 =
10. 10.86 × 88 =
11. 11.494 × 497 =
12. 12.78 × 79 =
13. 13.72 × 74 =
14. 14.59 × 57 =
15. 15.201 × 206 =
16. 16.39 × 36 =
17. 17.204 × 207 =
18. 18.203 × 209 =
19. 19.595 × 598 =
20. 20.68 × 66 =
21. 21.394 × 397 =
22. 22.87 × 86 =
23. 23.503 × 502 =
24. 24.58 × 57 =
25. 25.591 × 595 =
26. 26.298 × 297 =
27. 27.206 × 205 =
28. 28.67 × 66 =
29. 29.196 × 195 =
30. 30.493 × 494 =
31. 31.57 × 58 =
32. 32.408 × 401 =
33. 33.193 × 198 =
34. 34.194 × 199 =
35. 35.37 × 36 =
36. 36.593 × 592 =
37. 37.66 × 67 =
38. 38.209 × 208 =
39. 39.202 × 205 =
40. 40.397 × 394 =

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