Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 404 · 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. 1.306 × 306 =
2. 2.596 × 598 =
3. 3.59 × 59 =
4. 4.407 × 408 =
5. 5.193 × 197 =
6. 6.302 × 303 =
7. 7.293 × 293 =
8. 8.93 × 94 =
9. 9.205 × 208 =
10. 10.61 × 61 =
11. 11.66 × 69 =
12. 12.16 × 19 =
13. 13.49 × 48 =
14. 14.26 × 28 =
15. 15.192 × 199 =
16. 16.495 × 495 =
17. 17.196 × 195 =
18. 18.56 × 59 =
19. 19.66 × 69 =
20. 20.37 × 36 =
21. 21.69 × 69 =
22. 22.397 × 395 =
23. 23.39 × 38 =
24. 24.496 × 494 =
25. 25.299 × 294 =
26. 26.201 × 206 =
27. 27.24 × 24 =
28. 28.602 × 605 =
29. 29.591 × 597 =
30. 30.593 × 598 =
31. 31.394 × 398 =
32. 32.68 × 69 =
33. 33.92 × 92 =
34. 34.54 × 54 =
35. 35.84 × 83 =
36. 36.48 × 48 =
37. 37.503 × 501 =
38. 38.21 × 21 =
39. 39.303 × 301 =
40. 40.208 × 207 =

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