Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 303 · 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. 1.23 × 23 =
2. 2.398 × 398 =
3. 3.291 × 296 =
4. 4.72 × 71 =
5. 5.303 × 305 =
6. 6.84 × 81 =
7. 7.591 × 597 =
8. 8.291 × 293 =
9. 9.64 × 63 =
10. 10.53 × 54 =
11. 11.395 × 396 =
12. 12.82 × 81 =
13. 13.57 × 56 =
14. 14.291 × 299 =
15. 15.605 × 608 =
16. 16.294 × 299 =
17. 17.79 × 78 =
18. 18.205 × 208 =
19. 19.32 × 31 =
20. 20.193 × 194 =
21. 21.63 × 61 =
22. 22.298 × 297 =
23. 23.29 × 27 =
24. 24.499 × 496 =
25. 25.597 × 597 =
26. 26.52 × 54 =
27. 27.67 × 67 =
28. 28.81 × 84 =
29. 29.403 × 401 =
30. 30.48 × 48 =
31. 31.32 × 33 =
32. 32.496 × 498 =
33. 33.64 × 63 =
34. 34.29 × 26 =
35. 35.399 × 395 =
36. 36.69 × 68 =
37. 37.205 × 203 =
38. 38.73 × 74 =
39. 39.399 × 393 =
40. 40.403 × 406 =

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