Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 235 · 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. 1.29 × 29 =
2. 2.46 × 46 =
3. 3.505 × 508 =
4. 4.83 × 84 =
5. 5.58 × 59 =
6. 6.404 × 407 =
7. 7.298 × 298 =
8. 8.26 × 27 =
9. 9.81 × 82 =
10. 10.47 × 49 =
11. 11.307 × 301 =
12. 12.507 × 502 =
13. 13.501 × 507 =
14. 14.304 × 308 =
15. 15.58 × 59 =
16. 16.51 × 51 =
17. 17.31 × 33 =
18. 18.409 × 402 =
19. 19.88 × 88 =
20. 20.24 × 23 =
21. 21.29 × 28 =
22. 22.76 × 78 =
23. 23.31 × 31 =
24. 24.304 × 302 =
25. 25.29 × 26 =
26. 26.501 × 508 =
27. 27.92 × 91 =
28. 28.207 × 203 =
29. 29.68 × 69 =
30. 30.83 × 81 =
31. 31.491 × 493 =
32. 32.18 × 17 =
33. 33.294 × 295 =
34. 34.201 × 208 =
35. 35.299 × 299 =
36. 36.207 × 206 =
37. 37.69 × 67 =
38. 38.87 × 88 =
39. 39.399 × 391 =
40. 40.43 × 42 =

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