Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 239 · 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. 1.47 × 46 =
2. 2.31 × 31 =
3. 3.29 × 28 =
4. 4.294 × 296 =
5. 5.409 × 406 =
6. 6.34 × 31 =
7. 7.599 × 598 =
8. 8.84 × 83 =
9. 9.503 × 508 =
10. 10.41 × 43 =
11. 11.206 × 208 =
12. 12.608 × 608 =
13. 13.29 × 29 =
14. 14.46 × 47 =
15. 15.21 × 23 =
16. 16.201 × 203 =
17. 17.403 × 407 =
18. 18.19 × 19 =
19. 19.408 × 404 =
20. 20.601 × 604 =
21. 21.71 × 72 =
22. 22.294 × 292 =
23. 23.505 × 504 =
24. 24.493 × 497 =
25. 25.81 × 83 =
26. 26.58 × 57 =
27. 27.601 × 606 =
28. 28.192 × 193 =
29. 29.51 × 51 =
30. 30.399 × 394 =
31. 31.46 × 49 =
32. 32.193 × 192 =
33. 33.87 × 89 =
34. 34.498 × 492 =
35. 35.503 × 501 =
36. 36.303 × 301 =
37. 37.508 × 508 =
38. 38.199 × 195 =
39. 39.201 × 203 =
40. 40.34 × 32 =

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