Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 452 · 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. 1.197 × 192 =
2. 2.307 × 302 =
3. 3.301 × 301 =
4. 4.297 × 293 =
5. 5.32 × 32 =
6. 6.501 × 503 =
7. 7.291 × 297 =
8. 8.296 × 299 =
9. 9.599 × 599 =
10. 10.299 × 296 =
11. 11.32 × 31 =
12. 12.591 × 596 =
13. 13.201 × 203 =
14. 14.492 × 495 =
15. 15.76 × 79 =
16. 16.594 × 591 =
17. 17.73 × 72 =
18. 18.502 × 507 =
19. 19.58 × 57 =
20. 20.63 × 62 =
21. 21.197 × 194 =
22. 22.606 × 605 =
23. 23.89 × 89 =
24. 24.191 × 194 =
25. 25.306 × 307 =
26. 26.32 × 34 =
27. 27.292 × 292 =
28. 28.299 × 297 =
29. 29.72 × 73 =
30. 30.303 × 305 =
31. 31.606 × 603 =
32. 32.302 × 304 =
33. 33.208 × 206 =
34. 34.208 × 207 =
35. 35.74 × 71 =
36. 36.395 × 398 =
37. 37.206 × 202 =
38. 38.505 × 501 =
39. 39.69 × 68 =
40. 40.72 × 74 =

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