Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 340 · 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. 1.298 × 291 =
2. 2.599 × 596 =
3. 3.393 × 399 =
4. 4.502 × 501 =
5. 5.301 × 306 =
6. 6.68 × 67 =
7. 7.28 × 26 =
8. 8.199 × 197 =
9. 9.198 × 191 =
10. 10.44 × 42 =
11. 11.199 × 197 =
12. 12.498 × 491 =
13. 13.609 × 607 =
14. 14.497 × 499 =
15. 15.503 × 507 =
16. 16.197 × 196 =
17. 17.32 × 33 =
18. 18.294 × 294 =
19. 19.592 × 595 =
20. 20.307 × 302 =
21. 21.197 × 197 =
22. 22.58 × 57 =
23. 23.36 × 38 =
24. 24.404 × 409 =
25. 25.192 × 196 =
26. 26.498 × 492 =
27. 27.67 × 66 =
28. 28.76 × 76 =
29. 29.44 × 43 =
30. 30.41 × 44 =
31. 31.399 × 391 =
32. 32.86 × 87 =
33. 33.39 × 39 =
34. 34.599 × 599 =
35. 35.406 × 407 =
36. 36.398 × 392 =
37. 37.23 × 22 =
38. 38.491 × 499 =
39. 39.293 × 297 =
40. 40.491 × 491 =

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