Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 54 · 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. 1.502 × 509 =
2. 2.53 × 54 =
3. 3.198 × 199 =
4. 4.33 × 34 =
5. 5.192 × 196 =
6. 6.298 × 291 =
7. 7.408 × 402 =
8. 8.303 × 304 =
9. 9.32 × 34 =
10. 10.37 × 39 =
11. 11.496 × 491 =
12. 12.399 × 394 =
13. 13.492 × 492 =
14. 14.84 × 82 =
15. 15.27 × 28 =
16. 16.197 × 191 =
17. 17.598 × 593 =
18. 18.89 × 88 =
19. 19.602 × 608 =
20. 20.493 × 496 =
21. 21.94 × 92 =
22. 22.79 × 78 =
23. 23.603 × 609 =
24. 24.54 × 54 =
25. 25.22 × 23 =
26. 26.205 × 204 =
27. 27.19 × 17 =
28. 28.603 × 603 =
29. 29.607 × 609 =
30. 30.202 × 202 =
31. 31.609 × 605 =
32. 32.81 × 81 =
33. 33.208 × 202 =
34. 34.59 × 58 =
35. 35.597 × 592 =
36. 36.396 × 394 =
37. 37.64 × 64 =
38. 38.197 × 197 =
39. 39.19 × 16 =
40. 40.37 × 36 =

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