Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 986 · 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. 1.508 × 504 =
2. 2.57 × 56 =
3. 3.76 × 77 =
4. 4.17 × 18 =
5. 5.89 × 88 =
6. 6.504 × 507 =
7. 7.494 × 499 =
8. 8.605 × 606 =
9. 9.34 × 34 =
10. 10.604 × 609 =
11. 11.191 × 196 =
12. 12.208 × 207 =
13. 13.399 × 392 =
14. 14.198 × 192 =
15. 15.72 × 73 =
16. 16.49 × 48 =
17. 17.201 × 202 =
18. 18.42 × 44 =
19. 19.33 × 32 =
20. 20.32 × 31 =
21. 21.36 × 36 =
22. 22.497 × 494 =
23. 23.307 × 305 =
24. 24.602 × 607 =
25. 25.77 × 78 =
26. 26.392 × 395 =
27. 27.54 × 53 =
28. 28.17 × 17 =
29. 29.43 × 44 =
30. 30.498 × 496 =
31. 31.67 × 66 =
32. 32.31 × 32 =
33. 33.31 × 33 =
34. 34.192 × 197 =
35. 35.399 × 395 =
36. 36.59 × 59 =
37. 37.395 × 398 =
38. 38.87 × 88 =
39. 39.598 × 598 =
40. 40.86 × 87 =

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