Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 267 · 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. 1.56 × 59 =
2. 2.604 × 609 =
3. 3.68 × 68 =
4. 4.199 × 199 =
5. 5.599 × 599 =
6. 6.31 × 31 =
7. 7.92 × 94 =
8. 8.86 × 86 =
9. 9.603 × 606 =
10. 10.63 × 62 =
11. 11.497 × 493 =
12. 12.52 × 54 =
13. 13.509 × 501 =
14. 14.69 × 68 =
15. 15.49 × 47 =
16. 16.491 × 496 =
17. 17.606 × 608 =
18. 18.203 × 207 =
19. 19.305 × 308 =
20. 20.39 × 39 =
21. 21.36 × 38 =
22. 22.192 × 197 =
23. 23.54 × 53 =
24. 24.393 × 398 =
25. 25.607 × 609 =
26. 26.507 × 507 =
27. 27.506 × 501 =
28. 28.62 × 63 =
29. 29.294 × 298 =
30. 30.88 × 89 =
31. 31.604 × 606 =
32. 32.303 × 306 =
33. 33.24 × 21 =
34. 34.17 × 16 =
35. 35.408 × 408 =
36. 36.91 × 94 =
37. 37.93 × 92 =
38. 38.209 × 206 =
39. 39.604 × 602 =
40. 40.502 × 506 =

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