Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 679 · 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. 1.608 × 607 =
2. 2.47 × 47 =
3. 3.602 × 608 =
4. 4.309 × 304 =
5. 5.606 × 603 =
6. 6.609 × 603 =
7. 7.295 × 298 =
8. 8.46 × 47 =
9. 9.77 × 77 =
10. 10.591 × 593 =
11. 11.198 × 194 =
12. 12.74 × 74 =
13. 13.22 × 24 =
14. 14.22 × 22 =
15. 15.396 × 395 =
16. 16.32 × 33 =
17. 17.608 × 601 =
18. 18.83 × 84 =
19. 19.301 × 307 =
20. 20.57 × 56 =
21. 21.86 × 89 =
22. 22.505 × 506 =
23. 23.19 × 17 =
24. 24.192 × 198 =
25. 25.21 × 22 =
26. 26.44 × 44 =
27. 27.89 × 88 =
28. 28.36 × 39 =
29. 29.495 × 491 =
30. 30.209 × 207 =
31. 31.57 × 58 =
32. 32.32 × 32 =
33. 33.593 × 595 =
34. 34.401 × 406 =
35. 35.506 × 509 =
36. 36.42 × 42 =
37. 37.606 × 607 =
38. 38.69 × 69 =
39. 39.497 × 495 =
40. 40.492 × 492 =

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