Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 88 · 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. 1.23 × 24 =
2. 2.54 × 54 =
3. 3.17 × 16 =
4. 4.47 × 48 =
5. 5.32 × 32 =
6. 6.207 × 208 =
7. 7.504 × 502 =
8. 8.79 × 78 =
9. 9.21 × 23 =
10. 10.89 × 87 =
11. 11.59 × 59 =
12. 12.494 × 496 =
13. 13.71 × 73 =
14. 14.499 × 498 =
15. 15.27 × 27 =
16. 16.192 × 192 =
17. 17.309 × 302 =
18. 18.598 × 591 =
19. 19.509 × 506 =
20. 20.408 × 409 =
21. 21.74 × 72 =
22. 22.291 × 291 =
23. 23.53 × 53 =
24. 24.34 × 32 =
25. 25.191 × 194 =
26. 26.53 × 53 =
27. 27.599 × 592 =
28. 28.41 × 41 =
29. 29.44 × 43 =
30. 30.602 × 603 =
31. 31.24 × 21 =
32. 32.308 × 309 =
33. 33.591 × 596 =
34. 34.39 × 37 =
35. 35.36 × 39 =
36. 36.29 × 29 =
37. 37.47 × 48 =
38. 38.39 × 37 =
39. 39.43 × 43 =
40. 40.44 × 42 =

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