Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 488 · 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. 1.501 × 506 =
2. 2.607 × 603 =
3. 3.88 × 87 =
4. 4.68 × 66 =
5. 5.86 × 87 =
6. 6.63 × 62 =
7. 7.202 × 201 =
8. 8.36 × 39 =
9. 9.599 × 597 =
10. 10.398 × 399 =
11. 11.87 × 86 =
12. 12.74 × 72 =
13. 13.191 × 199 =
14. 14.58 × 58 =
15. 15.499 × 499 =
16. 16.72 × 71 =
17. 17.16 × 17 =
18. 18.34 × 34 =
19. 19.77 × 76 =
20. 20.198 × 192 =
21. 21.305 × 302 =
22. 22.53 × 53 =
23. 23.94 × 91 =
24. 24.198 × 196 =
25. 25.46 × 46 =
26. 26.595 × 597 =
27. 27.63 × 63 =
28. 28.67 × 68 =
29. 29.505 × 506 =
30. 30.207 × 202 =
31. 31.598 × 595 =
32. 32.391 × 392 =
33. 33.16 × 16 =
34. 34.91 × 94 =
35. 35.78 × 79 =
36. 36.42 × 42 =
37. 37.298 × 291 =
38. 38.592 × 596 =
39. 39.204 × 204 =
40. 40.207 × 202 =

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