Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 537 · 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. 1.49 × 46 =
2. 2.78 × 76 =
3. 3.298 × 299 =
4. 4.27 × 27 =
5. 5.501 × 504 =
6. 6.84 × 81 =
7. 7.398 × 396 =
8. 8.91 × 93 =
9. 9.79 × 79 =
10. 10.52 × 51 =
11. 11.402 × 401 =
12. 12.57 × 59 =
13. 13.299 × 294 =
14. 14.208 × 202 =
15. 15.601 × 601 =
16. 16.191 × 191 =
17. 17.74 × 72 =
18. 18.591 × 599 =
19. 19.26 × 27 =
20. 20.86 × 88 =
21. 21.28 × 28 =
22. 22.509 × 506 =
23. 23.88 × 89 =
24. 24.59 × 58 =
25. 25.63 × 62 =
26. 26.207 × 201 =
27. 27.397 × 396 =
28. 28.604 × 606 =
29. 29.603 × 604 =
30. 30.57 × 57 =
31. 31.507 × 501 =
32. 32.83 × 81 =
33. 33.197 × 197 =
34. 34.601 × 605 =
35. 35.299 × 292 =
36. 36.196 × 196 =
37. 37.298 × 294 =
38. 38.503 × 507 =
39. 39.68 × 69 =
40. 40.53 × 51 =

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