Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 630 · 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. 1.89 × 88 =
2. 2.51 × 53 =
3. 3.79 × 76 =
4. 4.196 × 197 =
5. 5.293 × 299 =
6. 6.308 × 305 =
7. 7.47 × 46 =
8. 8.296 × 297 =
9. 9.34 × 33 =
10. 10.493 × 493 =
11. 11.93 × 94 =
12. 12.19 × 18 =
13. 13.491 × 498 =
14. 14.296 × 296 =
15. 15.59 × 59 =
16. 16.192 × 196 =
17. 17.84 × 81 =
18. 18.198 × 193 =
19. 19.72 × 73 =
20. 20.83 × 81 =
21. 21.299 × 296 =
22. 22.302 × 305 =
23. 23.297 × 294 =
24. 24.594 × 598 =
25. 25.608 × 605 =
26. 26.409 × 401 =
27. 27.195 × 194 =
28. 28.205 × 203 =
29. 29.27 × 27 =
30. 30.72 × 72 =
31. 31.43 × 43 =
32. 32.206 × 201 =
33. 33.398 × 396 =
34. 34.308 × 305 =
35. 35.87 × 88 =
36. 36.196 × 196 =
37. 37.67 × 69 =
38. 38.37 × 37 =
39. 39.599 × 597 =
40. 40.71 × 74 =

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