Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 426 · 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. 1.72 × 72 =
2. 2.58 × 56 =
3. 3.395 × 391 =
4. 4.591 × 598 =
5. 5.399 × 396 =
6. 6.195 × 195 =
7. 7.34 × 34 =
8. 8.78 × 76 =
9. 9.408 × 409 =
10. 10.34 × 31 =
11. 11.89 × 86 =
12. 12.606 × 604 =
13. 13.497 × 499 =
14. 14.307 × 304 =
15. 15.59 × 56 =
16. 16.401 × 404 =
17. 17.56 × 58 =
18. 18.31 × 33 =
19. 19.29 × 27 =
20. 20.43 × 43 =
21. 21.59 × 59 =
22. 22.28 × 27 =
23. 23.61 × 64 =
24. 24.32 × 31 =
25. 25.19 × 16 =
26. 26.58 × 58 =
27. 27.191 × 197 =
28. 28.197 × 198 =
29. 29.28 × 29 =
30. 30.53 × 52 =
31. 31.24 × 24 =
32. 32.24 × 23 =
33. 33.24 × 24 =
34. 34.205 × 209 =
35. 35.86 × 88 =
36. 36.54 × 53 =
37. 37.76 × 78 =
38. 38.305 × 309 =
39. 39.87 × 86 =
40. 40.39 × 36 =

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