Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 136 · 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. 1.36 × 37 =
2. 2.401 × 404 =
3. 3.48 × 46 =
4. 4.78 × 76 =
5. 5.298 × 297 =
6. 6.53 × 51 =
7. 7.402 × 405 =
8. 8.397 × 392 =
9. 9.53 × 53 =
10. 10.83 × 83 =
11. 11.26 × 29 =
12. 12.66 × 67 =
13. 13.51 × 51 =
14. 14.195 × 196 =
15. 15.293 × 299 =
16. 16.18 × 17 =
17. 17.48 × 47 =
18. 18.63 × 61 =
19. 19.94 × 94 =
20. 20.79 × 79 =
21. 21.57 × 56 =
22. 22.23 × 21 =
23. 23.299 × 298 =
24. 24.77 × 79 =
25. 25.604 × 604 =
26. 26.401 × 407 =
27. 27.38 × 37 =
28. 28.36 × 39 =
29. 29.57 × 58 =
30. 30.79 × 76 =
31. 31.209 × 204 =
32. 32.599 × 594 =
33. 33.39 × 36 =
34. 34.598 × 596 =
35. 35.58 × 58 =
36. 36.404 × 408 =
37. 37.24 × 22 =
38. 38.54 × 51 =
39. 39.23 × 22 =
40. 40.407 × 407 =

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