Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 152 · 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. 1.91 × 91 =
2. 2.305 × 306 =
3. 3.309 × 305 =
4. 4.196 × 196 =
5. 5.604 × 601 =
6. 6.297 × 293 =
7. 7.195 × 195 =
8. 8.36 × 36 =
9. 9.506 × 502 =
10. 10.603 × 606 =
11. 11.193 × 194 =
12. 12.27 × 27 =
13. 13.84 × 83 =
14. 14.391 × 397 =
15. 15.303 × 308 =
16. 16.59 × 56 =
17. 17.34 × 31 =
18. 18.602 × 601 =
19. 19.38 × 39 =
20. 20.601 × 604 =
21. 21.94 × 94 =
22. 22.16 × 19 =
23. 23.22 × 21 =
24. 24.71 × 71 =
25. 25.79 × 76 =
26. 26.91 × 94 =
27. 27.492 × 493 =
28. 28.208 × 202 =
29. 29.81 × 81 =
30. 30.18 × 19 =
31. 31.77 × 76 =
32. 32.28 × 27 =
33. 33.67 × 66 =
34. 34.24 × 24 =
35. 35.91 × 91 =
36. 36.84 × 81 =
37. 37.23 × 23 =
38. 38.31 × 33 =
39. 39.46 × 48 =
40. 40.16 × 19 =

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