Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 960 · 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 × 94 =
2. 2.81 × 81 =
3. 3.193 × 196 =
4. 4.503 × 503 =
5. 5.307 × 305 =
6. 6.89 × 89 =
7. 7.51 × 52 =
8. 8.208 × 202 =
9. 9.304 × 304 =
10. 10.69 × 69 =
11. 11.24 × 22 =
12. 12.59 × 56 =
13. 13.34 × 34 =
14. 14.71 × 71 =
15. 15.292 × 294 =
16. 16.72 × 73 =
17. 17.88 × 87 =
18. 18.71 × 74 =
19. 19.52 × 54 =
20. 20.62 × 62 =
21. 21.21 × 21 =
22. 22.78 × 77 =
23. 23.302 × 301 =
24. 24.408 × 409 =
25. 25.44 × 41 =
26. 26.46 × 48 =
27. 27.16 × 16 =
28. 28.599 × 592 =
29. 29.83 × 84 =
30. 30.403 × 404 =
31. 31.399 × 397 =
32. 32.601 × 607 =
33. 33.21 × 24 =
34. 34.196 × 199 =
35. 35.201 × 203 =
36. 36.63 × 63 =
37. 37.399 × 399 =
38. 38.92 × 94 =
39. 39.57 × 59 =
40. 40.396 × 399 =

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