Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 827 · 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. 1.46 × 47 =
2. 2.62 × 61 =
3. 3.62 × 64 =
4. 4.604 × 608 =
5. 5.16 × 19 =
6. 6.89 × 86 =
7. 7.83 × 83 =
8. 8.302 × 302 =
9. 9.61 × 64 =
10. 10.31 × 33 =
11. 11.206 × 203 =
12. 12.26 × 28 =
13. 13.79 × 79 =
14. 14.44 × 41 =
15. 15.41 × 43 =
16. 16.16 × 19 =
17. 17.24 × 21 =
18. 18.87 × 86 =
19. 19.202 × 208 =
20. 20.86 × 87 =
21. 21.296 × 293 =
22. 22.73 × 71 =
23. 23.503 × 503 =
24. 24.84 × 84 =
25. 25.29 × 27 =
26. 26.308 × 301 =
27. 27.599 × 593 =
28. 28.69 × 69 =
29. 29.608 × 609 =
30. 30.33 × 34 =
31. 31.198 × 194 =
32. 32.604 × 604 =
33. 33.294 × 297 =
34. 34.91 × 92 =
35. 35.89 × 86 =
36. 36.21 × 23 =
37. 37.32 × 31 =
38. 38.82 × 81 =
39. 39.202 × 208 =
40. 40.604 × 603 =

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