Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 475 · 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. 1.89 × 86 =
2. 2.61 × 64 =
3. 3.39 × 36 =
4. 4.192 × 194 =
5. 5.198 × 195 =
6. 6.21 × 24 =
7. 7.603 × 608 =
8. 8.191 × 195 =
9. 9.61 × 61 =
10. 10.203 × 206 =
11. 11.191 × 192 =
12. 12.67 × 69 =
13. 13.18 × 16 =
14. 14.501 × 501 =
15. 15.496 × 492 =
16. 16.46 × 49 =
17. 17.47 × 46 =
18. 18.78 × 77 =
19. 19.594 × 596 =
20. 20.17 × 16 =
21. 21.22 × 22 =
22. 22.82 × 84 =
23. 23.29 × 29 =
24. 24.191 × 192 =
25. 25.298 × 296 =
26. 26.49 × 47 =
27. 27.64 × 64 =
28. 28.201 × 202 =
29. 29.605 × 609 =
30. 30.208 × 201 =
31. 31.47 × 49 =
32. 32.395 × 393 =
33. 33.304 × 302 =
34. 34.77 × 77 =
35. 35.29 × 29 =
36. 36.597 × 595 =
37. 37.23 × 23 =
38. 38.76 × 78 =
39. 39.292 × 299 =
40. 40.609 × 606 =

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