Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 574 · 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. 1.53 × 51 =
2. 2.38 × 39 =
3. 3.299 × 297 =
4. 4.77 × 79 =
5. 5.46 × 49 =
6. 6.594 × 596 =
7. 7.409 × 401 =
8. 8.72 × 71 =
9. 9.71 × 71 =
10. 10.195 × 198 =
11. 11.606 × 609 =
12. 12.601 × 609 =
13. 13.16 × 19 =
14. 14.19 × 18 =
15. 15.301 × 305 =
16. 16.59 × 59 =
17. 17.602 × 603 =
18. 18.37 × 37 =
19. 19.393 × 392 =
20. 20.196 × 198 =
21. 21.39 × 37 =
22. 22.299 × 299 =
23. 23.605 × 607 =
24. 24.494 × 491 =
25. 25.66 × 66 =
26. 26.53 × 51 =
27. 27.46 × 46 =
28. 28.293 × 298 =
29. 29.67 × 66 =
30. 30.31 × 33 =
31. 31.594 × 596 =
32. 32.68 × 68 =
33. 33.298 × 299 =
34. 34.17 × 16 =
35. 35.592 × 599 =
36. 36.298 × 299 =
37. 37.399 × 399 =
38. 38.54 × 51 =
39. 39.41 × 43 =
40. 40.399 × 397 =

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