Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 471 · 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. 1.28 × 26 =
2. 2.73 × 72 =
3. 3.76 × 78 =
4. 4.56 × 56 =
5. 5.21 × 21 =
6. 6.64 × 63 =
7. 7.19 × 16 =
8. 8.76 × 79 =
9. 9.69 × 68 =
10. 10.304 × 303 =
11. 11.209 × 205 =
12. 12.599 × 592 =
13. 13.496 × 499 =
14. 14.406 × 402 =
15. 15.406 × 408 =
16. 16.593 × 596 =
17. 17.72 × 74 =
18. 18.68 × 66 =
19. 19.16 × 17 =
20. 20.72 × 72 =
21. 21.61 × 63 =
22. 22.21 × 22 =
23. 23.204 × 205 =
24. 24.73 × 74 =
25. 25.299 × 295 =
26. 26.53 × 51 =
27. 27.89 × 87 =
28. 28.198 × 196 =
29. 29.499 × 491 =
30. 30.69 × 67 =
31. 31.18 × 18 =
32. 32.88 × 88 =
33. 33.403 × 408 =
34. 34.72 × 73 =
35. 35.293 × 299 =
36. 36.21 × 22 =
37. 37.32 × 34 =
38. 38.507 × 501 =
39. 39.299 × 292 =
40. 40.59 × 59 =

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