Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 202 · 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. 1.399 × 395 =
2. 2.28 × 27 =
3. 3.46 × 47 =
4. 4.47 × 47 =
5. 5.304 × 309 =
6. 6.34 × 33 =
7. 7.93 × 92 =
8. 8.49 × 47 =
9. 9.83 × 84 =
10. 10.201 × 201 =
11. 11.608 × 605 =
12. 12.22 × 21 =
13. 13.23 × 24 =
14. 14.49 × 49 =
15. 15.307 × 304 =
16. 16.84 × 82 =
17. 17.201 × 209 =
18. 18.299 × 296 =
19. 19.392 × 396 =
20. 20.46 × 49 =
21. 21.591 × 597 =
22. 22.206 × 205 =
23. 23.599 × 595 =
24. 24.599 × 598 =
25. 25.88 × 87 =
26. 26.27 × 29 =
27. 27.26 × 28 =
28. 28.64 × 63 =
29. 29.72 × 74 =
30. 30.88 × 87 =
31. 31.24 × 22 =
32. 32.91 × 94 =
33. 33.28 × 28 =
34. 34.74 × 71 =
35. 35.605 × 606 =
36. 36.29 × 26 =
37. 37.92 × 92 =
38. 38.88 × 87 =
39. 39.396 × 391 =
40. 40.305 × 304 =

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