Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 561 · 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. 1.204 × 208 =
2. 2.498 × 497 =
3. 3.29 × 28 =
4. 4.294 × 299 =
5. 5.204 × 208 =
6. 6.401 × 407 =
7. 7.48 × 49 =
8. 8.17 × 18 =
9. 9.297 × 298 =
10. 10.92 × 91 =
11. 11.492 × 498 =
12. 12.92 × 91 =
13. 13.19 × 19 =
14. 14.88 × 88 =
15. 15.196 × 197 =
16. 16.62 × 62 =
17. 17.597 × 592 =
18. 18.397 × 395 =
19. 19.506 × 503 =
20. 20.54 × 52 =
21. 21.391 × 391 =
22. 22.405 × 407 =
23. 23.301 × 306 =
24. 24.61 × 61 =
25. 25.17 × 19 =
26. 26.34 × 33 =
27. 27.295 × 295 =
28. 28.89 × 87 =
29. 29.42 × 41 =
30. 30.58 × 57 =
31. 31.16 × 17 =
32. 32.207 × 202 =
33. 33.34 × 31 =
34. 34.91 × 93 =
35. 35.299 × 297 =
36. 36.38 × 38 =
37. 37.605 × 603 =
38. 38.204 × 201 =
39. 39.67 × 67 =
40. 40.502 × 502 =

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