Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 162 · 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. 1.601 × 602 =
2. 2.308 × 303 =
3. 3.89 × 88 =
4. 4.292 × 295 =
5. 5.59 × 59 =
6. 6.203 × 207 =
7. 7.391 × 396 =
8. 8.297 × 297 =
9. 9.592 × 591 =
10. 10.89 × 88 =
11. 11.604 × 605 =
12. 12.17 × 16 =
13. 13.78 × 79 =
14. 14.64 × 62 =
15. 15.508 × 507 =
16. 16.399 × 394 =
17. 17.191 × 194 =
18. 18.26 × 27 =
19. 19.201 × 202 =
20. 20.73 × 72 =
21. 21.308 × 302 =
22. 22.48 × 46 =
23. 23.58 × 57 =
24. 24.73 × 71 =
25. 25.59 × 59 =
26. 26.58 × 59 =
27. 27.57 × 56 =
28. 28.494 × 491 =
29. 29.39 × 39 =
30. 30.38 × 38 =
31. 31.306 × 309 =
32. 32.507 × 505 =
33. 33.406 × 401 =
34. 34.393 × 393 =
35. 35.57 × 59 =
36. 36.507 × 505 =
37. 37.208 × 202 =
38. 38.59 × 57 =
39. 39.592 × 592 =
40. 40.56 × 58 =

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