Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 578 · 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. 1.63 × 62 =
2. 2.28 × 27 =
3. 3.304 × 301 =
4. 4.66 × 66 =
5. 5.493 × 493 =
6. 6.201 × 205 =
7. 7.399 × 393 =
8. 8.16 × 17 =
9. 9.303 × 306 =
10. 10.93 × 91 =
11. 11.499 × 491 =
12. 12.91 × 92 =
13. 13.74 × 74 =
14. 14.69 × 66 =
15. 15.206 × 202 =
16. 16.294 × 297 =
17. 17.63 × 62 =
18. 18.305 × 308 =
19. 19.21 × 21 =
20. 20.64 × 61 =
21. 21.604 × 605 =
22. 22.604 × 605 =
23. 23.596 × 599 =
24. 24.51 × 52 =
25. 25.307 × 302 =
26. 26.72 × 72 =
27. 27.63 × 61 =
28. 28.494 × 499 =
29. 29.199 × 198 =
30. 30.604 × 609 =
31. 31.21 × 21 =
32. 32.38 × 38 =
33. 33.592 × 599 =
34. 34.191 × 198 =
35. 35.19 × 17 =
36. 36.206 × 209 =
37. 37.595 × 594 =
38. 38.49 × 46 =
39. 39.23 × 22 =
40. 40.196 × 198 =

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