Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 564 · 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. 1.74 × 71 =
2. 2.21 × 21 =
3. 3.605 × 603 =
4. 4.27 × 26 =
5. 5.303 × 307 =
6. 6.209 × 205 =
7. 7.16 × 19 =
8. 8.495 × 494 =
9. 9.495 × 497 =
10. 10.309 × 307 =
11. 11.308 × 309 =
12. 12.38 × 38 =
13. 13.298 × 291 =
14. 14.66 × 69 =
15. 15.207 × 208 =
16. 16.44 × 41 =
17. 17.71 × 71 =
18. 18.292 × 299 =
19. 19.57 × 56 =
20. 20.76 × 79 =
21. 21.201 × 205 =
22. 22.603 × 608 =
23. 23.602 × 604 =
24. 24.94 × 91 =
25. 25.399 × 397 =
26. 26.92 × 91 =
27. 27.492 × 497 =
28. 28.26 × 26 =
29. 29.38 × 36 =
30. 30.71 × 73 =
31. 31.49 × 49 =
32. 32.602 × 608 =
33. 33.29 × 26 =
34. 34.305 × 309 =
35. 35.56 × 59 =
36. 36.298 × 293 =
37. 37.294 × 292 =
38. 38.299 × 295 =
39. 39.207 × 205 =
40. 40.28 × 26 =

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