Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 535 · 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. 1.69 × 67 =
2. 2.76 × 76 =
3. 3.72 × 72 =
4. 4.54 × 51 =
5. 5.302 × 303 =
6. 6.498 × 498 =
7. 7.306 × 306 =
8. 8.191 × 192 =
9. 9.18 × 16 =
10. 10.26 × 27 =
11. 11.402 × 406 =
12. 12.74 × 71 =
13. 13.63 × 64 =
14. 14.295 × 296 =
15. 15.26 × 29 =
16. 16.498 × 494 =
17. 17.203 × 202 =
18. 18.23 × 21 =
19. 19.81 × 83 =
20. 20.44 × 43 =
21. 21.292 × 298 =
22. 22.88 × 89 =
23. 23.199 × 196 =
24. 24.306 × 305 =
25. 25.591 × 595 =
26. 26.499 × 491 =
27. 27.496 × 496 =
28. 28.59 × 58 =
29. 29.207 × 209 =
30. 30.38 × 38 =
31. 31.299 × 299 =
32. 32.69 × 69 =
33. 33.56 × 58 =
34. 34.36 × 36 =
35. 35.83 × 81 =
36. 36.61 × 62 =
37. 37.16 × 17 =
38. 38.609 × 602 =
39. 39.391 × 392 =
40. 40.395 × 393 =

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