Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 760 · 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. 1.506 × 508 =
2. 2.497 × 494 =
3. 3.79 × 78 =
4. 4.399 × 391 =
5. 5.34 × 33 =
6. 6.298 × 293 =
7. 7.506 × 508 =
8. 8.592 × 597 =
9. 9.308 × 303 =
10. 10.209 × 205 =
11. 11.206 × 201 =
12. 12.401 × 405 =
13. 13.206 × 207 =
14. 14.31 × 33 =
15. 15.54 × 54 =
16. 16.26 × 28 =
17. 17.27 × 29 =
18. 18.496 × 493 =
19. 19.78 × 79 =
20. 20.205 × 207 =
21. 21.38 × 39 =
22. 22.17 × 19 =
23. 23.36 × 36 =
24. 24.24 × 23 =
25. 25.192 × 195 =
26. 26.53 × 51 =
27. 27.407 × 402 =
28. 28.395 × 392 =
29. 29.291 × 291 =
30. 30.57 × 58 =
31. 31.607 × 606 =
32. 32.34 × 34 =
33. 33.37 × 37 =
34. 34.195 × 192 =
35. 35.407 × 409 =
36. 36.402 × 401 =
37. 37.77 × 78 =
38. 38.595 × 598 =
39. 39.199 × 192 =
40. 40.602 × 604 =

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