Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 362 · 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. 1.24 × 22 =
2. 2.53 × 54 =
3. 3.91 × 94 =
4. 4.59 × 57 =
5. 5.398 × 399 =
6. 6.64 × 64 =
7. 7.21 × 22 =
8. 8.409 × 407 =
9. 9.56 × 58 =
10. 10.49 × 46 =
11. 11.21 × 24 =
12. 12.292 × 292 =
13. 13.67 × 69 =
14. 14.493 × 499 =
15. 15.309 × 309 =
16. 16.193 × 198 =
17. 17.601 × 602 =
18. 18.402 × 408 =
19. 19.492 × 494 =
20. 20.24 × 23 =
21. 21.33 × 34 =
22. 22.594 × 598 =
23. 23.38 × 39 =
24. 24.394 × 396 =
25. 25.43 × 43 =
26. 26.292 × 297 =
27. 27.82 × 81 =
28. 28.208 × 201 =
29. 29.606 × 603 =
30. 30.67 × 67 =
31. 31.292 × 292 =
32. 32.402 × 408 =
33. 33.84 × 84 =
34. 34.203 × 206 =
35. 35.194 × 198 =
36. 36.399 × 399 =
37. 37.64 × 63 =
38. 38.592 × 595 =
39. 39.59 × 58 =
40. 40.23 × 22 =

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