Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 607 · 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. 1.68 × 69 =
2. 2.31 × 34 =
3. 3.401 × 405 =
4. 4.49 × 49 =
5. 5.299 × 296 =
6. 6.596 × 591 =
7. 7.81 × 81 =
8. 8.503 × 502 =
9. 9.81 × 81 =
10. 10.88 × 89 =
11. 11.37 × 38 =
12. 12.34 × 31 =
13. 13.46 × 46 =
14. 14.77 × 77 =
15. 15.296 × 294 =
16. 16.93 × 92 =
17. 17.41 × 43 =
18. 18.51 × 54 =
19. 19.32 × 33 =
20. 20.305 × 309 =
21. 21.53 × 54 =
22. 22.57 × 57 =
23. 23.201 × 207 =
24. 24.53 × 51 =
25. 25.193 × 195 =
26. 26.196 × 199 =
27. 27.496 × 498 =
28. 28.27 × 28 =
29. 29.72 × 73 =
30. 30.16 × 19 =
31. 31.31 × 32 =
32. 32.399 × 392 =
33. 33.305 × 305 =
34. 34.74 × 73 =
35. 35.36 × 39 =
36. 36.28 × 28 =
37. 37.397 × 398 =
38. 38.73 × 71 =
39. 39.93 × 93 =
40. 40.49 × 46 =

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