Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 887 · 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. 1.49 × 47 =
2. 2.598 × 598 =
3. 3.51 × 53 =
4. 4.53 × 52 =
5. 5.406 × 409 =
6. 6.67 × 69 =
7. 7.401 × 402 =
8. 8.294 × 296 =
9. 9.193 × 191 =
10. 10.606 × 602 =
11. 11.74 × 73 =
12. 12.208 × 207 =
13. 13.199 × 197 =
14. 14.89 × 89 =
15. 15.81 × 82 =
16. 16.193 × 198 =
17. 17.296 × 293 =
18. 18.294 × 299 =
19. 19.499 × 495 =
20. 20.53 × 53 =
21. 21.199 × 198 =
22. 22.91 × 93 =
23. 23.62 × 63 =
24. 24.204 × 205 =
25. 25.297 × 297 =
26. 26.394 × 391 =
27. 27.86 × 87 =
28. 28.191 × 195 =
29. 29.38 × 36 =
30. 30.24 × 24 =
31. 31.607 × 602 =
32. 32.34 × 33 =
33. 33.493 × 492 =
34. 34.394 × 397 =
35. 35.46 × 47 =
36. 36.198 × 195 =
37. 37.71 × 73 =
38. 38.32 × 33 =
39. 39.91 × 91 =
40. 40.19 × 16 =

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