Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 441 · 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. 1.31 × 32 =
2. 2.36 × 38 =
3. 3.76 × 77 =
4. 4.299 × 299 =
5. 5.73 × 71 =
6. 6.605 × 602 =
7. 7.198 × 196 =
8. 8.92 × 91 =
9. 9.601 × 604 =
10. 10.501 × 504 =
11. 11.94 × 92 =
12. 12.303 × 304 =
13. 13.404 × 403 =
14. 14.19 × 18 =
15. 15.297 × 299 =
16. 16.94 × 93 =
17. 17.199 × 192 =
18. 18.36 × 36 =
19. 19.607 × 603 =
20. 20.295 × 295 =
21. 21.86 × 86 =
22. 22.193 × 194 =
23. 23.503 × 502 =
24. 24.302 × 301 =
25. 25.61 × 62 =
26. 26.602 × 608 =
27. 27.209 × 202 =
28. 28.593 × 598 =
29. 29.602 × 607 =
30. 30.306 × 309 =
31. 31.39 × 39 =
32. 32.306 × 306 =
33. 33.81 × 82 =
34. 34.29 × 27 =
35. 35.195 × 191 =
36. 36.92 × 91 =
37. 37.71 × 72 =
38. 38.21 × 23 =
39. 39.77 × 78 =
40. 40.61 × 62 =

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