Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 634 · 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. 1.28 × 26 =
2. 2.84 × 84 =
3. 3.83 × 84 =
4. 4.203 × 208 =
5. 5.306 × 304 =
6. 6.44 × 42 =
7. 7.601 × 604 =
8. 8.53 × 52 =
9. 9.404 × 407 =
10. 10.51 × 54 =
11. 11.595 × 597 =
12. 12.597 × 597 =
13. 13.54 × 51 =
14. 14.192 × 198 =
15. 15.44 × 43 =
16. 16.36 × 39 =
17. 17.403 × 404 =
18. 18.503 × 509 =
19. 19.203 × 203 =
20. 20.301 × 305 =
21. 21.501 × 507 =
22. 22.61 × 63 =
23. 23.78 × 79 =
24. 24.197 × 195 =
25. 25.92 × 91 =
26. 26.89 × 87 =
27. 27.196 × 199 =
28. 28.292 × 294 =
29. 29.195 × 191 =
30. 30.44 × 42 =
31. 31.305 × 309 =
32. 32.307 × 303 =
33. 33.19 × 18 =
34. 34.197 × 191 =
35. 35.41 × 41 =
36. 36.399 × 397 =
37. 37.609 × 603 =
38. 38.295 × 298 =
39. 39.53 × 54 =
40. 40.46 × 47 =

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