Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 983 · 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. 1.53 × 54 =
2. 2.302 × 301 =
3. 3.596 × 599 =
4. 4.34 × 31 =
5. 5.606 × 602 =
6. 6.607 × 603 =
7. 7.49 × 49 =
8. 8.57 × 56 =
9. 9.93 × 91 =
10. 10.59 × 57 =
11. 11.309 × 309 =
12. 12.203 × 206 =
13. 13.306 × 304 =
14. 14.393 × 396 =
15. 15.17 × 19 =
16. 16.18 × 16 =
17. 17.496 × 497 =
18. 18.49 × 48 =
19. 19.503 × 506 =
20. 20.76 × 77 =
21. 21.203 × 201 =
22. 22.39 × 39 =
23. 23.46 × 47 =
24. 24.305 × 303 =
25. 25.596 × 595 =
26. 26.58 × 59 =
27. 27.593 × 599 =
28. 28.46 × 48 =
29. 29.49 × 46 =
30. 30.91 × 91 =
31. 31.591 × 592 =
32. 32.305 × 302 =
33. 33.596 × 595 =
34. 34.298 × 291 =
35. 35.72 × 72 =
36. 36.508 × 501 =
37. 37.604 × 608 =
38. 38.597 × 599 =
39. 39.303 × 308 =
40. 40.299 × 298 =

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