Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 650 · 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. 1.594 × 598 =
2. 2.595 × 598 =
3. 3.16 × 18 =
4. 4.599 × 591 =
5. 5.19 × 17 =
6. 6.49 × 48 =
7. 7.602 × 609 =
8. 8.407 × 408 =
9. 9.94 × 92 =
10. 10.88 × 89 =
11. 11.93 × 91 =
12. 12.399 × 397 =
13. 13.603 × 608 =
14. 14.46 × 49 =
15. 15.402 × 408 =
16. 16.298 × 294 =
17. 17.91 × 93 =
18. 18.494 × 495 =
19. 19.195 × 195 =
20. 20.73 × 74 =
21. 21.76 × 77 =
22. 22.194 × 194 =
23. 23.205 × 208 =
24. 24.201 × 201 =
25. 25.71 × 71 =
26. 26.16 × 17 =
27. 27.606 × 605 =
28. 28.192 × 192 =
29. 29.86 × 87 =
30. 30.597 × 591 =
31. 31.496 × 494 =
32. 32.44 × 41 =
33. 33.67 × 69 =
34. 34.29 × 29 =
35. 35.597 × 595 =
36. 36.62 × 63 =
37. 37.54 × 51 =
38. 38.605 × 607 =
39. 39.391 × 395 =
40. 40.41 × 41 =

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