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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 611 · 40 sums
TalentJR

The trick (Dwandwa Yoga): For the number ab: right column = b². Middle column = 2 × a × b. Left column = a². Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.71² =
  2. 2.39² =
  3. 3.11² =
  4. 4.82² =
  5. 5.89² =
  6. 6.49² =
  7. 7.75² =
  8. 8.74² =
  9. 9.22² =
  10. 10.95² =
  11. 11.71² =
  12. 12.17² =
  13. 13.81² =
  14. 14.13² =
  15. 15.66² =
  16. 16.24² =
  17. 17.58² =
  18. 18.11² =
  19. 19.64² =
  20. 20.61² =
  21. 21.61² =
  22. 22.12² =
  23. 23.37² =
  24. 24.83² =
  25. 25.79² =
  26. 26.79² =
  27. 27.16² =
  28. 28.91² =
  29. 29.93² =
  30. 30.91² =
  31. 31.99² =
  32. 32.26² =
  33. 33.75² =
  34. 34.72² =
  35. 35.16² =
  36. 36.71² =
  37. 37.37² =
  38. 38.93² =
  39. 39.92² =
  40. 40.25² =

Answer key

  1. 5041
  2. 1521
  3. 121
  4. 6724
  5. 7921
  6. 2401
  7. 5625
  8. 5476
  9. 484
  10. 9025
  11. 5041
  12. 289
  13. 6561
  14. 169
  15. 4356
  16. 576
  17. 3364
  18. 121
  19. 4096
  20. 3721
  21. 3721
  22. 144
  23. 1369
  24. 6889
  25. 6241
  26. 6241
  27. 256
  28. 8281
  29. 8649
  30. 8281
  31. 9801
  32. 676
  33. 5625
  34. 5184
  35. 256
  36. 5041
  37. 1369
  38. 8649
  39. 8464
  40. 625

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