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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 879 · 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. 1.22² =
  2. 2.62² =
  3. 3.58² =
  4. 4.71² =
  5. 5.21² =
  6. 6.74² =
  7. 7.37² =
  8. 8.95² =
  9. 9.48² =
  10. 10.19² =
  11. 11.24² =
  12. 12.88² =
  13. 13.43² =
  14. 14.61² =
  15. 15.61² =
  16. 16.21² =
  17. 17.62² =
  18. 18.54² =
  19. 19.66² =
  20. 20.86² =
  21. 21.83² =
  22. 22.39² =
  23. 23.81² =
  24. 24.99² =
  25. 25.73² =
  26. 26.92² =
  27. 27.61² =
  28. 28.61² =
  29. 29.94² =
  30. 30.91² =
  31. 31.24² =
  32. 32.52² =
  33. 33.89² =
  34. 34.41² =
  35. 35.42² =
  36. 36.82² =
  37. 37.94² =
  38. 38.53² =
  39. 39.91² =
  40. 40.24² =

Answer key

  1. 484
  2. 3844
  3. 3364
  4. 5041
  5. 441
  6. 5476
  7. 1369
  8. 9025
  9. 2304
  10. 361
  11. 576
  12. 7744
  13. 1849
  14. 3721
  15. 3721
  16. 441
  17. 3844
  18. 2916
  19. 4356
  20. 7396
  21. 6889
  22. 1521
  23. 6561
  24. 9801
  25. 5329
  26. 8464
  27. 3721
  28. 3721
  29. 8836
  30. 8281
  31. 576
  32. 2704
  33. 7921
  34. 1681
  35. 1764
  36. 6724
  37. 8836
  38. 2809
  39. 8281
  40. 576

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