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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 859 · 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. 2.99² =
  3. 3.44² =
  4. 4.12² =
  5. 5.62² =
  6. 6.42² =
  7. 7.36² =
  8. 8.28² =
  9. 9.47² =
  10. 10.39² =
  11. 11.14² =
  12. 12.93² =
  13. 13.59² =
  14. 14.64² =
  15. 15.33² =
  16. 16.13² =
  17. 17.78² =
  18. 18.15² =
  19. 19.73² =
  20. 20.63² =
  21. 21.98² =
  22. 22.16² =
  23. 23.71² =
  24. 24.61² =
  25. 25.98² =
  26. 26.18² =
  27. 27.61² =
  28. 28.59² =
  29. 29.57² =
  30. 30.42² =
  31. 31.73² =
  32. 32.62² =
  33. 33.18² =
  34. 34.48² =
  35. 35.69² =
  36. 36.37² =
  37. 37.81² =
  38. 38.49² =
  39. 39.82² =
  40. 40.61² =

Answer key

  1. 484
  2. 9801
  3. 1936
  4. 144
  5. 3844
  6. 1764
  7. 1296
  8. 784
  9. 2209
  10. 1521
  11. 196
  12. 8649
  13. 3481
  14. 4096
  15. 1089
  16. 169
  17. 6084
  18. 225
  19. 5329
  20. 3969
  21. 9604
  22. 256
  23. 5041
  24. 3721
  25. 9604
  26. 324
  27. 3721
  28. 3481
  29. 3249
  30. 1764
  31. 5329
  32. 3844
  33. 324
  34. 2304
  35. 4761
  36. 1369
  37. 6561
  38. 2401
  39. 6724
  40. 3721

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