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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 973 · 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. 1.53² =
  2. 2.37² =
  3. 3.64² =
  4. 4.51² =
  5. 5.17² =
  6. 6.49² =
  7. 7.61² =
  8. 8.98² =
  9. 9.71² =
  10. 10.38² =
  11. 11.33² =
  12. 12.21² =
  13. 13.11² =
  14. 14.46² =
  15. 15.21² =
  16. 16.61² =
  17. 17.77² =
  18. 18.92² =
  19. 19.37² =
  20. 20.48² =
  21. 21.43² =
  22. 22.33² =
  23. 23.12² =
  24. 24.38² =
  25. 25.92² =
  26. 26.51² =
  27. 27.42² =
  28. 28.99² =
  29. 29.18² =
  30. 30.13² =
  31. 31.94² =
  32. 32.27² =
  33. 33.69² =
  34. 34.52² =
  35. 35.51² =
  36. 36.87² =
  37. 37.82² =
  38. 38.97² =
  39. 39.85² =
  40. 40.18² =

Answer key

  1. 2809
  2. 1369
  3. 4096
  4. 2601
  5. 289
  6. 2401
  7. 3721
  8. 9604
  9. 5041
  10. 1444
  11. 1089
  12. 441
  13. 121
  14. 2116
  15. 441
  16. 3721
  17. 5929
  18. 8464
  19. 1369
  20. 2304
  21. 1849
  22. 1089
  23. 144
  24. 1444
  25. 8464
  26. 2601
  27. 1764
  28. 9801
  29. 324
  30. 169
  31. 8836
  32. 729
  33. 4761
  34. 2704
  35. 2601
  36. 7569
  37. 6724
  38. 9409
  39. 7225
  40. 324

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