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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 24 · 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. 1.46² =
  2. 2.27² =
  3. 3.98² =
  4. 4.62² =
  5. 5.74² =
  6. 6.29² =
  7. 7.64² =
  8. 8.68² =
  9. 9.98² =
  10. 10.77² =
  11. 11.86² =
  12. 12.33² =
  13. 13.71² =
  14. 14.28² =
  15. 15.54² =
  16. 16.36² =
  17. 17.62² =
  18. 18.37² =
  19. 19.36² =
  20. 20.98² =
  21. 21.37² =
  22. 22.48² =
  23. 23.63² =
  24. 24.21² =
  25. 25.47² =
  26. 26.34² =
  27. 27.56² =
  28. 28.68² =
  29. 29.18² =
  30. 30.23² =
  31. 31.16² =
  32. 32.99² =
  33. 33.56² =
  34. 34.32² =
  35. 35.86² =
  36. 36.23² =
  37. 37.89² =
  38. 38.41² =
  39. 39.95² =
  40. 40.48² =

Answer key

  1. 2116
  2. 729
  3. 9604
  4. 3844
  5. 5476
  6. 841
  7. 4096
  8. 4624
  9. 9604
  10. 5929
  11. 7396
  12. 1089
  13. 5041
  14. 784
  15. 2916
  16. 1296
  17. 3844
  18. 1369
  19. 1296
  20. 9604
  21. 1369
  22. 2304
  23. 3969
  24. 441
  25. 2209
  26. 1156
  27. 3136
  28. 4624
  29. 324
  30. 529
  31. 256
  32. 9801
  33. 3136
  34. 1024
  35. 7396
  36. 529
  37. 7921
  38. 1681
  39. 9025
  40. 2304

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