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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 870 · 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. 1.18² =
  2. 2.76² =
  3. 3.36² =
  4. 4.33² =
  5. 5.41² =
  6. 6.81² =
  7. 7.41² =
  8. 8.49² =
  9. 9.97² =
  10. 10.46² =
  11. 11.45² =
  12. 12.13² =
  13. 13.56² =
  14. 14.54² =
  15. 15.53² =
  16. 16.61² =
  17. 17.37² =
  18. 18.75² =
  19. 19.82² =
  20. 20.72² =
  21. 21.14² =
  22. 22.81² =
  23. 23.88² =
  24. 24.46² =
  25. 25.69² =
  26. 26.19² =
  27. 27.79² =
  28. 28.71² =
  29. 29.56² =
  30. 30.77² =
  31. 31.71² =
  32. 32.25² =
  33. 33.16² =
  34. 34.76² =
  35. 35.52² =
  36. 36.13² =
  37. 37.72² =
  38. 38.64² =
  39. 39.68² =
  40. 40.77² =

Answer key

  1. 324
  2. 5776
  3. 1296
  4. 1089
  5. 1681
  6. 6561
  7. 1681
  8. 2401
  9. 9409
  10. 2116
  11. 2025
  12. 169
  13. 3136
  14. 2916
  15. 2809
  16. 3721
  17. 1369
  18. 5625
  19. 6724
  20. 5184
  21. 196
  22. 6561
  23. 7744
  24. 2116
  25. 4761
  26. 361
  27. 6241
  28. 5041
  29. 3136
  30. 5929
  31. 5041
  32. 625
  33. 256
  34. 5776
  35. 2704
  36. 169
  37. 5184
  38. 4096
  39. 4624
  40. 5929

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