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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 670 · 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. 1.71² =
  2. 2.31² =
  3. 3.91² =
  4. 4.23² =
  5. 5.53² =
  6. 6.52² =
  7. 7.12² =
  8. 8.78² =
  9. 9.67² =
  10. 10.57² =
  11. 11.66² =
  12. 12.62² =
  13. 13.89² =
  14. 14.75² =
  15. 15.13² =
  16. 16.39² =
  17. 17.21² =
  18. 18.19² =
  19. 19.31² =
  20. 20.42² =
  21. 21.56² =
  22. 22.33² =
  23. 23.46² =
  24. 24.34² =
  25. 25.12² =
  26. 26.62² =
  27. 27.81² =
  28. 28.85² =
  29. 29.13² =
  30. 30.45² =
  31. 31.64² =
  32. 32.18² =
  33. 33.71² =
  34. 34.78² =
  35. 35.71² =
  36. 36.48² =
  37. 37.34² =
  38. 38.64² =
  39. 39.64² =
  40. 40.24² =

Answer key

  1. 5041
  2. 961
  3. 8281
  4. 529
  5. 2809
  6. 2704
  7. 144
  8. 6084
  9. 4489
  10. 3249
  11. 4356
  12. 3844
  13. 7921
  14. 5625
  15. 169
  16. 1521
  17. 441
  18. 361
  19. 961
  20. 1764
  21. 3136
  22. 1089
  23. 2116
  24. 1156
  25. 144
  26. 3844
  27. 6561
  28. 7225
  29. 169
  30. 2025
  31. 4096
  32. 324
  33. 5041
  34. 6084
  35. 5041
  36. 2304
  37. 1156
  38. 4096
  39. 4096
  40. 576

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