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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 147 · 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. 2.99² =
  3. 3.32² =
  4. 4.51² =
  5. 5.29² =
  6. 6.52² =
  7. 7.97² =
  8. 8.18² =
  9. 9.31² =
  10. 10.64² =
  11. 11.48² =
  12. 12.13² =
  13. 13.43² =
  14. 14.33² =
  15. 15.21² =
  16. 16.74² =
  17. 17.71² =
  18. 18.55² =
  19. 19.92² =
  20. 20.25² =
  21. 21.94² =
  22. 22.29² =
  23. 23.41² =
  24. 24.58² =
  25. 25.31² =
  26. 26.29² =
  27. 27.31² =
  28. 28.85² =
  29. 29.17² =
  30. 30.85² =
  31. 31.71² =
  32. 32.58² =
  33. 33.28² =
  34. 34.47² =
  35. 35.69² =
  36. 36.31² =
  37. 37.66² =
  38. 38.34² =
  39. 39.22² =
  40. 40.37² =

Answer key

  1. 5041
  2. 9801
  3. 1024
  4. 2601
  5. 841
  6. 2704
  7. 9409
  8. 324
  9. 961
  10. 4096
  11. 2304
  12. 169
  13. 1849
  14. 1089
  15. 441
  16. 5476
  17. 5041
  18. 3025
  19. 8464
  20. 625
  21. 8836
  22. 841
  23. 1681
  24. 3364
  25. 961
  26. 841
  27. 961
  28. 7225
  29. 289
  30. 7225
  31. 5041
  32. 3364
  33. 784
  34. 2209
  35. 4761
  36. 961
  37. 4356
  38. 1156
  39. 484
  40. 1369

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