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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 599 · 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. 1.23² =
  2. 2.73² =
  3. 3.28² =
  4. 4.26² =
  5. 5.29² =
  6. 6.52² =
  7. 7.91² =
  8. 8.48² =
  9. 9.17² =
  10. 10.78² =
  11. 11.71² =
  12. 12.38² =
  13. 13.41² =
  14. 14.61² =
  15. 15.18² =
  16. 16.63² =
  17. 17.96² =
  18. 18.89² =
  19. 19.46² =
  20. 20.71² =
  21. 21.59² =
  22. 22.61² =
  23. 23.22² =
  24. 24.31² =
  25. 25.14² =
  26. 26.76² =
  27. 27.91² =
  28. 28.13² =
  29. 29.92² =
  30. 30.86² =
  31. 31.46² =
  32. 32.57² =
  33. 33.36² =
  34. 34.86² =
  35. 35.23² =
  36. 36.66² =
  37. 37.47² =
  38. 38.31² =
  39. 39.25² =
  40. 40.61² =

Answer key

  1. 529
  2. 5329
  3. 784
  4. 676
  5. 841
  6. 2704
  7. 8281
  8. 2304
  9. 289
  10. 6084
  11. 5041
  12. 1444
  13. 1681
  14. 3721
  15. 324
  16. 3969
  17. 9216
  18. 7921
  19. 2116
  20. 5041
  21. 3481
  22. 3721
  23. 484
  24. 961
  25. 196
  26. 5776
  27. 8281
  28. 169
  29. 8464
  30. 7396
  31. 2116
  32. 3249
  33. 1296
  34. 7396
  35. 529
  36. 4356
  37. 2209
  38. 961
  39. 625
  40. 3721

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