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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 430 · 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. 1.88² =
  2. 2.14² =
  3. 3.73² =
  4. 4.66² =
  5. 5.57² =
  6. 6.38² =
  7. 7.85² =
  8. 8.37² =
  9. 9.21² =
  10. 10.52² =
  11. 11.27² =
  12. 12.47² =
  13. 13.86² =
  14. 14.21² =
  15. 15.26² =
  16. 16.91² =
  17. 17.21² =
  18. 18.62² =
  19. 19.51² =
  20. 20.68² =
  21. 21.29² =
  22. 22.92² =
  23. 23.51² =
  24. 24.32² =
  25. 25.18² =
  26. 26.47² =
  27. 27.74² =
  28. 28.28² =
  29. 29.31² =
  30. 30.78² =
  31. 31.27² =
  32. 32.98² =
  33. 33.75² =
  34. 34.22² =
  35. 35.24² =
  36. 36.44² =
  37. 37.64² =
  38. 38.47² =
  39. 39.97² =
  40. 40.89² =

Answer key

  1. 7744
  2. 196
  3. 5329
  4. 4356
  5. 3249
  6. 1444
  7. 7225
  8. 1369
  9. 441
  10. 2704
  11. 729
  12. 2209
  13. 7396
  14. 441
  15. 676
  16. 8281
  17. 441
  18. 3844
  19. 2601
  20. 4624
  21. 841
  22. 8464
  23. 2601
  24. 1024
  25. 324
  26. 2209
  27. 5476
  28. 784
  29. 961
  30. 6084
  31. 729
  32. 9604
  33. 5625
  34. 484
  35. 576
  36. 1936
  37. 4096
  38. 2209
  39. 9409
  40. 7921

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