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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 20 · 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. 1.56² =
  2. 2.97² =
  3. 3.43² =
  4. 4.33² =
  5. 5.52² =
  6. 6.68² =
  7. 7.98² =
  8. 8.21² =
  9. 9.69² =
  10. 10.22² =
  11. 11.48² =
  12. 12.38² =
  13. 13.15² =
  14. 14.95² =
  15. 15.52² =
  16. 16.39² =
  17. 17.97² =
  18. 18.35² =
  19. 19.86² =
  20. 20.36² =
  21. 21.37² =
  22. 22.55² =
  23. 23.32² =
  24. 24.72² =
  25. 25.13² =
  26. 26.79² =
  27. 27.82² =
  28. 28.49² =
  29. 29.35² =
  30. 30.32² =
  31. 31.12² =
  32. 32.66² =
  33. 33.35² =
  34. 34.89² =
  35. 35.19² =
  36. 36.17² =
  37. 37.42² =
  38. 38.78² =
  39. 39.64² =
  40. 40.31² =

Answer key

  1. 3136
  2. 9409
  3. 1849
  4. 1089
  5. 2704
  6. 4624
  7. 9604
  8. 441
  9. 4761
  10. 484
  11. 2304
  12. 1444
  13. 225
  14. 9025
  15. 2704
  16. 1521
  17. 9409
  18. 1225
  19. 7396
  20. 1296
  21. 1369
  22. 3025
  23. 1024
  24. 5184
  25. 169
  26. 6241
  27. 6724
  28. 2401
  29. 1225
  30. 1024
  31. 144
  32. 4356
  33. 1225
  34. 7921
  35. 361
  36. 289
  37. 1764
  38. 6084
  39. 4096
  40. 961

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