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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 233 · 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. 1.14² =
  2. 2.44² =
  3. 3.95² =
  4. 4.25² =
  5. 5.25² =
  6. 6.33² =
  7. 7.22² =
  8. 8.89² =
  9. 9.66² =
  10. 10.31² =
  11. 11.67² =
  12. 12.64² =
  13. 13.64² =
  14. 14.48² =
  15. 15.79² =
  16. 16.49² =
  17. 17.76² =
  18. 18.37² =
  19. 19.66² =
  20. 20.34² =
  21. 21.32² =
  22. 22.74² =
  23. 23.14² =
  24. 24.67² =
  25. 25.24² =
  26. 26.66² =
  27. 27.92² =
  28. 28.87² =
  29. 29.49² =
  30. 30.61² =
  31. 31.35² =
  32. 32.52² =
  33. 33.13² =
  34. 34.29² =
  35. 35.95² =
  36. 36.21² =
  37. 37.24² =
  38. 38.21² =
  39. 39.46² =
  40. 40.72² =

Answer key

  1. 196
  2. 1936
  3. 9025
  4. 625
  5. 625
  6. 1089
  7. 484
  8. 7921
  9. 4356
  10. 961
  11. 4489
  12. 4096
  13. 4096
  14. 2304
  15. 6241
  16. 2401
  17. 5776
  18. 1369
  19. 4356
  20. 1156
  21. 1024
  22. 5476
  23. 196
  24. 4489
  25. 576
  26. 4356
  27. 8464
  28. 7569
  29. 2401
  30. 3721
  31. 1225
  32. 2704
  33. 169
  34. 841
  35. 9025
  36. 441
  37. 576
  38. 441
  39. 2116
  40. 5184

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