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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 867 · 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. 1.28² =
  2. 2.53² =
  3. 3.71² =
  4. 4.94² =
  5. 5.21² =
  6. 6.14² =
  7. 7.22² =
  8. 8.85² =
  9. 9.31² =
  10. 10.78² =
  11. 11.52² =
  12. 12.62² =
  13. 13.82² =
  14. 14.64² =
  15. 15.13² =
  16. 16.89² =
  17. 17.62² =
  18. 18.94² =
  19. 19.73² =
  20. 20.71² =
  21. 21.44² =
  22. 22.22² =
  23. 23.89² =
  24. 24.71² =
  25. 25.55² =
  26. 26.79² =
  27. 27.36² =
  28. 28.95² =
  29. 29.52² =
  30. 30.47² =
  31. 31.61² =
  32. 32.93² =
  33. 33.94² =
  34. 34.72² =
  35. 35.56² =
  36. 36.67² =
  37. 37.48² =
  38. 38.35² =
  39. 39.99² =
  40. 40.23² =

Answer key

  1. 784
  2. 2809
  3. 5041
  4. 8836
  5. 441
  6. 196
  7. 484
  8. 7225
  9. 961
  10. 6084
  11. 2704
  12. 3844
  13. 6724
  14. 4096
  15. 169
  16. 7921
  17. 3844
  18. 8836
  19. 5329
  20. 5041
  21. 1936
  22. 484
  23. 7921
  24. 5041
  25. 3025
  26. 6241
  27. 1296
  28. 9025
  29. 2704
  30. 2209
  31. 3721
  32. 8649
  33. 8836
  34. 5184
  35. 3136
  36. 4489
  37. 2304
  38. 1225
  39. 9801
  40. 529

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