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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 739 · 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. 1.84² =
  2. 2.41² =
  3. 3.94² =
  4. 4.54² =
  5. 5.14² =
  6. 6.64² =
  7. 7.64² =
  8. 8.27² =
  9. 9.91² =
  10. 10.61² =
  11. 11.71² =
  12. 12.25² =
  13. 13.14² =
  14. 14.19² =
  15. 15.85² =
  16. 16.12² =
  17. 17.52² =
  18. 18.79² =
  19. 19.61² =
  20. 20.68² =
  21. 21.47² =
  22. 22.39² =
  23. 23.74² =
  24. 24.94² =
  25. 25.91² =
  26. 26.13² =
  27. 27.78² =
  28. 28.97² =
  29. 29.96² =
  30. 30.72² =
  31. 31.94² =
  32. 32.72² =
  33. 33.55² =
  34. 34.29² =
  35. 35.72² =
  36. 36.61² =
  37. 37.22² =
  38. 38.25² =
  39. 39.38² =
  40. 40.92² =

Answer key

  1. 7056
  2. 1681
  3. 8836
  4. 2916
  5. 196
  6. 4096
  7. 4096
  8. 729
  9. 8281
  10. 3721
  11. 5041
  12. 625
  13. 196
  14. 361
  15. 7225
  16. 144
  17. 2704
  18. 6241
  19. 3721
  20. 4624
  21. 2209
  22. 1521
  23. 5476
  24. 8836
  25. 8281
  26. 169
  27. 6084
  28. 9409
  29. 9216
  30. 5184
  31. 8836
  32. 5184
  33. 3025
  34. 841
  35. 5184
  36. 3721
  37. 484
  38. 625
  39. 1444
  40. 8464

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