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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 210 · 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. 1.81² =
  2. 2.81² =
  3. 3.36² =
  4. 4.91² =
  5. 5.46² =
  6. 6.24² =
  7. 7.33² =
  8. 8.24² =
  9. 9.27² =
  10. 10.61² =
  11. 11.14² =
  12. 12.13² =
  13. 13.37² =
  14. 14.92² =
  15. 15.38² =
  16. 16.11² =
  17. 17.16² =
  18. 18.21² =
  19. 19.66² =
  20. 20.26² =
  21. 21.21² =
  22. 22.34² =
  23. 23.68² =
  24. 24.32² =
  25. 25.58² =
  26. 26.59² =
  27. 27.59² =
  28. 28.95² =
  29. 29.34² =
  30. 30.39² =
  31. 31.88² =
  32. 32.81² =
  33. 33.71² =
  34. 34.84² =
  35. 35.61² =
  36. 36.15² =
  37. 37.94² =
  38. 38.39² =
  39. 39.71² =
  40. 40.18² =

Answer key

  1. 6561
  2. 6561
  3. 1296
  4. 8281
  5. 2116
  6. 576
  7. 1089
  8. 576
  9. 729
  10. 3721
  11. 196
  12. 169
  13. 1369
  14. 8464
  15. 1444
  16. 121
  17. 256
  18. 441
  19. 4356
  20. 676
  21. 441
  22. 1156
  23. 4624
  24. 1024
  25. 3364
  26. 3481
  27. 3481
  28. 9025
  29. 1156
  30. 1521
  31. 7744
  32. 6561
  33. 5041
  34. 7056
  35. 3721
  36. 225
  37. 8836
  38. 1521
  39. 5041
  40. 324

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