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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 985 · 40 questions
TalentJR

The trick (Double double): Double the number. Double the answer again. That is the number × 4.

NameDateTime takenScore ___ / 40
  1. 1.53 × 4 =
  2. 2.16 × 4 =
  3. 3.9 × 4 =
  4. 4.34 × 4 =
  5. 5.6 × 4 =
  6. 6.7 × 4 =
  7. 7.44 × 4 =
  8. 8.19 × 4 =
  9. 9.40 × 4 =
  10. 10.14 × 4 =
  11. 11.28 × 4 =
  12. 12.8 × 4 =
  13. 13.48 × 4 =
  14. 14.18 × 4 =
  15. 15.38 × 4 =
  16. 16.24 × 4 =
  17. 17.32 × 4 =
  18. 18.50 × 4 =
  19. 19.58 × 4 =
  20. 20.27 × 4 =
  21. 21.60 × 4 =
  22. 22.39 × 4 =
  23. 23.43 × 4 =
  24. 24.57 × 4 =
  25. 25.30 × 4 =
  26. 26.46 × 4 =
  27. 27.41 × 4 =
  28. 28.51 × 4 =
  29. 29.59 × 4 =
  30. 30.23 × 4 =
  31. 31.21 × 4 =
  32. 32.45 × 4 =
  33. 33.36 × 4 =
  34. 34.47 × 4 =
  35. 35.31 × 4 =
  36. 36.12 × 4 =
  37. 37.15 × 4 =
  38. 38.33 × 4 =
  39. 39.17 × 4 =
  40. 40.11 × 4 =

Answer key

  1. 212
  2. 64
  3. 36
  4. 136
  5. 24
  6. 28
  7. 176
  8. 76
  9. 160
  10. 56
  11. 112
  12. 32
  13. 192
  14. 72
  15. 152
  16. 96
  17. 128
  18. 200
  19. 232
  20. 108
  21. 240
  22. 156
  23. 172
  24. 228
  25. 120
  26. 184
  27. 164
  28. 204
  29. 236
  30. 92
  31. 84
  32. 180
  33. 144
  34. 188
  35. 124
  36. 48
  37. 60
  38. 132
  39. 68
  40. 44

Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks