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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 53 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.59 × 4 =
  2. 2.19 × 4 =
  3. 3.45 × 4 =
  4. 4.33 × 4 =
  5. 5.50 × 4 =
  6. 6.35 × 4 =
  7. 7.18 × 4 =
  8. 8.28 × 4 =
  9. 9.42 × 4 =
  10. 10.20 × 4 =
  11. 11.37 × 4 =
  12. 12.44 × 4 =
  13. 13.16 × 4 =
  14. 14.15 × 4 =
  15. 15.25 × 4 =
  16. 16.56 × 4 =
  17. 17.39 × 4 =
  18. 18.29 × 4 =
  19. 19.55 × 4 =
  20. 20.24 × 4 =
  21. 21.52 × 4 =
  22. 22.21 × 4 =
  23. 23.32 × 4 =
  24. 24.13 × 4 =
  25. 25.36 × 4 =
  26. 26.9 × 4 =
  27. 27.27 × 4 =
  28. 28.48 × 4 =
  29. 29.23 × 4 =
  30. 30.57 × 4 =
  31. 31.6 × 4 =
  32. 32.10 × 4 =
  33. 33.17 × 4 =
  34. 34.26 × 4 =
  35. 35.58 × 4 =
  36. 36.38 × 4 =
  37. 37.46 × 4 =
  38. 38.54 × 4 =
  39. 39.8 × 4 =
  40. 40.51 × 4 =

Answer key

  1. 236
  2. 76
  3. 180
  4. 132
  5. 200
  6. 140
  7. 72
  8. 112
  9. 168
  10. 80
  11. 148
  12. 176
  13. 64
  14. 60
  15. 100
  16. 224
  17. 156
  18. 116
  19. 220
  20. 96
  21. 208
  22. 84
  23. 128
  24. 52
  25. 144
  26. 36
  27. 108
  28. 192
  29. 92
  30. 228
  31. 24
  32. 40
  33. 68
  34. 104
  35. 232
  36. 152
  37. 184
  38. 216
  39. 32
  40. 204

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