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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 297 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.37 × 4 =
  2. 2.58 × 4 =
  3. 3.12 × 4 =
  4. 4.46 × 4 =
  5. 5.50 × 4 =
  6. 6.31 × 4 =
  7. 7.36 × 4 =
  8. 8.29 × 4 =
  9. 9.16 × 4 =
  10. 10.17 × 4 =
  11. 11.18 × 4 =
  12. 12.22 × 4 =
  13. 13.34 × 4 =
  14. 14.60 × 4 =
  15. 15.11 × 4 =
  16. 16.8 × 4 =
  17. 17.10 × 4 =
  18. 18.24 × 4 =
  19. 19.26 × 4 =
  20. 20.32 × 4 =
  21. 21.9 × 4 =
  22. 22.59 × 4 =
  23. 23.6 × 4 =
  24. 24.33 × 4 =
  25. 25.47 × 4 =
  26. 26.57 × 4 =
  27. 27.38 × 4 =
  28. 28.45 × 4 =
  29. 29.23 × 4 =
  30. 30.15 × 4 =
  31. 31.51 × 4 =
  32. 32.53 × 4 =
  33. 33.13 × 4 =
  34. 34.56 × 4 =
  35. 35.14 × 4 =
  36. 36.40 × 4 =
  37. 37.28 × 4 =
  38. 38.7 × 4 =
  39. 39.21 × 4 =
  40. 40.52 × 4 =

Answer key

  1. 148
  2. 232
  3. 48
  4. 184
  5. 200
  6. 124
  7. 144
  8. 116
  9. 64
  10. 68
  11. 72
  12. 88
  13. 136
  14. 240
  15. 44
  16. 32
  17. 40
  18. 96
  19. 104
  20. 128
  21. 36
  22. 236
  23. 24
  24. 132
  25. 188
  26. 228
  27. 152
  28. 180
  29. 92
  30. 60
  31. 204
  32. 212
  33. 52
  34. 224
  35. 56
  36. 160
  37. 112
  38. 28
  39. 84
  40. 208

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