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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 154 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.54 × 4 =
  2. 2.34 × 4 =
  3. 3.31 × 4 =
  4. 4.10 × 4 =
  5. 5.12 × 4 =
  6. 6.11 × 4 =
  7. 7.24 × 4 =
  8. 8.41 × 4 =
  9. 9.7 × 4 =
  10. 10.9 × 4 =
  11. 11.25 × 4 =
  12. 12.58 × 4 =
  13. 13.60 × 4 =
  14. 14.39 × 4 =
  15. 15.19 × 4 =
  16. 16.28 × 4 =
  17. 17.30 × 4 =
  18. 18.8 × 4 =
  19. 19.14 × 4 =
  20. 20.32 × 4 =
  21. 21.38 × 4 =
  22. 22.50 × 4 =
  23. 23.13 × 4 =
  24. 24.49 × 4 =
  25. 25.43 × 4 =
  26. 26.33 × 4 =
  27. 27.23 × 4 =
  28. 28.26 × 4 =
  29. 29.48 × 4 =
  30. 30.6 × 4 =
  31. 31.45 × 4 =
  32. 32.21 × 4 =
  33. 33.35 × 4 =
  34. 34.59 × 4 =
  35. 35.52 × 4 =
  36. 36.53 × 4 =
  37. 37.47 × 4 =
  38. 38.22 × 4 =
  39. 39.55 × 4 =
  40. 40.27 × 4 =

Answer key

  1. 216
  2. 136
  3. 124
  4. 40
  5. 48
  6. 44
  7. 96
  8. 164
  9. 28
  10. 36
  11. 100
  12. 232
  13. 240
  14. 156
  15. 76
  16. 112
  17. 120
  18. 32
  19. 56
  20. 128
  21. 152
  22. 200
  23. 52
  24. 196
  25. 172
  26. 132
  27. 92
  28. 104
  29. 192
  30. 24
  31. 180
  32. 84
  33. 140
  34. 236
  35. 208
  36. 212
  37. 188
  38. 88
  39. 220
  40. 108

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