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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 568 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.44 × 4 =
  2. 2.34 × 4 =
  3. 3.59 × 4 =
  4. 4.8 × 4 =
  5. 5.20 × 4 =
  6. 6.17 × 4 =
  7. 7.54 × 4 =
  8. 8.26 × 4 =
  9. 9.56 × 4 =
  10. 10.7 × 4 =
  11. 11.6 × 4 =
  12. 12.16 × 4 =
  13. 13.58 × 4 =
  14. 14.60 × 4 =
  15. 15.18 × 4 =
  16. 16.11 × 4 =
  17. 17.40 × 4 =
  18. 18.29 × 4 =
  19. 19.25 × 4 =
  20. 20.13 × 4 =
  21. 21.42 × 4 =
  22. 22.50 × 4 =
  23. 23.14 × 4 =
  24. 24.36 × 4 =
  25. 25.9 × 4 =
  26. 26.53 × 4 =
  27. 27.10 × 4 =
  28. 28.37 × 4 =
  29. 29.33 × 4 =
  30. 30.21 × 4 =
  31. 31.32 × 4 =
  32. 32.47 × 4 =
  33. 33.57 × 4 =
  34. 34.23 × 4 =
  35. 35.48 × 4 =
  36. 36.12 × 4 =
  37. 37.15 × 4 =
  38. 38.19 × 4 =
  39. 39.49 × 4 =
  40. 40.41 × 4 =

Answer key

  1. 176
  2. 136
  3. 236
  4. 32
  5. 80
  6. 68
  7. 216
  8. 104
  9. 224
  10. 28
  11. 24
  12. 64
  13. 232
  14. 240
  15. 72
  16. 44
  17. 160
  18. 116
  19. 100
  20. 52
  21. 168
  22. 200
  23. 56
  24. 144
  25. 36
  26. 212
  27. 40
  28. 148
  29. 132
  30. 84
  31. 128
  32. 188
  33. 228
  34. 92
  35. 192
  36. 48
  37. 60
  38. 76
  39. 196
  40. 164

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