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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 44 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.12 × 4 =
  2. 2.10 × 4 =
  3. 3.32 × 4 =
  4. 4.35 × 4 =
  5. 5.19 × 4 =
  6. 6.24 × 4 =
  7. 7.23 × 4 =
  8. 8.60 × 4 =
  9. 9.57 × 4 =
  10. 10.44 × 4 =
  11. 11.13 × 4 =
  12. 12.37 × 4 =
  13. 13.48 × 4 =
  14. 14.17 × 4 =
  15. 15.51 × 4 =
  16. 16.29 × 4 =
  17. 17.52 × 4 =
  18. 18.33 × 4 =
  19. 19.26 × 4 =
  20. 20.42 × 4 =
  21. 21.6 × 4 =
  22. 22.7 × 4 =
  23. 23.18 × 4 =
  24. 24.25 × 4 =
  25. 25.36 × 4 =
  26. 26.34 × 4 =
  27. 27.43 × 4 =
  28. 28.55 × 4 =
  29. 29.14 × 4 =
  30. 30.28 × 4 =
  31. 31.31 × 4 =
  32. 32.15 × 4 =
  33. 33.21 × 4 =
  34. 34.27 × 4 =
  35. 35.47 × 4 =
  36. 36.38 × 4 =
  37. 37.56 × 4 =
  38. 38.59 × 4 =
  39. 39.9 × 4 =
  40. 40.11 × 4 =

Answer key

  1. 48
  2. 40
  3. 128
  4. 140
  5. 76
  6. 96
  7. 92
  8. 240
  9. 228
  10. 176
  11. 52
  12. 148
  13. 192
  14. 68
  15. 204
  16. 116
  17. 208
  18. 132
  19. 104
  20. 168
  21. 24
  22. 28
  23. 72
  24. 100
  25. 144
  26. 136
  27. 172
  28. 220
  29. 56
  30. 112
  31. 124
  32. 60
  33. 84
  34. 108
  35. 188
  36. 152
  37. 224
  38. 236
  39. 36
  40. 44

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