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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 10 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.9 × 4 =
  2. 2.24 × 4 =
  3. 3.8 × 4 =
  4. 4.31 × 4 =
  5. 5.18 × 4 =
  6. 6.37 × 4 =
  7. 7.47 × 4 =
  8. 8.19 × 4 =
  9. 9.17 × 4 =
  10. 10.58 × 4 =
  11. 11.7 × 4 =
  12. 12.55 × 4 =
  13. 13.56 × 4 =
  14. 14.26 × 4 =
  15. 15.33 × 4 =
  16. 16.20 × 4 =
  17. 17.29 × 4 =
  18. 18.49 × 4 =
  19. 19.16 × 4 =
  20. 20.50 × 4 =
  21. 21.46 × 4 =
  22. 22.12 × 4 =
  23. 23.32 × 4 =
  24. 24.42 × 4 =
  25. 25.23 × 4 =
  26. 26.21 × 4 =
  27. 27.34 × 4 =
  28. 28.27 × 4 =
  29. 29.53 × 4 =
  30. 30.28 × 4 =
  31. 31.39 × 4 =
  32. 32.43 × 4 =
  33. 33.25 × 4 =
  34. 34.36 × 4 =
  35. 35.60 × 4 =
  36. 36.10 × 4 =
  37. 37.14 × 4 =
  38. 38.11 × 4 =
  39. 39.38 × 4 =
  40. 40.45 × 4 =

Answer key

  1. 36
  2. 96
  3. 32
  4. 124
  5. 72
  6. 148
  7. 188
  8. 76
  9. 68
  10. 232
  11. 28
  12. 220
  13. 224
  14. 104
  15. 132
  16. 80
  17. 116
  18. 196
  19. 64
  20. 200
  21. 184
  22. 48
  23. 128
  24. 168
  25. 92
  26. 84
  27. 136
  28. 108
  29. 212
  30. 112
  31. 156
  32. 172
  33. 100
  34. 144
  35. 240
  36. 40
  37. 56
  38. 44
  39. 152
  40. 180

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