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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 424 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.47 × 4 =
  2. 2.44 × 4 =
  3. 3.54 × 4 =
  4. 4.22 × 4 =
  5. 5.7 × 4 =
  6. 6.8 × 4 =
  7. 7.32 × 4 =
  8. 8.14 × 4 =
  9. 9.52 × 4 =
  10. 10.20 × 4 =
  11. 11.43 × 4 =
  12. 12.42 × 4 =
  13. 13.41 × 4 =
  14. 14.21 × 4 =
  15. 15.50 × 4 =
  16. 16.15 × 4 =
  17. 17.60 × 4 =
  18. 18.24 × 4 =
  19. 19.59 × 4 =
  20. 20.46 × 4 =
  21. 21.36 × 4 =
  22. 22.12 × 4 =
  23. 23.10 × 4 =
  24. 24.49 × 4 =
  25. 25.57 × 4 =
  26. 26.33 × 4 =
  27. 27.56 × 4 =
  28. 28.18 × 4 =
  29. 29.55 × 4 =
  30. 30.38 × 4 =
  31. 31.11 × 4 =
  32. 32.53 × 4 =
  33. 33.40 × 4 =
  34. 34.19 × 4 =
  35. 35.27 × 4 =
  36. 36.17 × 4 =
  37. 37.25 × 4 =
  38. 38.58 × 4 =
  39. 39.21 × 4 =
  40. 40.28 × 4 =

Answer key

  1. 188
  2. 176
  3. 216
  4. 88
  5. 28
  6. 32
  7. 128
  8. 56
  9. 208
  10. 80
  11. 172
  12. 168
  13. 164
  14. 84
  15. 200
  16. 60
  17. 240
  18. 96
  19. 236
  20. 184
  21. 144
  22. 48
  23. 40
  24. 196
  25. 228
  26. 132
  27. 224
  28. 72
  29. 220
  30. 152
  31. 44
  32. 212
  33. 160
  34. 76
  35. 108
  36. 68
  37. 100
  38. 232
  39. 84
  40. 112

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