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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 359 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.8 × 4 =
  2. 2.15 × 4 =
  3. 3.9 × 4 =
  4. 4.23 × 4 =
  5. 5.12 × 4 =
  6. 6.59 × 4 =
  7. 7.38 × 4 =
  8. 8.50 × 4 =
  9. 9.56 × 4 =
  10. 10.6 × 4 =
  11. 11.54 × 4 =
  12. 12.30 × 4 =
  13. 13.60 × 4 =
  14. 14.16 × 4 =
  15. 15.17 × 4 =
  16. 16.44 × 4 =
  17. 17.52 × 4 =
  18. 18.39 × 4 =
  19. 19.49 × 4 =
  20. 20.48 × 4 =
  21. 21.14 × 4 =
  22. 22.58 × 4 =
  23. 23.41 × 4 =
  24. 24.7 × 4 =
  25. 25.24 × 4 =
  26. 26.21 × 4 =
  27. 27.27 × 4 =
  28. 28.18 × 4 =
  29. 29.36 × 4 =
  30. 30.45 × 4 =
  31. 31.13 × 4 =
  32. 32.35 × 4 =
  33. 33.32 × 4 =
  34. 34.42 × 4 =
  35. 35.53 × 4 =
  36. 36.11 × 4 =
  37. 37.26 × 4 =
  38. 38.47 × 4 =
  39. 39.25 × 4 =
  40. 40.10 × 4 =

Answer key

  1. 32
  2. 60
  3. 36
  4. 92
  5. 48
  6. 236
  7. 152
  8. 200
  9. 224
  10. 24
  11. 216
  12. 120
  13. 240
  14. 64
  15. 68
  16. 176
  17. 208
  18. 156
  19. 196
  20. 192
  21. 56
  22. 232
  23. 164
  24. 28
  25. 96
  26. 84
  27. 108
  28. 72
  29. 144
  30. 180
  31. 52
  32. 140
  33. 128
  34. 168
  35. 212
  36. 44
  37. 104
  38. 188
  39. 100
  40. 40

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