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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 217 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.56 × 4 =
  2. 2.47 × 4 =
  3. 3.48 × 4 =
  4. 4.8 × 4 =
  5. 5.54 × 4 =
  6. 6.49 × 4 =
  7. 7.28 × 4 =
  8. 8.21 × 4 =
  9. 9.15 × 4 =
  10. 10.34 × 4 =
  11. 11.37 × 4 =
  12. 12.20 × 4 =
  13. 13.60 × 4 =
  14. 14.10 × 4 =
  15. 15.57 × 4 =
  16. 16.12 × 4 =
  17. 17.25 × 4 =
  18. 18.9 × 4 =
  19. 19.22 × 4 =
  20. 20.52 × 4 =
  21. 21.7 × 4 =
  22. 22.59 × 4 =
  23. 23.45 × 4 =
  24. 24.19 × 4 =
  25. 25.42 × 4 =
  26. 26.43 × 4 =
  27. 27.32 × 4 =
  28. 28.13 × 4 =
  29. 29.51 × 4 =
  30. 30.46 × 4 =
  31. 31.40 × 4 =
  32. 32.18 × 4 =
  33. 33.38 × 4 =
  34. 34.14 × 4 =
  35. 35.23 × 4 =
  36. 36.45 × 4 =
  37. 37.36 × 4 =
  38. 38.11 × 4 =
  39. 39.55 × 4 =
  40. 40.16 × 4 =

Answer key

  1. 224
  2. 188
  3. 192
  4. 32
  5. 216
  6. 196
  7. 112
  8. 84
  9. 60
  10. 136
  11. 148
  12. 80
  13. 240
  14. 40
  15. 228
  16. 48
  17. 100
  18. 36
  19. 88
  20. 208
  21. 28
  22. 236
  23. 180
  24. 76
  25. 168
  26. 172
  27. 128
  28. 52
  29. 204
  30. 184
  31. 160
  32. 72
  33. 152
  34. 56
  35. 92
  36. 180
  37. 144
  38. 44
  39. 220
  40. 64

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