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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 589 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.35 × 4 =
  2. 2.34 × 4 =
  3. 3.30 × 4 =
  4. 4.41 × 4 =
  5. 5.26 × 4 =
  6. 6.47 × 4 =
  7. 7.52 × 4 =
  8. 8.31 × 4 =
  9. 9.38 × 4 =
  10. 10.57 × 4 =
  11. 11.43 × 4 =
  12. 12.39 × 4 =
  13. 13.8 × 4 =
  14. 14.14 × 4 =
  15. 15.50 × 4 =
  16. 16.27 × 4 =
  17. 17.16 × 4 =
  18. 18.12 × 4 =
  19. 19.17 × 4 =
  20. 20.13 × 4 =
  21. 21.15 × 4 =
  22. 22.42 × 4 =
  23. 23.9 × 4 =
  24. 24.24 × 4 =
  25. 25.58 × 4 =
  26. 26.56 × 4 =
  27. 27.53 × 4 =
  28. 28.21 × 4 =
  29. 29.10 × 4 =
  30. 30.28 × 4 =
  31. 31.33 × 4 =
  32. 32.46 × 4 =
  33. 33.7 × 4 =
  34. 34.55 × 4 =
  35. 35.32 × 4 =
  36. 36.11 × 4 =
  37. 37.60 × 4 =
  38. 38.54 × 4 =
  39. 39.18 × 4 =
  40. 40.6 × 4 =

Answer key

  1. 140
  2. 136
  3. 120
  4. 164
  5. 104
  6. 188
  7. 208
  8. 124
  9. 152
  10. 228
  11. 172
  12. 156
  13. 32
  14. 56
  15. 200
  16. 108
  17. 64
  18. 48
  19. 68
  20. 52
  21. 60
  22. 168
  23. 36
  24. 96
  25. 232
  26. 224
  27. 212
  28. 84
  29. 40
  30. 112
  31. 132
  32. 184
  33. 28
  34. 220
  35. 128
  36. 44
  37. 240
  38. 216
  39. 72
  40. 24

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