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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 172 · 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. 2.52 × 4 =
  3. 3.38 × 4 =
  4. 4.33 × 4 =
  5. 5.55 × 4 =
  6. 6.13 × 4 =
  7. 7.7 × 4 =
  8. 8.44 × 4 =
  9. 9.58 × 4 =
  10. 10.12 × 4 =
  11. 11.29 × 4 =
  12. 12.10 × 4 =
  13. 13.37 × 4 =
  14. 14.8 × 4 =
  15. 15.40 × 4 =
  16. 16.11 × 4 =
  17. 17.32 × 4 =
  18. 18.23 × 4 =
  19. 19.15 × 4 =
  20. 20.57 × 4 =
  21. 21.54 × 4 =
  22. 22.6 × 4 =
  23. 23.35 × 4 =
  24. 24.17 × 4 =
  25. 25.19 × 4 =
  26. 26.16 × 4 =
  27. 27.39 × 4 =
  28. 28.36 × 4 =
  29. 29.34 × 4 =
  30. 30.21 × 4 =
  31. 31.18 × 4 =
  32. 32.31 × 4 =
  33. 33.56 × 4 =
  34. 34.48 × 4 =
  35. 35.41 × 4 =
  36. 36.14 × 4 =
  37. 37.28 × 4 =
  38. 38.60 × 4 =
  39. 39.26 × 4 =
  40. 40.47 × 4 =

Answer key

  1. 36
  2. 208
  3. 152
  4. 132
  5. 220
  6. 52
  7. 28
  8. 176
  9. 232
  10. 48
  11. 116
  12. 40
  13. 148
  14. 32
  15. 160
  16. 44
  17. 128
  18. 92
  19. 60
  20. 228
  21. 216
  22. 24
  23. 140
  24. 68
  25. 76
  26. 64
  27. 156
  28. 144
  29. 136
  30. 84
  31. 72
  32. 124
  33. 224
  34. 192
  35. 164
  36. 56
  37. 112
  38. 240
  39. 104
  40. 188

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