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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 73 · 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. 2.22 × 4 =
  3. 3.14 × 4 =
  4. 4.53 × 4 =
  5. 5.52 × 4 =
  6. 6.41 × 4 =
  7. 7.44 × 4 =
  8. 8.11 × 4 =
  9. 9.28 × 4 =
  10. 10.24 × 4 =
  11. 11.12 × 4 =
  12. 12.35 × 4 =
  13. 13.34 × 4 =
  14. 14.6 × 4 =
  15. 15.30 × 4 =
  16. 16.37 × 4 =
  17. 17.15 × 4 =
  18. 18.40 × 4 =
  19. 19.48 × 4 =
  20. 20.42 × 4 =
  21. 21.31 × 4 =
  22. 22.39 × 4 =
  23. 23.18 × 4 =
  24. 24.36 × 4 =
  25. 25.16 × 4 =
  26. 26.55 × 4 =
  27. 27.19 × 4 =
  28. 28.7 × 4 =
  29. 29.9 × 4 =
  30. 30.56 × 4 =
  31. 31.23 × 4 =
  32. 32.45 × 4 =
  33. 33.20 × 4 =
  34. 34.60 × 4 =
  35. 35.26 × 4 =
  36. 36.58 × 4 =
  37. 37.59 × 4 =
  38. 38.43 × 4 =
  39. 39.21 × 4 =
  40. 40.29 × 4 =

Answer key

  1. 188
  2. 88
  3. 56
  4. 212
  5. 208
  6. 164
  7. 176
  8. 44
  9. 112
  10. 96
  11. 48
  12. 140
  13. 136
  14. 24
  15. 120
  16. 148
  17. 60
  18. 160
  19. 192
  20. 168
  21. 124
  22. 156
  23. 72
  24. 144
  25. 64
  26. 220
  27. 76
  28. 28
  29. 36
  30. 224
  31. 92
  32. 180
  33. 80
  34. 240
  35. 104
  36. 232
  37. 236
  38. 172
  39. 84
  40. 116

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