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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 153 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.6 × 4 =
  2. 2.13 × 4 =
  3. 3.59 × 4 =
  4. 4.28 × 4 =
  5. 5.46 × 4 =
  6. 6.57 × 4 =
  7. 7.35 × 4 =
  8. 8.11 × 4 =
  9. 9.27 × 4 =
  10. 10.44 × 4 =
  11. 11.12 × 4 =
  12. 12.38 × 4 =
  13. 13.32 × 4 =
  14. 14.40 × 4 =
  15. 15.47 × 4 =
  16. 16.14 × 4 =
  17. 17.39 × 4 =
  18. 18.51 × 4 =
  19. 19.7 × 4 =
  20. 20.8 × 4 =
  21. 21.15 × 4 =
  22. 22.29 × 4 =
  23. 23.42 × 4 =
  24. 24.16 × 4 =
  25. 25.37 × 4 =
  26. 26.43 × 4 =
  27. 27.56 × 4 =
  28. 28.53 × 4 =
  29. 29.22 × 4 =
  30. 30.10 × 4 =
  31. 31.26 × 4 =
  32. 32.31 × 4 =
  33. 33.29 × 4 =
  34. 34.23 × 4 =
  35. 35.25 × 4 =
  36. 36.17 × 4 =
  37. 37.58 × 4 =
  38. 38.36 × 4 =
  39. 39.50 × 4 =
  40. 40.20 × 4 =

Answer key

  1. 24
  2. 52
  3. 236
  4. 112
  5. 184
  6. 228
  7. 140
  8. 44
  9. 108
  10. 176
  11. 48
  12. 152
  13. 128
  14. 160
  15. 188
  16. 56
  17. 156
  18. 204
  19. 28
  20. 32
  21. 60
  22. 116
  23. 168
  24. 64
  25. 148
  26. 172
  27. 224
  28. 212
  29. 88
  30. 40
  31. 104
  32. 124
  33. 116
  34. 92
  35. 100
  36. 68
  37. 232
  38. 144
  39. 200
  40. 80

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