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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 382 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.52 × 4 =
  2. 2.44 × 4 =
  3. 3.27 × 4 =
  4. 4.37 × 4 =
  5. 5.28 × 4 =
  6. 6.51 × 4 =
  7. 7.30 × 4 =
  8. 8.17 × 4 =
  9. 9.54 × 4 =
  10. 10.50 × 4 =
  11. 11.46 × 4 =
  12. 12.32 × 4 =
  13. 13.11 × 4 =
  14. 14.9 × 4 =
  15. 15.16 × 4 =
  16. 16.13 × 4 =
  17. 17.48 × 4 =
  18. 18.20 × 4 =
  19. 19.21 × 4 =
  20. 20.53 × 4 =
  21. 21.58 × 4 =
  22. 22.29 × 4 =
  23. 23.56 × 4 =
  24. 24.34 × 4 =
  25. 25.10 × 4 =
  26. 26.7 × 4 =
  27. 27.6 × 4 =
  28. 28.24 × 4 =
  29. 29.26 × 4 =
  30. 30.18 × 4 =
  31. 31.35 × 4 =
  32. 32.55 × 4 =
  33. 33.42 × 4 =
  34. 34.47 × 4 =
  35. 35.23 × 4 =
  36. 36.33 × 4 =
  37. 37.41 × 4 =
  38. 38.19 × 4 =
  39. 39.45 × 4 =
  40. 40.12 × 4 =

Answer key

  1. 208
  2. 176
  3. 108
  4. 148
  5. 112
  6. 204
  7. 120
  8. 68
  9. 216
  10. 200
  11. 184
  12. 128
  13. 44
  14. 36
  15. 64
  16. 52
  17. 192
  18. 80
  19. 84
  20. 212
  21. 232
  22. 116
  23. 224
  24. 136
  25. 40
  26. 28
  27. 24
  28. 96
  29. 104
  30. 72
  31. 140
  32. 220
  33. 168
  34. 188
  35. 92
  36. 132
  37. 164
  38. 76
  39. 180
  40. 48

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