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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 76 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.56 × 4 =
  2. 2.33 × 4 =
  3. 3.41 × 4 =
  4. 4.52 × 4 =
  5. 5.34 × 4 =
  6. 6.29 × 4 =
  7. 7.54 × 4 =
  8. 8.35 × 4 =
  9. 9.11 × 4 =
  10. 10.16 × 4 =
  11. 11.57 × 4 =
  12. 12.27 × 4 =
  13. 13.17 × 4 =
  14. 14.26 × 4 =
  15. 15.25 × 4 =
  16. 16.32 × 4 =
  17. 17.21 × 4 =
  18. 18.20 × 4 =
  19. 19.30 × 4 =
  20. 20.31 × 4 =
  21. 21.12 × 4 =
  22. 22.22 × 4 =
  23. 23.53 × 4 =
  24. 24.36 × 4 =
  25. 25.8 × 4 =
  26. 26.47 × 4 =
  27. 27.18 × 4 =
  28. 28.59 × 4 =
  29. 29.55 × 4 =
  30. 30.19 × 4 =
  31. 31.58 × 4 =
  32. 32.48 × 4 =
  33. 33.51 × 4 =
  34. 34.14 × 4 =
  35. 35.9 × 4 =
  36. 36.60 × 4 =
  37. 37.15 × 4 =
  38. 38.44 × 4 =
  39. 39.7 × 4 =
  40. 40.24 × 4 =

Answer key

  1. 224
  2. 132
  3. 164
  4. 208
  5. 136
  6. 116
  7. 216
  8. 140
  9. 44
  10. 64
  11. 228
  12. 108
  13. 68
  14. 104
  15. 100
  16. 128
  17. 84
  18. 80
  19. 120
  20. 124
  21. 48
  22. 88
  23. 212
  24. 144
  25. 32
  26. 188
  27. 72
  28. 236
  29. 220
  30. 76
  31. 232
  32. 192
  33. 204
  34. 56
  35. 36
  36. 240
  37. 60
  38. 176
  39. 28
  40. 96

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