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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 532 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.48 × 4 =
  2. 2.15 × 4 =
  3. 3.26 × 4 =
  4. 4.57 × 4 =
  5. 5.8 × 4 =
  6. 6.19 × 4 =
  7. 7.6 × 4 =
  8. 8.35 × 4 =
  9. 9.32 × 4 =
  10. 10.47 × 4 =
  11. 11.58 × 4 =
  12. 12.50 × 4 =
  13. 13.16 × 4 =
  14. 14.39 × 4 =
  15. 15.22 × 4 =
  16. 16.49 × 4 =
  17. 17.28 × 4 =
  18. 18.53 × 4 =
  19. 19.59 × 4 =
  20. 20.27 × 4 =
  21. 21.7 × 4 =
  22. 22.29 × 4 =
  23. 23.13 × 4 =
  24. 24.33 × 4 =
  25. 25.36 × 4 =
  26. 26.55 × 4 =
  27. 27.46 × 4 =
  28. 28.43 × 4 =
  29. 29.10 × 4 =
  30. 30.60 × 4 =
  31. 31.12 × 4 =
  32. 32.24 × 4 =
  33. 33.40 × 4 =
  34. 34.9 × 4 =
  35. 35.30 × 4 =
  36. 36.37 × 4 =
  37. 37.47 × 4 =
  38. 38.44 × 4 =
  39. 39.42 × 4 =
  40. 40.20 × 4 =

Answer key

  1. 192
  2. 60
  3. 104
  4. 228
  5. 32
  6. 76
  7. 24
  8. 140
  9. 128
  10. 188
  11. 232
  12. 200
  13. 64
  14. 156
  15. 88
  16. 196
  17. 112
  18. 212
  19. 236
  20. 108
  21. 28
  22. 116
  23. 52
  24. 132
  25. 144
  26. 220
  27. 184
  28. 172
  29. 40
  30. 240
  31. 48
  32. 96
  33. 160
  34. 36
  35. 120
  36. 148
  37. 188
  38. 176
  39. 168
  40. 80

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