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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 259 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.28 × 4 =
  2. 2.23 × 4 =
  3. 3.15 × 4 =
  4. 4.53 × 4 =
  5. 5.14 × 4 =
  6. 6.40 × 4 =
  7. 7.12 × 4 =
  8. 8.39 × 4 =
  9. 9.50 × 4 =
  10. 10.16 × 4 =
  11. 11.21 × 4 =
  12. 12.41 × 4 =
  13. 13.59 × 4 =
  14. 14.54 × 4 =
  15. 15.57 × 4 =
  16. 16.25 × 4 =
  17. 17.19 × 4 =
  18. 18.13 × 4 =
  19. 19.34 × 4 =
  20. 20.49 × 4 =
  21. 21.33 × 4 =
  22. 22.6 × 4 =
  23. 23.51 × 4 =
  24. 24.26 × 4 =
  25. 25.27 × 4 =
  26. 26.17 × 4 =
  27. 27.55 × 4 =
  28. 28.7 × 4 =
  29. 29.36 × 4 =
  30. 30.20 × 4 =
  31. 31.60 × 4 =
  32. 32.56 × 4 =
  33. 33.30 × 4 =
  34. 34.45 × 4 =
  35. 35.10 × 4 =
  36. 36.42 × 4 =
  37. 37.46 × 4 =
  38. 38.32 × 4 =
  39. 39.52 × 4 =
  40. 40.8 × 4 =

Answer key

  1. 112
  2. 92
  3. 60
  4. 212
  5. 56
  6. 160
  7. 48
  8. 156
  9. 200
  10. 64
  11. 84
  12. 164
  13. 236
  14. 216
  15. 228
  16. 100
  17. 76
  18. 52
  19. 136
  20. 196
  21. 132
  22. 24
  23. 204
  24. 104
  25. 108
  26. 68
  27. 220
  28. 28
  29. 144
  30. 80
  31. 240
  32. 224
  33. 120
  34. 180
  35. 40
  36. 168
  37. 184
  38. 128
  39. 208
  40. 32

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