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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 14 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.8 × 4 =
  2. 2.9 × 4 =
  3. 3.17 × 4 =
  4. 4.13 × 4 =
  5. 5.11 × 4 =
  6. 6.47 × 4 =
  7. 7.32 × 4 =
  8. 8.10 × 4 =
  9. 9.45 × 4 =
  10. 10.28 × 4 =
  11. 11.59 × 4 =
  12. 12.44 × 4 =
  13. 13.14 × 4 =
  14. 14.48 × 4 =
  15. 15.52 × 4 =
  16. 16.22 × 4 =
  17. 17.49 × 4 =
  18. 18.36 × 4 =
  19. 19.23 × 4 =
  20. 20.54 × 4 =
  21. 21.25 × 4 =
  22. 22.57 × 4 =
  23. 23.12 × 4 =
  24. 24.33 × 4 =
  25. 25.6 × 4 =
  26. 26.40 × 4 =
  27. 27.19 × 4 =
  28. 28.27 × 4 =
  29. 29.35 × 4 =
  30. 30.60 × 4 =
  31. 31.43 × 4 =
  32. 32.55 × 4 =
  33. 33.56 × 4 =
  34. 34.7 × 4 =
  35. 35.29 × 4 =
  36. 36.53 × 4 =
  37. 37.39 × 4 =
  38. 38.46 × 4 =
  39. 39.18 × 4 =
  40. 40.20 × 4 =

Answer key

  1. 32
  2. 36
  3. 68
  4. 52
  5. 44
  6. 188
  7. 128
  8. 40
  9. 180
  10. 112
  11. 236
  12. 176
  13. 56
  14. 192
  15. 208
  16. 88
  17. 196
  18. 144
  19. 92
  20. 216
  21. 100
  22. 228
  23. 48
  24. 132
  25. 24
  26. 160
  27. 76
  28. 108
  29. 140
  30. 240
  31. 172
  32. 220
  33. 224
  34. 28
  35. 116
  36. 212
  37. 156
  38. 184
  39. 72
  40. 80

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