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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 42 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.12 × 4 =
  2. 2.18 × 4 =
  3. 3.31 × 4 =
  4. 4.51 × 4 =
  5. 5.23 × 4 =
  6. 6.10 × 4 =
  7. 7.54 × 4 =
  8. 8.47 × 4 =
  9. 9.58 × 4 =
  10. 10.48 × 4 =
  11. 11.11 × 4 =
  12. 12.21 × 4 =
  13. 13.57 × 4 =
  14. 14.53 × 4 =
  15. 15.37 × 4 =
  16. 16.59 × 4 =
  17. 17.55 × 4 =
  18. 18.13 × 4 =
  19. 19.14 × 4 =
  20. 20.36 × 4 =
  21. 21.40 × 4 =
  22. 22.17 × 4 =
  23. 23.6 × 4 =
  24. 24.43 × 4 =
  25. 25.46 × 4 =
  26. 26.27 × 4 =
  27. 27.20 × 4 =
  28. 28.28 × 4 =
  29. 29.30 × 4 =
  30. 30.8 × 4 =
  31. 31.15 × 4 =
  32. 32.60 × 4 =
  33. 33.34 × 4 =
  34. 34.49 × 4 =
  35. 35.44 × 4 =
  36. 36.26 × 4 =
  37. 37.38 × 4 =
  38. 38.7 × 4 =
  39. 39.35 × 4 =
  40. 40.25 × 4 =

Answer key

  1. 48
  2. 72
  3. 124
  4. 204
  5. 92
  6. 40
  7. 216
  8. 188
  9. 232
  10. 192
  11. 44
  12. 84
  13. 228
  14. 212
  15. 148
  16. 236
  17. 220
  18. 52
  19. 56
  20. 144
  21. 160
  22. 68
  23. 24
  24. 172
  25. 184
  26. 108
  27. 80
  28. 112
  29. 120
  30. 32
  31. 60
  32. 240
  33. 136
  34. 196
  35. 176
  36. 104
  37. 152
  38. 28
  39. 140
  40. 100

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