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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 498 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.11 × 4 =
  2. 2.42 × 4 =
  3. 3.57 × 4 =
  4. 4.41 × 4 =
  5. 5.37 × 4 =
  6. 6.26 × 4 =
  7. 7.35 × 4 =
  8. 8.9 × 4 =
  9. 9.49 × 4 =
  10. 10.52 × 4 =
  11. 11.44 × 4 =
  12. 12.51 × 4 =
  13. 13.45 × 4 =
  14. 14.43 × 4 =
  15. 15.22 × 4 =
  16. 16.47 × 4 =
  17. 17.14 × 4 =
  18. 18.32 × 4 =
  19. 19.60 × 4 =
  20. 20.48 × 4 =
  21. 21.12 × 4 =
  22. 22.30 × 4 =
  23. 23.34 × 4 =
  24. 24.36 × 4 =
  25. 25.28 × 4 =
  26. 26.13 × 4 =
  27. 27.17 × 4 =
  28. 28.54 × 4 =
  29. 29.19 × 4 =
  30. 30.59 × 4 =
  31. 31.18 × 4 =
  32. 32.16 × 4 =
  33. 33.24 × 4 =
  34. 34.10 × 4 =
  35. 35.6 × 4 =
  36. 36.39 × 4 =
  37. 37.58 × 4 =
  38. 38.53 × 4 =
  39. 39.21 × 4 =
  40. 40.27 × 4 =

Answer key

  1. 44
  2. 168
  3. 228
  4. 164
  5. 148
  6. 104
  7. 140
  8. 36
  9. 196
  10. 208
  11. 176
  12. 204
  13. 180
  14. 172
  15. 88
  16. 188
  17. 56
  18. 128
  19. 240
  20. 192
  21. 48
  22. 120
  23. 136
  24. 144
  25. 112
  26. 52
  27. 68
  28. 216
  29. 76
  30. 236
  31. 72
  32. 64
  33. 96
  34. 40
  35. 24
  36. 156
  37. 232
  38. 212
  39. 84
  40. 108

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