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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 273 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.37 × 4 =
  2. 2.39 × 4 =
  3. 3.25 × 4 =
  4. 4.41 × 4 =
  5. 5.26 × 4 =
  6. 6.15 × 4 =
  7. 7.47 × 4 =
  8. 8.16 × 4 =
  9. 9.56 × 4 =
  10. 10.38 × 4 =
  11. 11.27 × 4 =
  12. 12.45 × 4 =
  13. 13.32 × 4 =
  14. 14.43 × 4 =
  15. 15.9 × 4 =
  16. 16.12 × 4 =
  17. 17.40 × 4 =
  18. 18.48 × 4 =
  19. 19.51 × 4 =
  20. 20.57 × 4 =
  21. 21.22 × 4 =
  22. 22.24 × 4 =
  23. 23.11 × 4 =
  24. 24.54 × 4 =
  25. 25.36 × 4 =
  26. 26.7 × 4 =
  27. 27.59 × 4 =
  28. 28.52 × 4 =
  29. 29.10 × 4 =
  30. 30.42 × 4 =
  31. 31.18 × 4 =
  32. 32.8 × 4 =
  33. 33.23 × 4 =
  34. 34.14 × 4 =
  35. 35.60 × 4 =
  36. 36.53 × 4 =
  37. 37.29 × 4 =
  38. 38.13 × 4 =
  39. 39.30 × 4 =
  40. 40.34 × 4 =

Answer key

  1. 148
  2. 156
  3. 100
  4. 164
  5. 104
  6. 60
  7. 188
  8. 64
  9. 224
  10. 152
  11. 108
  12. 180
  13. 128
  14. 172
  15. 36
  16. 48
  17. 160
  18. 192
  19. 204
  20. 228
  21. 88
  22. 96
  23. 44
  24. 216
  25. 144
  26. 28
  27. 236
  28. 208
  29. 40
  30. 168
  31. 72
  32. 32
  33. 92
  34. 56
  35. 240
  36. 212
  37. 116
  38. 52
  39. 120
  40. 136

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