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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 295 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.39 × 4 =
  2. 2.19 × 4 =
  3. 3.16 × 4 =
  4. 4.14 × 4 =
  5. 5.58 × 4 =
  6. 6.6 × 4 =
  7. 7.49 × 4 =
  8. 8.44 × 4 =
  9. 9.32 × 4 =
  10. 10.25 × 4 =
  11. 11.52 × 4 =
  12. 12.10 × 4 =
  13. 13.26 × 4 =
  14. 14.56 × 4 =
  15. 15.28 × 4 =
  16. 16.23 × 4 =
  17. 17.37 × 4 =
  18. 18.60 × 4 =
  19. 19.46 × 4 =
  20. 20.38 × 4 =
  21. 21.30 × 4 =
  22. 22.21 × 4 =
  23. 23.41 × 4 =
  24. 24.7 × 4 =
  25. 25.29 × 4 =
  26. 26.53 × 4 =
  27. 27.11 × 4 =
  28. 28.48 × 4 =
  29. 29.57 × 4 =
  30. 30.15 × 4 =
  31. 31.20 × 4 =
  32. 32.18 × 4 =
  33. 33.55 × 4 =
  34. 34.24 × 4 =
  35. 35.31 × 4 =
  36. 36.45 × 4 =
  37. 37.8 × 4 =
  38. 38.9 × 4 =
  39. 39.47 × 4 =
  40. 40.17 × 4 =

Answer key

  1. 156
  2. 76
  3. 64
  4. 56
  5. 232
  6. 24
  7. 196
  8. 176
  9. 128
  10. 100
  11. 208
  12. 40
  13. 104
  14. 224
  15. 112
  16. 92
  17. 148
  18. 240
  19. 184
  20. 152
  21. 120
  22. 84
  23. 164
  24. 28
  25. 116
  26. 212
  27. 44
  28. 192
  29. 228
  30. 60
  31. 80
  32. 72
  33. 220
  34. 96
  35. 124
  36. 180
  37. 32
  38. 36
  39. 188
  40. 68

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