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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 543 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.14 × 4 =
  2. 2.26 × 4 =
  3. 3.18 × 4 =
  4. 4.32 × 4 =
  5. 5.17 × 4 =
  6. 6.53 × 4 =
  7. 7.35 × 4 =
  8. 8.40 × 4 =
  9. 9.57 × 4 =
  10. 10.55 × 4 =
  11. 11.37 × 4 =
  12. 12.12 × 4 =
  13. 13.15 × 4 =
  14. 14.41 × 4 =
  15. 15.21 × 4 =
  16. 16.9 × 4 =
  17. 17.44 × 4 =
  18. 18.29 × 4 =
  19. 19.59 × 4 =
  20. 20.51 × 4 =
  21. 21.7 × 4 =
  22. 22.56 × 4 =
  23. 23.52 × 4 =
  24. 24.23 × 4 =
  25. 25.42 × 4 =
  26. 26.58 × 4 =
  27. 27.13 × 4 =
  28. 28.30 × 4 =
  29. 29.31 × 4 =
  30. 30.49 × 4 =
  31. 31.38 × 4 =
  32. 32.34 × 4 =
  33. 33.19 × 4 =
  34. 34.45 × 4 =
  35. 35.8 × 4 =
  36. 36.36 × 4 =
  37. 37.22 × 4 =
  38. 38.50 × 4 =
  39. 39.47 × 4 =
  40. 40.16 × 4 =

Answer key

  1. 56
  2. 104
  3. 72
  4. 128
  5. 68
  6. 212
  7. 140
  8. 160
  9. 228
  10. 220
  11. 148
  12. 48
  13. 60
  14. 164
  15. 84
  16. 36
  17. 176
  18. 116
  19. 236
  20. 204
  21. 28
  22. 224
  23. 208
  24. 92
  25. 168
  26. 232
  27. 52
  28. 120
  29. 124
  30. 196
  31. 152
  32. 136
  33. 76
  34. 180
  35. 32
  36. 144
  37. 88
  38. 200
  39. 188
  40. 64

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