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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 633 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.40 × 4 =
  2. 2.35 × 4 =
  3. 3.56 × 4 =
  4. 4.47 × 4 =
  5. 5.45 × 4 =
  6. 6.50 × 4 =
  7. 7.21 × 4 =
  8. 8.23 × 4 =
  9. 9.46 × 4 =
  10. 10.54 × 4 =
  11. 11.14 × 4 =
  12. 12.32 × 4 =
  13. 13.41 × 4 =
  14. 14.38 × 4 =
  15. 15.13 × 4 =
  16. 16.25 × 4 =
  17. 17.37 × 4 =
  18. 18.10 × 4 =
  19. 19.57 × 4 =
  20. 20.39 × 4 =
  21. 21.24 × 4 =
  22. 22.31 × 4 =
  23. 23.52 × 4 =
  24. 24.9 × 4 =
  25. 25.58 × 4 =
  26. 26.6 × 4 =
  27. 27.15 × 4 =
  28. 28.30 × 4 =
  29. 29.55 × 4 =
  30. 30.17 × 4 =
  31. 31.7 × 4 =
  32. 32.29 × 4 =
  33. 33.42 × 4 =
  34. 34.49 × 4 =
  35. 35.19 × 4 =
  36. 36.18 × 4 =
  37. 37.36 × 4 =
  38. 38.16 × 4 =
  39. 39.8 × 4 =
  40. 40.22 × 4 =

Answer key

  1. 160
  2. 140
  3. 224
  4. 188
  5. 180
  6. 200
  7. 84
  8. 92
  9. 184
  10. 216
  11. 56
  12. 128
  13. 164
  14. 152
  15. 52
  16. 100
  17. 148
  18. 40
  19. 228
  20. 156
  21. 96
  22. 124
  23. 208
  24. 36
  25. 232
  26. 24
  27. 60
  28. 120
  29. 220
  30. 68
  31. 28
  32. 116
  33. 168
  34. 196
  35. 76
  36. 72
  37. 144
  38. 64
  39. 32
  40. 88

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