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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 263 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.35 × 4 =
  2. 2.15 × 4 =
  3. 3.39 × 4 =
  4. 4.30 × 4 =
  5. 5.33 × 4 =
  6. 6.25 × 4 =
  7. 7.31 × 4 =
  8. 8.36 × 4 =
  9. 9.38 × 4 =
  10. 10.14 × 4 =
  11. 11.7 × 4 =
  12. 12.12 × 4 =
  13. 13.59 × 4 =
  14. 14.9 × 4 =
  15. 15.40 × 4 =
  16. 16.18 × 4 =
  17. 17.51 × 4 =
  18. 18.47 × 4 =
  19. 19.56 × 4 =
  20. 20.21 × 4 =
  21. 21.8 × 4 =
  22. 22.19 × 4 =
  23. 23.32 × 4 =
  24. 24.6 × 4 =
  25. 25.58 × 4 =
  26. 26.41 × 4 =
  27. 27.54 × 4 =
  28. 28.20 × 4 =
  29. 29.10 × 4 =
  30. 30.26 × 4 =
  31. 31.55 × 4 =
  32. 32.29 × 4 =
  33. 33.50 × 4 =
  34. 34.27 × 4 =
  35. 35.37 × 4 =
  36. 36.22 × 4 =
  37. 37.49 × 4 =
  38. 38.23 × 4 =
  39. 39.44 × 4 =
  40. 40.53 × 4 =

Answer key

  1. 140
  2. 60
  3. 156
  4. 120
  5. 132
  6. 100
  7. 124
  8. 144
  9. 152
  10. 56
  11. 28
  12. 48
  13. 236
  14. 36
  15. 160
  16. 72
  17. 204
  18. 188
  19. 224
  20. 84
  21. 32
  22. 76
  23. 128
  24. 24
  25. 232
  26. 164
  27. 216
  28. 80
  29. 40
  30. 104
  31. 220
  32. 116
  33. 200
  34. 108
  35. 148
  36. 88
  37. 196
  38. 92
  39. 176
  40. 212

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