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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 442 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.34 × 4 =
  2. 2.45 × 4 =
  3. 3.35 × 4 =
  4. 4.53 × 4 =
  5. 5.46 × 4 =
  6. 6.9 × 4 =
  7. 7.23 × 4 =
  8. 8.11 × 4 =
  9. 9.18 × 4 =
  10. 10.58 × 4 =
  11. 11.39 × 4 =
  12. 12.22 × 4 =
  13. 13.17 × 4 =
  14. 14.42 × 4 =
  15. 15.15 × 4 =
  16. 16.6 × 4 =
  17. 17.27 × 4 =
  18. 18.26 × 4 =
  19. 19.38 × 4 =
  20. 20.16 × 4 =
  21. 21.41 × 4 =
  22. 22.57 × 4 =
  23. 23.55 × 4 =
  24. 24.31 × 4 =
  25. 25.40 × 4 =
  26. 26.51 × 4 =
  27. 27.13 × 4 =
  28. 28.56 × 4 =
  29. 29.7 × 4 =
  30. 30.54 × 4 =
  31. 31.44 × 4 =
  32. 32.36 × 4 =
  33. 33.33 × 4 =
  34. 34.37 × 4 =
  35. 35.59 × 4 =
  36. 36.29 × 4 =
  37. 37.60 × 4 =
  38. 38.10 × 4 =
  39. 39.24 × 4 =
  40. 40.30 × 4 =

Answer key

  1. 136
  2. 180
  3. 140
  4. 212
  5. 184
  6. 36
  7. 92
  8. 44
  9. 72
  10. 232
  11. 156
  12. 88
  13. 68
  14. 168
  15. 60
  16. 24
  17. 108
  18. 104
  19. 152
  20. 64
  21. 164
  22. 228
  23. 220
  24. 124
  25. 160
  26. 204
  27. 52
  28. 224
  29. 28
  30. 216
  31. 176
  32. 144
  33. 132
  34. 148
  35. 236
  36. 116
  37. 240
  38. 40
  39. 96
  40. 120

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