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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 590 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.27 × 4 =
  2. 2.28 × 4 =
  3. 3.36 × 4 =
  4. 4.7 × 4 =
  5. 5.6 × 4 =
  6. 6.45 × 4 =
  7. 7.54 × 4 =
  8. 8.43 × 4 =
  9. 9.14 × 4 =
  10. 10.32 × 4 =
  11. 11.55 × 4 =
  12. 12.38 × 4 =
  13. 13.31 × 4 =
  14. 14.44 × 4 =
  15. 15.59 × 4 =
  16. 16.25 × 4 =
  17. 17.42 × 4 =
  18. 18.18 × 4 =
  19. 19.8 × 4 =
  20. 20.53 × 4 =
  21. 21.57 × 4 =
  22. 22.20 × 4 =
  23. 23.11 × 4 =
  24. 24.10 × 4 =
  25. 25.26 × 4 =
  26. 26.22 × 4 =
  27. 27.47 × 4 =
  28. 28.17 × 4 =
  29. 29.37 × 4 =
  30. 30.51 × 4 =
  31. 31.48 × 4 =
  32. 32.12 × 4 =
  33. 33.19 × 4 =
  34. 34.33 × 4 =
  35. 35.46 × 4 =
  36. 36.50 × 4 =
  37. 37.58 × 4 =
  38. 38.35 × 4 =
  39. 39.56 × 4 =
  40. 40.41 × 4 =

Answer key

  1. 108
  2. 112
  3. 144
  4. 28
  5. 24
  6. 180
  7. 216
  8. 172
  9. 56
  10. 128
  11. 220
  12. 152
  13. 124
  14. 176
  15. 236
  16. 100
  17. 168
  18. 72
  19. 32
  20. 212
  21. 228
  22. 80
  23. 44
  24. 40
  25. 104
  26. 88
  27. 188
  28. 68
  29. 148
  30. 204
  31. 192
  32. 48
  33. 76
  34. 132
  35. 184
  36. 200
  37. 232
  38. 140
  39. 224
  40. 164

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