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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 531 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.53 × 4 =
  2. 2.34 × 4 =
  3. 3.28 × 4 =
  4. 4.22 × 4 =
  5. 5.47 × 4 =
  6. 6.32 × 4 =
  7. 7.44 × 4 =
  8. 8.11 × 4 =
  9. 9.58 × 4 =
  10. 10.57 × 4 =
  11. 11.13 × 4 =
  12. 12.9 × 4 =
  13. 13.17 × 4 =
  14. 14.50 × 4 =
  15. 15.18 × 4 =
  16. 16.16 × 4 =
  17. 17.35 × 4 =
  18. 18.6 × 4 =
  19. 19.48 × 4 =
  20. 20.15 × 4 =
  21. 21.51 × 4 =
  22. 22.20 × 4 =
  23. 23.37 × 4 =
  24. 24.14 × 4 =
  25. 25.27 × 4 =
  26. 26.40 × 4 =
  27. 27.42 × 4 =
  28. 28.49 × 4 =
  29. 29.7 × 4 =
  30. 30.46 × 4 =
  31. 31.41 × 4 =
  32. 32.31 × 4 =
  33. 33.39 × 4 =
  34. 34.56 × 4 =
  35. 35.59 × 4 =
  36. 36.38 × 4 =
  37. 37.55 × 4 =
  38. 38.19 × 4 =
  39. 39.54 × 4 =
  40. 40.60 × 4 =

Answer key

  1. 212
  2. 136
  3. 112
  4. 88
  5. 188
  6. 128
  7. 176
  8. 44
  9. 232
  10. 228
  11. 52
  12. 36
  13. 68
  14. 200
  15. 72
  16. 64
  17. 140
  18. 24
  19. 192
  20. 60
  21. 204
  22. 80
  23. 148
  24. 56
  25. 108
  26. 160
  27. 168
  28. 196
  29. 28
  30. 184
  31. 164
  32. 124
  33. 156
  34. 224
  35. 236
  36. 152
  37. 220
  38. 76
  39. 216
  40. 240

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