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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 266 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.33 × 4 =
  2. 2.8 × 4 =
  3. 3.43 × 4 =
  4. 4.31 × 4 =
  5. 5.58 × 4 =
  6. 6.19 × 4 =
  7. 7.57 × 4 =
  8. 8.51 × 4 =
  9. 9.18 × 4 =
  10. 10.20 × 4 =
  11. 11.41 × 4 =
  12. 12.35 × 4 =
  13. 13.36 × 4 =
  14. 14.53 × 4 =
  15. 15.37 × 4 =
  16. 16.29 × 4 =
  17. 17.12 × 4 =
  18. 18.54 × 4 =
  19. 19.48 × 4 =
  20. 20.34 × 4 =
  21. 21.52 × 4 =
  22. 22.9 × 4 =
  23. 23.44 × 4 =
  24. 24.47 × 4 =
  25. 25.7 × 4 =
  26. 26.22 × 4 =
  27. 27.30 × 4 =
  28. 28.59 × 4 =
  29. 29.42 × 4 =
  30. 30.60 × 4 =
  31. 31.50 × 4 =
  32. 32.15 × 4 =
  33. 33.45 × 4 =
  34. 34.28 × 4 =
  35. 35.40 × 4 =
  36. 36.46 × 4 =
  37. 37.14 × 4 =
  38. 38.6 × 4 =
  39. 39.11 × 4 =
  40. 40.26 × 4 =

Answer key

  1. 132
  2. 32
  3. 172
  4. 124
  5. 232
  6. 76
  7. 228
  8. 204
  9. 72
  10. 80
  11. 164
  12. 140
  13. 144
  14. 212
  15. 148
  16. 116
  17. 48
  18. 216
  19. 192
  20. 136
  21. 208
  22. 36
  23. 176
  24. 188
  25. 28
  26. 88
  27. 120
  28. 236
  29. 168
  30. 240
  31. 200
  32. 60
  33. 180
  34. 112
  35. 160
  36. 184
  37. 56
  38. 24
  39. 44
  40. 104

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