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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 743 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.40 × 4 =
  2. 2.12 × 4 =
  3. 3.27 × 4 =
  4. 4.53 × 4 =
  5. 5.49 × 4 =
  6. 6.15 × 4 =
  7. 7.23 × 4 =
  8. 8.29 × 4 =
  9. 9.51 × 4 =
  10. 10.26 × 4 =
  11. 11.47 × 4 =
  12. 12.55 × 4 =
  13. 13.19 × 4 =
  14. 14.17 × 4 =
  15. 15.20 × 4 =
  16. 16.58 × 4 =
  17. 17.50 × 4 =
  18. 18.57 × 4 =
  19. 19.48 × 4 =
  20. 20.18 × 4 =
  21. 21.54 × 4 =
  22. 22.8 × 4 =
  23. 23.30 × 4 =
  24. 24.37 × 4 =
  25. 25.24 × 4 =
  26. 26.7 × 4 =
  27. 27.13 × 4 =
  28. 28.33 × 4 =
  29. 29.28 × 4 =
  30. 30.59 × 4 =
  31. 31.45 × 4 =
  32. 32.35 × 4 =
  33. 33.9 × 4 =
  34. 34.6 × 4 =
  35. 35.42 × 4 =
  36. 36.52 × 4 =
  37. 37.46 × 4 =
  38. 38.32 × 4 =
  39. 39.44 × 4 =
  40. 40.11 × 4 =

Answer key

  1. 160
  2. 48
  3. 108
  4. 212
  5. 196
  6. 60
  7. 92
  8. 116
  9. 204
  10. 104
  11. 188
  12. 220
  13. 76
  14. 68
  15. 80
  16. 232
  17. 200
  18. 228
  19. 192
  20. 72
  21. 216
  22. 32
  23. 120
  24. 148
  25. 96
  26. 28
  27. 52
  28. 132
  29. 112
  30. 236
  31. 180
  32. 140
  33. 36
  34. 24
  35. 168
  36. 208
  37. 184
  38. 128
  39. 176
  40. 44

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