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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 626 · 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. 2.20 × 4 =
  3. 3.37 × 4 =
  4. 4.17 × 4 =
  5. 5.26 × 4 =
  6. 6.30 × 4 =
  7. 7.59 × 4 =
  8. 8.52 × 4 =
  9. 9.19 × 4 =
  10. 10.22 × 4 =
  11. 11.43 × 4 =
  12. 12.56 × 4 =
  13. 13.33 × 4 =
  14. 14.31 × 4 =
  15. 15.18 × 4 =
  16. 16.34 × 4 =
  17. 17.16 × 4 =
  18. 18.42 × 4 =
  19. 19.45 × 4 =
  20. 20.36 × 4 =
  21. 21.23 × 4 =
  22. 22.39 × 4 =
  23. 23.46 × 4 =
  24. 24.27 × 4 =
  25. 25.9 × 4 =
  26. 26.50 × 4 =
  27. 27.7 × 4 =
  28. 28.24 × 4 =
  29. 29.13 × 4 =
  30. 30.8 × 4 =
  31. 31.55 × 4 =
  32. 32.12 × 4 =
  33. 33.29 × 4 =
  34. 34.38 × 4 =
  35. 35.49 × 4 =
  36. 36.21 × 4 =
  37. 37.57 × 4 =
  38. 38.15 × 4 =
  39. 39.47 × 4 =
  40. 40.6 × 4 =

Answer key

  1. 160
  2. 80
  3. 148
  4. 68
  5. 104
  6. 120
  7. 236
  8. 208
  9. 76
  10. 88
  11. 172
  12. 224
  13. 132
  14. 124
  15. 72
  16. 136
  17. 64
  18. 168
  19. 180
  20. 144
  21. 92
  22. 156
  23. 184
  24. 108
  25. 36
  26. 200
  27. 28
  28. 96
  29. 52
  30. 32
  31. 220
  32. 48
  33. 116
  34. 152
  35. 196
  36. 84
  37. 228
  38. 60
  39. 188
  40. 24

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