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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 488 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.19 × 4 =
  2. 2.42 × 4 =
  3. 3.37 × 4 =
  4. 4.56 × 4 =
  5. 5.9 × 4 =
  6. 6.32 × 4 =
  7. 7.22 × 4 =
  8. 8.15 × 4 =
  9. 9.54 × 4 =
  10. 10.55 × 4 =
  11. 11.34 × 4 =
  12. 12.27 × 4 =
  13. 13.48 × 4 =
  14. 14.12 × 4 =
  15. 15.30 × 4 =
  16. 16.50 × 4 =
  17. 17.58 × 4 =
  18. 18.53 × 4 =
  19. 19.41 × 4 =
  20. 20.40 × 4 =
  21. 21.47 × 4 =
  22. 22.24 × 4 =
  23. 23.35 × 4 =
  24. 24.21 × 4 =
  25. 25.29 × 4 =
  26. 26.18 × 4 =
  27. 27.17 × 4 =
  28. 28.25 × 4 =
  29. 29.11 × 4 =
  30. 30.43 × 4 =
  31. 31.36 × 4 =
  32. 32.46 × 4 =
  33. 33.10 × 4 =
  34. 34.16 × 4 =
  35. 35.38 × 4 =
  36. 36.57 × 4 =
  37. 37.51 × 4 =
  38. 38.39 × 4 =
  39. 39.49 × 4 =
  40. 40.20 × 4 =

Answer key

  1. 76
  2. 168
  3. 148
  4. 224
  5. 36
  6. 128
  7. 88
  8. 60
  9. 216
  10. 220
  11. 136
  12. 108
  13. 192
  14. 48
  15. 120
  16. 200
  17. 232
  18. 212
  19. 164
  20. 160
  21. 188
  22. 96
  23. 140
  24. 84
  25. 116
  26. 72
  27. 68
  28. 100
  29. 44
  30. 172
  31. 144
  32. 184
  33. 40
  34. 64
  35. 152
  36. 228
  37. 204
  38. 156
  39. 196
  40. 80

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