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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 56 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.13 × 4 =
  2. 2.20 × 4 =
  3. 3.59 × 4 =
  4. 4.29 × 4 =
  5. 5.44 × 4 =
  6. 6.10 × 4 =
  7. 7.37 × 4 =
  8. 8.53 × 4 =
  9. 9.32 × 4 =
  10. 10.19 × 4 =
  11. 11.28 × 4 =
  12. 12.41 × 4 =
  13. 13.35 × 4 =
  14. 14.18 × 4 =
  15. 15.42 × 4 =
  16. 16.48 × 4 =
  17. 17.55 × 4 =
  18. 18.60 × 4 =
  19. 19.11 × 4 =
  20. 20.8 × 4 =
  21. 21.12 × 4 =
  22. 22.40 × 4 =
  23. 23.21 × 4 =
  24. 24.15 × 4 =
  25. 25.47 × 4 =
  26. 26.31 × 4 =
  27. 27.56 × 4 =
  28. 28.39 × 4 =
  29. 29.16 × 4 =
  30. 30.17 × 4 =
  31. 31.45 × 4 =
  32. 32.43 × 4 =
  33. 33.30 × 4 =
  34. 34.9 × 4 =
  35. 35.27 × 4 =
  36. 36.6 × 4 =
  37. 37.23 × 4 =
  38. 38.49 × 4 =
  39. 39.57 × 4 =
  40. 40.14 × 4 =

Answer key

  1. 52
  2. 80
  3. 236
  4. 116
  5. 176
  6. 40
  7. 148
  8. 212
  9. 128
  10. 76
  11. 112
  12. 164
  13. 140
  14. 72
  15. 168
  16. 192
  17. 220
  18. 240
  19. 44
  20. 32
  21. 48
  22. 160
  23. 84
  24. 60
  25. 188
  26. 124
  27. 224
  28. 156
  29. 64
  30. 68
  31. 180
  32. 172
  33. 120
  34. 36
  35. 108
  36. 24
  37. 92
  38. 196
  39. 228
  40. 56

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