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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 533 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.7 × 4 =
  2. 2.13 × 4 =
  3. 3.37 × 4 =
  4. 4.47 × 4 =
  5. 5.32 × 4 =
  6. 6.30 × 4 =
  7. 7.23 × 4 =
  8. 8.19 × 4 =
  9. 9.49 × 4 =
  10. 10.15 × 4 =
  11. 11.22 × 4 =
  12. 12.44 × 4 =
  13. 13.9 × 4 =
  14. 14.45 × 4 =
  15. 15.60 × 4 =
  16. 16.12 × 4 =
  17. 17.50 × 4 =
  18. 18.11 × 4 =
  19. 19.55 × 4 =
  20. 20.43 × 4 =
  21. 21.53 × 4 =
  22. 22.6 × 4 =
  23. 23.26 × 4 =
  24. 24.34 × 4 =
  25. 25.21 × 4 =
  26. 26.42 × 4 =
  27. 27.41 × 4 =
  28. 28.18 × 4 =
  29. 29.24 × 4 =
  30. 30.25 × 4 =
  31. 31.17 × 4 =
  32. 32.36 × 4 =
  33. 33.10 × 4 =
  34. 34.56 × 4 =
  35. 35.27 × 4 =
  36. 36.52 × 4 =
  37. 37.8 × 4 =
  38. 38.28 × 4 =
  39. 39.48 × 4 =
  40. 40.31 × 4 =

Answer key

  1. 28
  2. 52
  3. 148
  4. 188
  5. 128
  6. 120
  7. 92
  8. 76
  9. 196
  10. 60
  11. 88
  12. 176
  13. 36
  14. 180
  15. 240
  16. 48
  17. 200
  18. 44
  19. 220
  20. 172
  21. 212
  22. 24
  23. 104
  24. 136
  25. 84
  26. 168
  27. 164
  28. 72
  29. 96
  30. 100
  31. 68
  32. 144
  33. 40
  34. 224
  35. 108
  36. 208
  37. 32
  38. 112
  39. 192
  40. 124

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