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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 508 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.18 × 4 =
  2. 2.35 × 4 =
  3. 3.34 × 4 =
  4. 4.49 × 4 =
  5. 5.55 × 4 =
  6. 6.44 × 4 =
  7. 7.8 × 4 =
  8. 8.26 × 4 =
  9. 9.22 × 4 =
  10. 10.33 × 4 =
  11. 11.9 × 4 =
  12. 12.52 × 4 =
  13. 13.32 × 4 =
  14. 14.41 × 4 =
  15. 15.59 × 4 =
  16. 16.17 × 4 =
  17. 17.24 × 4 =
  18. 18.42 × 4 =
  19. 19.12 × 4 =
  20. 20.7 × 4 =
  21. 21.21 × 4 =
  22. 22.15 × 4 =
  23. 23.16 × 4 =
  24. 24.56 × 4 =
  25. 25.28 × 4 =
  26. 26.40 × 4 =
  27. 27.20 × 4 =
  28. 28.36 × 4 =
  29. 29.11 × 4 =
  30. 30.30 × 4 =
  31. 31.14 × 4 =
  32. 32.47 × 4 =
  33. 33.38 × 4 =
  34. 34.6 × 4 =
  35. 35.25 × 4 =
  36. 36.54 × 4 =
  37. 37.53 × 4 =
  38. 38.46 × 4 =
  39. 39.43 × 4 =
  40. 40.13 × 4 =

Answer key

  1. 72
  2. 140
  3. 136
  4. 196
  5. 220
  6. 176
  7. 32
  8. 104
  9. 88
  10. 132
  11. 36
  12. 208
  13. 128
  14. 164
  15. 236
  16. 68
  17. 96
  18. 168
  19. 48
  20. 28
  21. 84
  22. 60
  23. 64
  24. 224
  25. 112
  26. 160
  27. 80
  28. 144
  29. 44
  30. 120
  31. 56
  32. 188
  33. 152
  34. 24
  35. 100
  36. 216
  37. 212
  38. 184
  39. 172
  40. 52

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