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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 420 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.41 × 4 =
  2. 2.45 × 4 =
  3. 3.34 × 4 =
  4. 4.35 × 4 =
  5. 5.16 × 4 =
  6. 6.48 × 4 =
  7. 7.23 × 4 =
  8. 8.9 × 4 =
  9. 9.28 × 4 =
  10. 10.19 × 4 =
  11. 11.46 × 4 =
  12. 12.39 × 4 =
  13. 13.15 × 4 =
  14. 14.29 × 4 =
  15. 15.10 × 4 =
  16. 16.26 × 4 =
  17. 17.47 × 4 =
  18. 18.60 × 4 =
  19. 19.42 × 4 =
  20. 20.32 × 4 =
  21. 21.11 × 4 =
  22. 22.24 × 4 =
  23. 23.59 × 4 =
  24. 24.31 × 4 =
  25. 25.6 × 4 =
  26. 26.58 × 4 =
  27. 27.21 × 4 =
  28. 28.13 × 4 =
  29. 29.25 × 4 =
  30. 30.56 × 4 =
  31. 31.52 × 4 =
  32. 32.14 × 4 =
  33. 33.50 × 4 =
  34. 34.51 × 4 =
  35. 35.43 × 4 =
  36. 36.54 × 4 =
  37. 37.22 × 4 =
  38. 38.27 × 4 =
  39. 39.17 × 4 =
  40. 40.33 × 4 =

Answer key

  1. 164
  2. 180
  3. 136
  4. 140
  5. 64
  6. 192
  7. 92
  8. 36
  9. 112
  10. 76
  11. 184
  12. 156
  13. 60
  14. 116
  15. 40
  16. 104
  17. 188
  18. 240
  19. 168
  20. 128
  21. 44
  22. 96
  23. 236
  24. 124
  25. 24
  26. 232
  27. 84
  28. 52
  29. 100
  30. 224
  31. 208
  32. 56
  33. 200
  34. 204
  35. 172
  36. 216
  37. 88
  38. 108
  39. 68
  40. 132

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