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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 111 · 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. 2.10 × 4 =
  3. 3.39 × 4 =
  4. 4.14 × 4 =
  5. 5.56 × 4 =
  6. 6.36 × 4 =
  7. 7.28 × 4 =
  8. 8.33 × 4 =
  9. 9.35 × 4 =
  10. 10.55 × 4 =
  11. 11.58 × 4 =
  12. 12.20 × 4 =
  13. 13.57 × 4 =
  14. 14.9 × 4 =
  15. 15.53 × 4 =
  16. 16.15 × 4 =
  17. 17.34 × 4 =
  18. 18.21 × 4 =
  19. 19.27 × 4 =
  20. 20.22 × 4 =
  21. 21.19 × 4 =
  22. 22.40 × 4 =
  23. 23.11 × 4 =
  24. 24.30 × 4 =
  25. 25.31 × 4 =
  26. 26.24 × 4 =
  27. 27.25 × 4 =
  28. 28.49 × 4 =
  29. 29.29 × 4 =
  30. 30.17 × 4 =
  31. 31.38 × 4 =
  32. 32.51 × 4 =
  33. 33.32 × 4 =
  34. 34.45 × 4 =
  35. 35.42 × 4 =
  36. 36.23 × 4 =
  37. 37.43 × 4 =
  38. 38.46 × 4 =
  39. 39.12 × 4 =
  40. 40.52 × 4 =

Answer key

  1. 164
  2. 40
  3. 156
  4. 56
  5. 224
  6. 144
  7. 112
  8. 132
  9. 140
  10. 220
  11. 232
  12. 80
  13. 228
  14. 36
  15. 212
  16. 60
  17. 136
  18. 84
  19. 108
  20. 88
  21. 76
  22. 160
  23. 44
  24. 120
  25. 124
  26. 96
  27. 100
  28. 196
  29. 116
  30. 68
  31. 152
  32. 204
  33. 128
  34. 180
  35. 168
  36. 92
  37. 172
  38. 184
  39. 48
  40. 208

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