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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 476 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.54 × 4 =
  2. 2.10 × 4 =
  3. 3.49 × 4 =
  4. 4.27 × 4 =
  5. 5.29 × 4 =
  6. 6.42 × 4 =
  7. 7.57 × 4 =
  8. 8.31 × 4 =
  9. 9.8 × 4 =
  10. 10.24 × 4 =
  11. 11.12 × 4 =
  12. 12.17 × 4 =
  13. 13.7 × 4 =
  14. 14.13 × 4 =
  15. 15.16 × 4 =
  16. 16.33 × 4 =
  17. 17.39 × 4 =
  18. 18.30 × 4 =
  19. 19.28 × 4 =
  20. 20.21 × 4 =
  21. 21.52 × 4 =
  22. 22.11 × 4 =
  23. 23.23 × 4 =
  24. 24.41 × 4 =
  25. 25.56 × 4 =
  26. 26.43 × 4 =
  27. 27.6 × 4 =
  28. 28.35 × 4 =
  29. 29.37 × 4 =
  30. 30.48 × 4 =
  31. 31.15 × 4 =
  32. 32.34 × 4 =
  33. 33.55 × 4 =
  34. 34.58 × 4 =
  35. 35.51 × 4 =
  36. 36.14 × 4 =
  37. 37.45 × 4 =
  38. 38.9 × 4 =
  39. 39.20 × 4 =
  40. 40.38 × 4 =

Answer key

  1. 216
  2. 40
  3. 196
  4. 108
  5. 116
  6. 168
  7. 228
  8. 124
  9. 32
  10. 96
  11. 48
  12. 68
  13. 28
  14. 52
  15. 64
  16. 132
  17. 156
  18. 120
  19. 112
  20. 84
  21. 208
  22. 44
  23. 92
  24. 164
  25. 224
  26. 172
  27. 24
  28. 140
  29. 148
  30. 192
  31. 60
  32. 136
  33. 220
  34. 232
  35. 204
  36. 56
  37. 180
  38. 36
  39. 80
  40. 152

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