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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 933 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.53 × 4 =
  2. 2.19 × 4 =
  3. 3.48 × 4 =
  4. 4.40 × 4 =
  5. 5.58 × 4 =
  6. 6.14 × 4 =
  7. 7.7 × 4 =
  8. 8.51 × 4 =
  9. 9.12 × 4 =
  10. 10.41 × 4 =
  11. 11.33 × 4 =
  12. 12.17 × 4 =
  13. 13.28 × 4 =
  14. 14.34 × 4 =
  15. 15.20 × 4 =
  16. 16.55 × 4 =
  17. 17.45 × 4 =
  18. 18.9 × 4 =
  19. 19.42 × 4 =
  20. 20.15 × 4 =
  21. 21.35 × 4 =
  22. 22.52 × 4 =
  23. 23.25 × 4 =
  24. 24.10 × 4 =
  25. 25.38 × 4 =
  26. 26.18 × 4 =
  27. 27.16 × 4 =
  28. 28.57 × 4 =
  29. 29.13 × 4 =
  30. 30.39 × 4 =
  31. 31.24 × 4 =
  32. 32.6 × 4 =
  33. 33.26 × 4 =
  34. 34.54 × 4 =
  35. 35.29 × 4 =
  36. 36.21 × 4 =
  37. 37.60 × 4 =
  38. 38.30 × 4 =
  39. 39.32 × 4 =
  40. 40.11 × 4 =

Answer key

  1. 212
  2. 76
  3. 192
  4. 160
  5. 232
  6. 56
  7. 28
  8. 204
  9. 48
  10. 164
  11. 132
  12. 68
  13. 112
  14. 136
  15. 80
  16. 220
  17. 180
  18. 36
  19. 168
  20. 60
  21. 140
  22. 208
  23. 100
  24. 40
  25. 152
  26. 72
  27. 64
  28. 228
  29. 52
  30. 156
  31. 96
  32. 24
  33. 104
  34. 216
  35. 116
  36. 84
  37. 240
  38. 120
  39. 128
  40. 44

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