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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 920 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.35 × 4 =
  2. 2.25 × 4 =
  3. 3.23 × 4 =
  4. 4.47 × 4 =
  5. 5.11 × 4 =
  6. 6.38 × 4 =
  7. 7.9 × 4 =
  8. 8.28 × 4 =
  9. 9.45 × 4 =
  10. 10.43 × 4 =
  11. 11.39 × 4 =
  12. 12.27 × 4 =
  13. 13.19 × 4 =
  14. 14.48 × 4 =
  15. 15.56 × 4 =
  16. 16.14 × 4 =
  17. 17.31 × 4 =
  18. 18.20 × 4 =
  19. 19.46 × 4 =
  20. 20.32 × 4 =
  21. 21.13 × 4 =
  22. 22.6 × 4 =
  23. 23.29 × 4 =
  24. 24.36 × 4 =
  25. 25.55 × 4 =
  26. 26.8 × 4 =
  27. 27.21 × 4 =
  28. 28.16 × 4 =
  29. 29.17 × 4 =
  30. 30.59 × 4 =
  31. 31.12 × 4 =
  32. 32.41 × 4 =
  33. 33.33 × 4 =
  34. 34.57 × 4 =
  35. 35.42 × 4 =
  36. 36.10 × 4 =
  37. 37.34 × 4 =
  38. 38.54 × 4 =
  39. 39.58 × 4 =
  40. 40.18 × 4 =

Answer key

  1. 140
  2. 100
  3. 92
  4. 188
  5. 44
  6. 152
  7. 36
  8. 112
  9. 180
  10. 172
  11. 156
  12. 108
  13. 76
  14. 192
  15. 224
  16. 56
  17. 124
  18. 80
  19. 184
  20. 128
  21. 52
  22. 24
  23. 116
  24. 144
  25. 220
  26. 32
  27. 84
  28. 64
  29. 68
  30. 236
  31. 48
  32. 164
  33. 132
  34. 228
  35. 168
  36. 40
  37. 136
  38. 216
  39. 232
  40. 72

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