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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 979 · 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. 2.60 × 4 =
  3. 3.56 × 4 =
  4. 4.22 × 4 =
  5. 5.18 × 4 =
  6. 6.30 × 4 =
  7. 7.11 × 4 =
  8. 8.40 × 4 =
  9. 9.44 × 4 =
  10. 10.6 × 4 =
  11. 11.26 × 4 =
  12. 12.39 × 4 =
  13. 13.7 × 4 =
  14. 14.16 × 4 =
  15. 15.59 × 4 =
  16. 16.58 × 4 =
  17. 17.10 × 4 =
  18. 18.19 × 4 =
  19. 19.21 × 4 =
  20. 20.23 × 4 =
  21. 21.9 × 4 =
  22. 22.51 × 4 =
  23. 23.13 × 4 =
  24. 24.15 × 4 =
  25. 25.20 × 4 =
  26. 26.43 × 4 =
  27. 27.45 × 4 =
  28. 28.8 × 4 =
  29. 29.34 × 4 =
  30. 30.55 × 4 =
  31. 31.29 × 4 =
  32. 32.48 × 4 =
  33. 33.31 × 4 =
  34. 34.24 × 4 =
  35. 35.36 × 4 =
  36. 36.52 × 4 =
  37. 37.12 × 4 =
  38. 38.49 × 4 =
  39. 39.46 × 4 =
  40. 40.33 × 4 =

Answer key

  1. 216
  2. 240
  3. 224
  4. 88
  5. 72
  6. 120
  7. 44
  8. 160
  9. 176
  10. 24
  11. 104
  12. 156
  13. 28
  14. 64
  15. 236
  16. 232
  17. 40
  18. 76
  19. 84
  20. 92
  21. 36
  22. 204
  23. 52
  24. 60
  25. 80
  26. 172
  27. 180
  28. 32
  29. 136
  30. 220
  31. 116
  32. 192
  33. 124
  34. 96
  35. 144
  36. 208
  37. 48
  38. 196
  39. 184
  40. 132

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