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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 211 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.11 × 4 =
  2. 2.16 × 4 =
  3. 3.36 × 4 =
  4. 4.25 × 4 =
  5. 5.49 × 4 =
  6. 6.20 × 4 =
  7. 7.12 × 4 =
  8. 8.53 × 4 =
  9. 9.18 × 4 =
  10. 10.28 × 4 =
  11. 11.59 × 4 =
  12. 12.44 × 4 =
  13. 13.45 × 4 =
  14. 14.46 × 4 =
  15. 15.6 × 4 =
  16. 16.37 × 4 =
  17. 17.19 × 4 =
  18. 18.7 × 4 =
  19. 19.33 × 4 =
  20. 20.40 × 4 =
  21. 21.52 × 4 =
  22. 22.48 × 4 =
  23. 23.15 × 4 =
  24. 24.34 × 4 =
  25. 25.13 × 4 =
  26. 26.22 × 4 =
  27. 27.10 × 4 =
  28. 28.31 × 4 =
  29. 29.57 × 4 =
  30. 30.17 × 4 =
  31. 31.39 × 4 =
  32. 32.41 × 4 =
  33. 33.60 × 4 =
  34. 34.58 × 4 =
  35. 35.9 × 4 =
  36. 36.43 × 4 =
  37. 37.35 × 4 =
  38. 38.50 × 4 =
  39. 39.8 × 4 =
  40. 40.34 × 4 =

Answer key

  1. 44
  2. 64
  3. 144
  4. 100
  5. 196
  6. 80
  7. 48
  8. 212
  9. 72
  10. 112
  11. 236
  12. 176
  13. 180
  14. 184
  15. 24
  16. 148
  17. 76
  18. 28
  19. 132
  20. 160
  21. 208
  22. 192
  23. 60
  24. 136
  25. 52
  26. 88
  27. 40
  28. 124
  29. 228
  30. 68
  31. 156
  32. 164
  33. 240
  34. 232
  35. 36
  36. 172
  37. 140
  38. 200
  39. 32
  40. 136

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