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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 183 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.10 × 4 =
  2. 2.51 × 4 =
  3. 3.32 × 4 =
  4. 4.48 × 4 =
  5. 5.11 × 4 =
  6. 6.12 × 4 =
  7. 7.17 × 4 =
  8. 8.55 × 4 =
  9. 9.59 × 4 =
  10. 10.19 × 4 =
  11. 11.60 × 4 =
  12. 12.22 × 4 =
  13. 13.43 × 4 =
  14. 14.18 × 4 =
  15. 15.33 × 4 =
  16. 16.7 × 4 =
  17. 17.39 × 4 =
  18. 18.26 × 4 =
  19. 19.41 × 4 =
  20. 20.52 × 4 =
  21. 21.47 × 4 =
  22. 22.9 × 4 =
  23. 23.56 × 4 =
  24. 24.50 × 4 =
  25. 25.45 × 4 =
  26. 26.35 × 4 =
  27. 27.58 × 4 =
  28. 28.13 × 4 =
  29. 29.25 × 4 =
  30. 30.16 × 4 =
  31. 31.57 × 4 =
  32. 32.14 × 4 =
  33. 33.29 × 4 =
  34. 34.37 × 4 =
  35. 35.49 × 4 =
  36. 36.27 × 4 =
  37. 37.40 × 4 =
  38. 38.28 × 4 =
  39. 39.30 × 4 =
  40. 40.6 × 4 =

Answer key

  1. 40
  2. 204
  3. 128
  4. 192
  5. 44
  6. 48
  7. 68
  8. 220
  9. 236
  10. 76
  11. 240
  12. 88
  13. 172
  14. 72
  15. 132
  16. 28
  17. 156
  18. 104
  19. 164
  20. 208
  21. 188
  22. 36
  23. 224
  24. 200
  25. 180
  26. 140
  27. 232
  28. 52
  29. 100
  30. 64
  31. 228
  32. 56
  33. 116
  34. 148
  35. 196
  36. 108
  37. 160
  38. 112
  39. 120
  40. 24

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