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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 369 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.16 × 4 =
  2. 2.57 × 4 =
  3. 3.20 × 4 =
  4. 4.49 × 4 =
  5. 5.56 × 4 =
  6. 6.19 × 4 =
  7. 7.9 × 4 =
  8. 8.60 × 4 =
  9. 9.12 × 4 =
  10. 10.30 × 4 =
  11. 11.47 × 4 =
  12. 12.44 × 4 =
  13. 13.42 × 4 =
  14. 14.25 × 4 =
  15. 15.43 × 4 =
  16. 16.17 × 4 =
  17. 17.52 × 4 =
  18. 18.27 × 4 =
  19. 19.31 × 4 =
  20. 20.10 × 4 =
  21. 21.41 × 4 =
  22. 22.40 × 4 =
  23. 23.11 × 4 =
  24. 24.34 × 4 =
  25. 25.35 × 4 =
  26. 26.39 × 4 =
  27. 27.55 × 4 =
  28. 28.59 × 4 =
  29. 29.54 × 4 =
  30. 30.18 × 4 =
  31. 31.26 × 4 =
  32. 32.51 × 4 =
  33. 33.13 × 4 =
  34. 34.24 × 4 =
  35. 35.53 × 4 =
  36. 36.21 × 4 =
  37. 37.36 × 4 =
  38. 38.45 × 4 =
  39. 39.60 × 4 =
  40. 40.58 × 4 =

Answer key

  1. 64
  2. 228
  3. 80
  4. 196
  5. 224
  6. 76
  7. 36
  8. 240
  9. 48
  10. 120
  11. 188
  12. 176
  13. 168
  14. 100
  15. 172
  16. 68
  17. 208
  18. 108
  19. 124
  20. 40
  21. 164
  22. 160
  23. 44
  24. 136
  25. 140
  26. 156
  27. 220
  28. 236
  29. 216
  30. 72
  31. 104
  32. 204
  33. 52
  34. 96
  35. 212
  36. 84
  37. 144
  38. 180
  39. 240
  40. 232

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