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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 219 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.26 × 4 =
  2. 2.55 × 4 =
  3. 3.13 × 4 =
  4. 4.51 × 4 =
  5. 5.41 × 4 =
  6. 6.29 × 4 =
  7. 7.46 × 4 =
  8. 8.37 × 4 =
  9. 9.40 × 4 =
  10. 10.18 × 4 =
  11. 11.14 × 4 =
  12. 12.19 × 4 =
  13. 13.60 × 4 =
  14. 14.32 × 4 =
  15. 15.24 × 4 =
  16. 16.17 × 4 =
  17. 17.35 × 4 =
  18. 18.57 × 4 =
  19. 19.21 × 4 =
  20. 20.31 × 4 =
  21. 21.50 × 4 =
  22. 22.22 × 4 =
  23. 23.16 × 4 =
  24. 24.48 × 4 =
  25. 25.53 × 4 =
  26. 26.8 × 4 =
  27. 27.23 × 4 =
  28. 28.47 × 4 =
  29. 29.49 × 4 =
  30. 30.45 × 4 =
  31. 31.52 × 4 =
  32. 32.34 × 4 =
  33. 33.42 × 4 =
  34. 34.38 × 4 =
  35. 35.30 × 4 =
  36. 36.39 × 4 =
  37. 37.59 × 4 =
  38. 38.28 × 4 =
  39. 39.9 × 4 =
  40. 40.6 × 4 =

Answer key

  1. 104
  2. 220
  3. 52
  4. 204
  5. 164
  6. 116
  7. 184
  8. 148
  9. 160
  10. 72
  11. 56
  12. 76
  13. 240
  14. 128
  15. 96
  16. 68
  17. 140
  18. 228
  19. 84
  20. 124
  21. 200
  22. 88
  23. 64
  24. 192
  25. 212
  26. 32
  27. 92
  28. 188
  29. 196
  30. 180
  31. 208
  32. 136
  33. 168
  34. 152
  35. 120
  36. 156
  37. 236
  38. 112
  39. 36
  40. 24

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