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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 230 · 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. 2.16 × 4 =
  3. 3.54 × 4 =
  4. 4.27 × 4 =
  5. 5.24 × 4 =
  6. 6.28 × 4 =
  7. 7.23 × 4 =
  8. 8.14 × 4 =
  9. 9.48 × 4 =
  10. 10.40 × 4 =
  11. 11.36 × 4 =
  12. 12.50 × 4 =
  13. 13.32 × 4 =
  14. 14.18 × 4 =
  15. 15.22 × 4 =
  16. 16.29 × 4 =
  17. 17.52 × 4 =
  18. 18.42 × 4 =
  19. 19.9 × 4 =
  20. 20.38 × 4 =
  21. 21.41 × 4 =
  22. 22.39 × 4 =
  23. 23.30 × 4 =
  24. 24.7 × 4 =
  25. 25.60 × 4 =
  26. 26.35 × 4 =
  27. 27.19 × 4 =
  28. 28.10 × 4 =
  29. 29.8 × 4 =
  30. 30.49 × 4 =
  31. 31.17 × 4 =
  32. 32.21 × 4 =
  33. 33.37 × 4 =
  34. 34.11 × 4 =
  35. 35.57 × 4 =
  36. 36.13 × 4 =
  37. 37.56 × 4 =
  38. 38.44 × 4 =
  39. 39.45 × 4 =
  40. 40.55 × 4 =

Answer key

  1. 104
  2. 64
  3. 216
  4. 108
  5. 96
  6. 112
  7. 92
  8. 56
  9. 192
  10. 160
  11. 144
  12. 200
  13. 128
  14. 72
  15. 88
  16. 116
  17. 208
  18. 168
  19. 36
  20. 152
  21. 164
  22. 156
  23. 120
  24. 28
  25. 240
  26. 140
  27. 76
  28. 40
  29. 32
  30. 196
  31. 68
  32. 84
  33. 148
  34. 44
  35. 228
  36. 52
  37. 224
  38. 176
  39. 180
  40. 220

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