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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 437 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.43 × 4 =
  2. 2.6 × 4 =
  3. 3.42 × 4 =
  4. 4.26 × 4 =
  5. 5.9 × 4 =
  6. 6.16 × 4 =
  7. 7.50 × 4 =
  8. 8.23 × 4 =
  9. 9.30 × 4 =
  10. 10.40 × 4 =
  11. 11.54 × 4 =
  12. 12.31 × 4 =
  13. 13.33 × 4 =
  14. 14.15 × 4 =
  15. 15.48 × 4 =
  16. 16.57 × 4 =
  17. 17.22 × 4 =
  18. 18.24 × 4 =
  19. 19.35 × 4 =
  20. 20.13 × 4 =
  21. 21.8 × 4 =
  22. 22.17 × 4 =
  23. 23.21 × 4 =
  24. 24.60 × 4 =
  25. 25.47 × 4 =
  26. 26.45 × 4 =
  27. 27.11 × 4 =
  28. 28.37 × 4 =
  29. 29.55 × 4 =
  30. 30.20 × 4 =
  31. 31.18 × 4 =
  32. 32.49 × 4 =
  33. 33.56 × 4 =
  34. 34.39 × 4 =
  35. 35.38 × 4 =
  36. 36.34 × 4 =
  37. 37.29 × 4 =
  38. 38.41 × 4 =
  39. 39.52 × 4 =
  40. 40.51 × 4 =

Answer key

  1. 172
  2. 24
  3. 168
  4. 104
  5. 36
  6. 64
  7. 200
  8. 92
  9. 120
  10. 160
  11. 216
  12. 124
  13. 132
  14. 60
  15. 192
  16. 228
  17. 88
  18. 96
  19. 140
  20. 52
  21. 32
  22. 68
  23. 84
  24. 240
  25. 188
  26. 180
  27. 44
  28. 148
  29. 220
  30. 80
  31. 72
  32. 196
  33. 224
  34. 156
  35. 152
  36. 136
  37. 116
  38. 164
  39. 208
  40. 204

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