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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 283 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.23 × 4 =
  2. 2.46 × 4 =
  3. 3.34 × 4 =
  4. 4.8 × 4 =
  5. 5.44 × 4 =
  6. 6.40 × 4 =
  7. 7.11 × 4 =
  8. 8.55 × 4 =
  9. 9.57 × 4 =
  10. 10.41 × 4 =
  11. 11.58 × 4 =
  12. 12.19 × 4 =
  13. 13.9 × 4 =
  14. 14.24 × 4 =
  15. 15.47 × 4 =
  16. 16.21 × 4 =
  17. 17.7 × 4 =
  18. 18.18 × 4 =
  19. 19.15 × 4 =
  20. 20.37 × 4 =
  21. 21.50 × 4 =
  22. 22.45 × 4 =
  23. 23.49 × 4 =
  24. 24.48 × 4 =
  25. 25.22 × 4 =
  26. 26.27 × 4 =
  27. 27.17 × 4 =
  28. 28.52 × 4 =
  29. 29.42 × 4 =
  30. 30.53 × 4 =
  31. 31.54 × 4 =
  32. 32.28 × 4 =
  33. 33.20 × 4 =
  34. 34.60 × 4 =
  35. 35.35 × 4 =
  36. 36.36 × 4 =
  37. 37.12 × 4 =
  38. 38.16 × 4 =
  39. 39.30 × 4 =
  40. 40.32 × 4 =

Answer key

  1. 92
  2. 184
  3. 136
  4. 32
  5. 176
  6. 160
  7. 44
  8. 220
  9. 228
  10. 164
  11. 232
  12. 76
  13. 36
  14. 96
  15. 188
  16. 84
  17. 28
  18. 72
  19. 60
  20. 148
  21. 200
  22. 180
  23. 196
  24. 192
  25. 88
  26. 108
  27. 68
  28. 208
  29. 168
  30. 212
  31. 216
  32. 112
  33. 80
  34. 240
  35. 140
  36. 144
  37. 48
  38. 64
  39. 120
  40. 128

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