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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 307 · 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. 2.10 × 4 =
  3. 3.58 × 4 =
  4. 4.18 × 4 =
  5. 5.52 × 4 =
  6. 6.7 × 4 =
  7. 7.56 × 4 =
  8. 8.47 × 4 =
  9. 9.29 × 4 =
  10. 10.39 × 4 =
  11. 11.57 × 4 =
  12. 12.16 × 4 =
  13. 13.21 × 4 =
  14. 14.26 × 4 =
  15. 15.19 × 4 =
  16. 16.34 × 4 =
  17. 17.8 × 4 =
  18. 18.55 × 4 =
  19. 19.12 × 4 =
  20. 20.60 × 4 =
  21. 21.45 × 4 =
  22. 22.59 × 4 =
  23. 23.37 × 4 =
  24. 24.50 × 4 =
  25. 25.6 × 4 =
  26. 26.48 × 4 =
  27. 27.30 × 4 =
  28. 28.54 × 4 =
  29. 29.22 × 4 =
  30. 30.44 × 4 =
  31. 31.25 × 4 =
  32. 32.20 × 4 =
  33. 33.15 × 4 =
  34. 34.53 × 4 =
  35. 35.41 × 4 =
  36. 36.31 × 4 =
  37. 37.42 × 4 =
  38. 38.32 × 4 =
  39. 39.51 × 4 =
  40. 40.36 × 4 =

Answer key

  1. 92
  2. 40
  3. 232
  4. 72
  5. 208
  6. 28
  7. 224
  8. 188
  9. 116
  10. 156
  11. 228
  12. 64
  13. 84
  14. 104
  15. 76
  16. 136
  17. 32
  18. 220
  19. 48
  20. 240
  21. 180
  22. 236
  23. 148
  24. 200
  25. 24
  26. 192
  27. 120
  28. 216
  29. 88
  30. 176
  31. 100
  32. 80
  33. 60
  34. 212
  35. 164
  36. 124
  37. 168
  38. 128
  39. 204
  40. 144

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