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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 462 · 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. 2.49 × 4 =
  3. 3.48 × 4 =
  4. 4.15 × 4 =
  5. 5.50 × 4 =
  6. 6.21 × 4 =
  7. 7.24 × 4 =
  8. 8.22 × 4 =
  9. 9.42 × 4 =
  10. 10.25 × 4 =
  11. 11.23 × 4 =
  12. 12.56 × 4 =
  13. 13.58 × 4 =
  14. 14.35 × 4 =
  15. 15.52 × 4 =
  16. 16.34 × 4 =
  17. 17.12 × 4 =
  18. 18.9 × 4 =
  19. 19.29 × 4 =
  20. 20.6 × 4 =
  21. 21.59 × 4 =
  22. 22.44 × 4 =
  23. 23.53 × 4 =
  24. 24.40 × 4 =
  25. 25.47 × 4 =
  26. 26.13 × 4 =
  27. 27.30 × 4 =
  28. 28.36 × 4 =
  29. 29.37 × 4 =
  30. 30.60 × 4 =
  31. 31.32 × 4 =
  32. 32.7 × 4 =
  33. 33.38 × 4 =
  34. 34.55 × 4 =
  35. 35.45 × 4 =
  36. 36.11 × 4 =
  37. 37.18 × 4 =
  38. 38.27 × 4 =
  39. 39.46 × 4 =
  40. 40.33 × 4 =

Answer key

  1. 104
  2. 196
  3. 192
  4. 60
  5. 200
  6. 84
  7. 96
  8. 88
  9. 168
  10. 100
  11. 92
  12. 224
  13. 232
  14. 140
  15. 208
  16. 136
  17. 48
  18. 36
  19. 116
  20. 24
  21. 236
  22. 176
  23. 212
  24. 160
  25. 188
  26. 52
  27. 120
  28. 144
  29. 148
  30. 240
  31. 128
  32. 28
  33. 152
  34. 220
  35. 180
  36. 44
  37. 72
  38. 108
  39. 184
  40. 132

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