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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 707 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.22 × 4 =
  2. 2.58 × 4 =
  3. 3.9 × 4 =
  4. 4.17 × 4 =
  5. 5.10 × 4 =
  6. 6.55 × 4 =
  7. 7.7 × 4 =
  8. 8.12 × 4 =
  9. 9.41 × 4 =
  10. 10.14 × 4 =
  11. 11.43 × 4 =
  12. 12.40 × 4 =
  13. 13.24 × 4 =
  14. 14.21 × 4 =
  15. 15.54 × 4 =
  16. 16.16 × 4 =
  17. 17.32 × 4 =
  18. 18.59 × 4 =
  19. 19.6 × 4 =
  20. 20.60 × 4 =
  21. 21.19 × 4 =
  22. 22.42 × 4 =
  23. 23.34 × 4 =
  24. 24.11 × 4 =
  25. 25.26 × 4 =
  26. 26.8 × 4 =
  27. 27.46 × 4 =
  28. 28.15 × 4 =
  29. 29.45 × 4 =
  30. 30.27 × 4 =
  31. 31.37 × 4 =
  32. 32.18 × 4 =
  33. 33.13 × 4 =
  34. 34.56 × 4 =
  35. 35.53 × 4 =
  36. 36.48 × 4 =
  37. 37.57 × 4 =
  38. 38.30 × 4 =
  39. 39.35 × 4 =
  40. 40.39 × 4 =

Answer key

  1. 88
  2. 232
  3. 36
  4. 68
  5. 40
  6. 220
  7. 28
  8. 48
  9. 164
  10. 56
  11. 172
  12. 160
  13. 96
  14. 84
  15. 216
  16. 64
  17. 128
  18. 236
  19. 24
  20. 240
  21. 76
  22. 168
  23. 136
  24. 44
  25. 104
  26. 32
  27. 184
  28. 60
  29. 180
  30. 108
  31. 148
  32. 72
  33. 52
  34. 224
  35. 212
  36. 192
  37. 228
  38. 120
  39. 140
  40. 156

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