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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 406 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.49 × 4 =
  2. 2.19 × 4 =
  3. 3.26 × 4 =
  4. 4.60 × 4 =
  5. 5.23 × 4 =
  6. 6.55 × 4 =
  7. 7.57 × 4 =
  8. 8.18 × 4 =
  9. 9.15 × 4 =
  10. 10.9 × 4 =
  11. 11.40 × 4 =
  12. 12.54 × 4 =
  13. 13.59 × 4 =
  14. 14.11 × 4 =
  15. 15.21 × 4 =
  16. 16.45 × 4 =
  17. 17.52 × 4 =
  18. 18.51 × 4 =
  19. 19.46 × 4 =
  20. 20.20 × 4 =
  21. 21.14 × 4 =
  22. 22.6 × 4 =
  23. 23.39 × 4 =
  24. 24.29 × 4 =
  25. 25.30 × 4 =
  26. 26.10 × 4 =
  27. 27.24 × 4 =
  28. 28.56 × 4 =
  29. 29.48 × 4 =
  30. 30.32 × 4 =
  31. 31.58 × 4 =
  32. 32.12 × 4 =
  33. 33.16 × 4 =
  34. 34.22 × 4 =
  35. 35.37 × 4 =
  36. 36.42 × 4 =
  37. 37.8 × 4 =
  38. 38.7 × 4 =
  39. 39.13 × 4 =
  40. 40.43 × 4 =

Answer key

  1. 196
  2. 76
  3. 104
  4. 240
  5. 92
  6. 220
  7. 228
  8. 72
  9. 60
  10. 36
  11. 160
  12. 216
  13. 236
  14. 44
  15. 84
  16. 180
  17. 208
  18. 204
  19. 184
  20. 80
  21. 56
  22. 24
  23. 156
  24. 116
  25. 120
  26. 40
  27. 96
  28. 224
  29. 192
  30. 128
  31. 232
  32. 48
  33. 64
  34. 88
  35. 148
  36. 168
  37. 32
  38. 28
  39. 52
  40. 172

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