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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 384 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.21 × 4 =
  2. 2.42 × 4 =
  3. 3.59 × 4 =
  4. 4.38 × 4 =
  5. 5.25 × 4 =
  6. 6.26 × 4 =
  7. 7.13 × 4 =
  8. 8.58 × 4 =
  9. 9.43 × 4 =
  10. 10.49 × 4 =
  11. 11.54 × 4 =
  12. 12.37 × 4 =
  13. 13.8 × 4 =
  14. 14.41 × 4 =
  15. 15.11 × 4 =
  16. 16.20 × 4 =
  17. 17.35 × 4 =
  18. 18.40 × 4 =
  19. 19.52 × 4 =
  20. 20.17 × 4 =
  21. 21.50 × 4 =
  22. 22.10 × 4 =
  23. 23.55 × 4 =
  24. 24.53 × 4 =
  25. 25.22 × 4 =
  26. 26.24 × 4 =
  27. 27.14 × 4 =
  28. 28.23 × 4 =
  29. 29.36 × 4 =
  30. 30.60 × 4 =
  31. 31.31 × 4 =
  32. 32.46 × 4 =
  33. 33.6 × 4 =
  34. 34.32 × 4 =
  35. 35.15 × 4 =
  36. 36.56 × 4 =
  37. 37.16 × 4 =
  38. 38.7 × 4 =
  39. 39.19 × 4 =
  40. 40.34 × 4 =

Answer key

  1. 84
  2. 168
  3. 236
  4. 152
  5. 100
  6. 104
  7. 52
  8. 232
  9. 172
  10. 196
  11. 216
  12. 148
  13. 32
  14. 164
  15. 44
  16. 80
  17. 140
  18. 160
  19. 208
  20. 68
  21. 200
  22. 40
  23. 220
  24. 212
  25. 88
  26. 96
  27. 56
  28. 92
  29. 144
  30. 240
  31. 124
  32. 184
  33. 24
  34. 128
  35. 60
  36. 224
  37. 64
  38. 28
  39. 76
  40. 136

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