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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 416 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.42 × 4 =
  2. 2.25 × 4 =
  3. 3.13 × 4 =
  4. 4.26 × 4 =
  5. 5.22 × 4 =
  6. 6.11 × 4 =
  7. 7.21 × 4 =
  8. 8.54 × 4 =
  9. 9.41 × 4 =
  10. 10.28 × 4 =
  11. 11.27 × 4 =
  12. 12.45 × 4 =
  13. 13.53 × 4 =
  14. 14.31 × 4 =
  15. 15.17 × 4 =
  16. 16.8 × 4 =
  17. 17.30 × 4 =
  18. 18.16 × 4 =
  19. 19.51 × 4 =
  20. 20.47 × 4 =
  21. 21.14 × 4 =
  22. 22.40 × 4 =
  23. 23.34 × 4 =
  24. 24.15 × 4 =
  25. 25.10 × 4 =
  26. 26.12 × 4 =
  27. 27.29 × 4 =
  28. 28.9 × 4 =
  29. 29.39 × 4 =
  30. 30.32 × 4 =
  31. 31.56 × 4 =
  32. 32.6 × 4 =
  33. 33.57 × 4 =
  34. 34.35 × 4 =
  35. 35.37 × 4 =
  36. 36.18 × 4 =
  37. 37.55 × 4 =
  38. 38.44 × 4 =
  39. 39.52 × 4 =
  40. 40.33 × 4 =

Answer key

  1. 168
  2. 100
  3. 52
  4. 104
  5. 88
  6. 44
  7. 84
  8. 216
  9. 164
  10. 112
  11. 108
  12. 180
  13. 212
  14. 124
  15. 68
  16. 32
  17. 120
  18. 64
  19. 204
  20. 188
  21. 56
  22. 160
  23. 136
  24. 60
  25. 40
  26. 48
  27. 116
  28. 36
  29. 156
  30. 128
  31. 224
  32. 24
  33. 228
  34. 140
  35. 148
  36. 72
  37. 220
  38. 176
  39. 208
  40. 132

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