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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 837 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.11 × 4 =
  2. 2.9 × 4 =
  3. 3.48 × 4 =
  4. 4.15 × 4 =
  5. 5.20 × 4 =
  6. 6.34 × 4 =
  7. 7.26 × 4 =
  8. 8.50 × 4 =
  9. 9.43 × 4 =
  10. 10.40 × 4 =
  11. 11.29 × 4 =
  12. 12.27 × 4 =
  13. 13.7 × 4 =
  14. 14.19 × 4 =
  15. 15.60 × 4 =
  16. 16.23 × 4 =
  17. 17.52 × 4 =
  18. 18.21 × 4 =
  19. 19.33 × 4 =
  20. 20.13 × 4 =
  21. 21.10 × 4 =
  22. 22.46 × 4 =
  23. 23.51 × 4 =
  24. 24.57 × 4 =
  25. 25.55 × 4 =
  26. 26.32 × 4 =
  27. 27.41 × 4 =
  28. 28.18 × 4 =
  29. 29.58 × 4 =
  30. 30.25 × 4 =
  31. 31.39 × 4 =
  32. 32.45 × 4 =
  33. 33.12 × 4 =
  34. 34.38 × 4 =
  35. 35.37 × 4 =
  36. 36.17 × 4 =
  37. 37.56 × 4 =
  38. 38.8 × 4 =
  39. 39.31 × 4 =
  40. 40.6 × 4 =

Answer key

  1. 44
  2. 36
  3. 192
  4. 60
  5. 80
  6. 136
  7. 104
  8. 200
  9. 172
  10. 160
  11. 116
  12. 108
  13. 28
  14. 76
  15. 240
  16. 92
  17. 208
  18. 84
  19. 132
  20. 52
  21. 40
  22. 184
  23. 204
  24. 228
  25. 220
  26. 128
  27. 164
  28. 72
  29. 232
  30. 100
  31. 156
  32. 180
  33. 48
  34. 152
  35. 148
  36. 68
  37. 224
  38. 32
  39. 124
  40. 24

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