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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 348 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.12 × 4 =
  2. 2.51 × 4 =
  3. 3.15 × 4 =
  4. 4.18 × 4 =
  5. 5.19 × 4 =
  6. 6.42 × 4 =
  7. 7.48 × 4 =
  8. 8.24 × 4 =
  9. 9.41 × 4 =
  10. 10.31 × 4 =
  11. 11.20 × 4 =
  12. 12.38 × 4 =
  13. 13.45 × 4 =
  14. 14.6 × 4 =
  15. 15.10 × 4 =
  16. 16.59 × 4 =
  17. 17.44 × 4 =
  18. 18.28 × 4 =
  19. 19.25 × 4 =
  20. 20.11 × 4 =
  21. 21.57 × 4 =
  22. 22.23 × 4 =
  23. 23.37 × 4 =
  24. 24.49 × 4 =
  25. 25.17 × 4 =
  26. 26.30 × 4 =
  27. 27.26 × 4 =
  28. 28.55 × 4 =
  29. 29.8 × 4 =
  30. 30.34 × 4 =
  31. 31.58 × 4 =
  32. 32.50 × 4 =
  33. 33.36 × 4 =
  34. 34.39 × 4 =
  35. 35.60 × 4 =
  36. 36.29 × 4 =
  37. 37.27 × 4 =
  38. 38.52 × 4 =
  39. 39.35 × 4 =
  40. 40.16 × 4 =

Answer key

  1. 48
  2. 204
  3. 60
  4. 72
  5. 76
  6. 168
  7. 192
  8. 96
  9. 164
  10. 124
  11. 80
  12. 152
  13. 180
  14. 24
  15. 40
  16. 236
  17. 176
  18. 112
  19. 100
  20. 44
  21. 228
  22. 92
  23. 148
  24. 196
  25. 68
  26. 120
  27. 104
  28. 220
  29. 32
  30. 136
  31. 232
  32. 200
  33. 144
  34. 156
  35. 240
  36. 116
  37. 108
  38. 208
  39. 140
  40. 64

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