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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 780 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.6 × 4 =
  2. 2.32 × 4 =
  3. 3.39 × 4 =
  4. 4.25 × 4 =
  5. 5.14 × 4 =
  6. 6.33 × 4 =
  7. 7.36 × 4 =
  8. 8.18 × 4 =
  9. 9.11 × 4 =
  10. 10.17 × 4 =
  11. 11.27 × 4 =
  12. 12.56 × 4 =
  13. 13.37 × 4 =
  14. 14.21 × 4 =
  15. 15.55 × 4 =
  16. 16.15 × 4 =
  17. 17.34 × 4 =
  18. 18.10 × 4 =
  19. 19.30 × 4 =
  20. 20.19 × 4 =
  21. 21.57 × 4 =
  22. 22.24 × 4 =
  23. 23.29 × 4 =
  24. 24.8 × 4 =
  25. 25.38 × 4 =
  26. 26.35 × 4 =
  27. 27.13 × 4 =
  28. 28.31 × 4 =
  29. 29.22 × 4 =
  30. 30.46 × 4 =
  31. 31.48 × 4 =
  32. 32.54 × 4 =
  33. 33.60 × 4 =
  34. 34.51 × 4 =
  35. 35.44 × 4 =
  36. 36.7 × 4 =
  37. 37.12 × 4 =
  38. 38.58 × 4 =
  39. 39.28 × 4 =
  40. 40.40 × 4 =

Answer key

  1. 24
  2. 128
  3. 156
  4. 100
  5. 56
  6. 132
  7. 144
  8. 72
  9. 44
  10. 68
  11. 108
  12. 224
  13. 148
  14. 84
  15. 220
  16. 60
  17. 136
  18. 40
  19. 120
  20. 76
  21. 228
  22. 96
  23. 116
  24. 32
  25. 152
  26. 140
  27. 52
  28. 124
  29. 88
  30. 184
  31. 192
  32. 216
  33. 240
  34. 204
  35. 176
  36. 28
  37. 48
  38. 232
  39. 112
  40. 160

Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks