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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 818 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.23 × 4 =
  2. 2.14 × 4 =
  3. 3.21 × 4 =
  4. 4.44 × 4 =
  5. 5.24 × 4 =
  6. 6.42 × 4 =
  7. 7.36 × 4 =
  8. 8.29 × 4 =
  9. 9.27 × 4 =
  10. 10.33 × 4 =
  11. 11.11 × 4 =
  12. 12.17 × 4 =
  13. 13.50 × 4 =
  14. 14.54 × 4 =
  15. 15.38 × 4 =
  16. 16.37 × 4 =
  17. 17.57 × 4 =
  18. 18.46 × 4 =
  19. 19.32 × 4 =
  20. 20.15 × 4 =
  21. 21.60 × 4 =
  22. 22.7 × 4 =
  23. 23.40 × 4 =
  24. 24.53 × 4 =
  25. 25.8 × 4 =
  26. 26.39 × 4 =
  27. 27.6 × 4 =
  28. 28.31 × 4 =
  29. 29.49 × 4 =
  30. 30.47 × 4 =
  31. 31.52 × 4 =
  32. 32.28 × 4 =
  33. 33.45 × 4 =
  34. 34.56 × 4 =
  35. 35.58 × 4 =
  36. 36.20 × 4 =
  37. 37.51 × 4 =
  38. 38.18 × 4 =
  39. 39.30 × 4 =
  40. 40.22 × 4 =

Answer key

  1. 92
  2. 56
  3. 84
  4. 176
  5. 96
  6. 168
  7. 144
  8. 116
  9. 108
  10. 132
  11. 44
  12. 68
  13. 200
  14. 216
  15. 152
  16. 148
  17. 228
  18. 184
  19. 128
  20. 60
  21. 240
  22. 28
  23. 160
  24. 212
  25. 32
  26. 156
  27. 24
  28. 124
  29. 196
  30. 188
  31. 208
  32. 112
  33. 180
  34. 224
  35. 232
  36. 80
  37. 204
  38. 72
  39. 120
  40. 88

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