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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 28 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.9 × 4 =
  2. 2.41 × 4 =
  3. 3.11 × 4 =
  4. 4.32 × 4 =
  5. 5.24 × 4 =
  6. 6.56 × 4 =
  7. 7.16 × 4 =
  8. 8.54 × 4 =
  9. 9.10 × 4 =
  10. 10.33 × 4 =
  11. 11.14 × 4 =
  12. 12.7 × 4 =
  13. 13.58 × 4 =
  14. 14.17 × 4 =
  15. 15.13 × 4 =
  16. 16.36 × 4 =
  17. 17.12 × 4 =
  18. 18.6 × 4 =
  19. 19.20 × 4 =
  20. 20.38 × 4 =
  21. 21.52 × 4 =
  22. 22.57 × 4 =
  23. 23.44 × 4 =
  24. 24.47 × 4 =
  25. 25.21 × 4 =
  26. 26.15 × 4 =
  27. 27.23 × 4 =
  28. 28.49 × 4 =
  29. 29.59 × 4 =
  30. 30.26 × 4 =
  31. 31.18 × 4 =
  32. 32.34 × 4 =
  33. 33.50 × 4 =
  34. 34.51 × 4 =
  35. 35.30 × 4 =
  36. 36.22 × 4 =
  37. 37.31 × 4 =
  38. 38.39 × 4 =
  39. 39.19 × 4 =
  40. 40.37 × 4 =

Answer key

  1. 36
  2. 164
  3. 44
  4. 128
  5. 96
  6. 224
  7. 64
  8. 216
  9. 40
  10. 132
  11. 56
  12. 28
  13. 232
  14. 68
  15. 52
  16. 144
  17. 48
  18. 24
  19. 80
  20. 152
  21. 208
  22. 228
  23. 176
  24. 188
  25. 84
  26. 60
  27. 92
  28. 196
  29. 236
  30. 104
  31. 72
  32. 136
  33. 200
  34. 204
  35. 120
  36. 88
  37. 124
  38. 156
  39. 76
  40. 148

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