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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 840 · 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. 2.18 × 4 =
  3. 3.43 × 4 =
  4. 4.7 × 4 =
  5. 5.21 × 4 =
  6. 6.32 × 4 =
  7. 7.42 × 4 =
  8. 8.31 × 4 =
  9. 9.54 × 4 =
  10. 10.13 × 4 =
  11. 11.6 × 4 =
  12. 12.19 × 4 =
  13. 13.35 × 4 =
  14. 14.16 × 4 =
  15. 15.12 × 4 =
  16. 16.26 × 4 =
  17. 17.56 × 4 =
  18. 18.59 × 4 =
  19. 19.55 × 4 =
  20. 20.28 × 4 =
  21. 21.47 × 4 =
  22. 22.48 × 4 =
  23. 23.8 × 4 =
  24. 24.33 × 4 =
  25. 25.58 × 4 =
  26. 26.60 × 4 =
  27. 27.14 × 4 =
  28. 28.41 × 4 =
  29. 29.27 × 4 =
  30. 30.15 × 4 =
  31. 31.39 × 4 =
  32. 32.50 × 4 =
  33. 33.25 × 4 =
  34. 34.20 × 4 =
  35. 35.9 × 4 =
  36. 36.38 × 4 =
  37. 37.29 × 4 =
  38. 38.44 × 4 =
  39. 39.24 × 4 =
  40. 40.36 × 4 =

Answer key

  1. 44
  2. 72
  3. 172
  4. 28
  5. 84
  6. 128
  7. 168
  8. 124
  9. 216
  10. 52
  11. 24
  12. 76
  13. 140
  14. 64
  15. 48
  16. 104
  17. 224
  18. 236
  19. 220
  20. 112
  21. 188
  22. 192
  23. 32
  24. 132
  25. 232
  26. 240
  27. 56
  28. 164
  29. 108
  30. 60
  31. 156
  32. 200
  33. 100
  34. 80
  35. 36
  36. 152
  37. 116
  38. 176
  39. 96
  40. 144

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