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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 270 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.35 × 4 =
  2. 2.51 × 4 =
  3. 3.14 × 4 =
  4. 4.15 × 4 =
  5. 5.17 × 4 =
  6. 6.56 × 4 =
  7. 7.9 × 4 =
  8. 8.32 × 4 =
  9. 9.22 × 4 =
  10. 10.20 × 4 =
  11. 11.25 × 4 =
  12. 12.40 × 4 =
  13. 13.31 × 4 =
  14. 14.13 × 4 =
  15. 15.16 × 4 =
  16. 16.33 × 4 =
  17. 17.24 × 4 =
  18. 18.37 × 4 =
  19. 19.36 × 4 =
  20. 20.48 × 4 =
  21. 21.58 × 4 =
  22. 22.43 × 4 =
  23. 23.11 × 4 =
  24. 24.59 × 4 =
  25. 25.26 × 4 =
  26. 26.39 × 4 =
  27. 27.19 × 4 =
  28. 28.12 × 4 =
  29. 29.34 × 4 =
  30. 30.21 × 4 =
  31. 31.45 × 4 =
  32. 32.29 × 4 =
  33. 33.30 × 4 =
  34. 34.49 × 4 =
  35. 35.50 × 4 =
  36. 36.27 × 4 =
  37. 37.46 × 4 =
  38. 38.38 × 4 =
  39. 39.44 × 4 =
  40. 40.55 × 4 =

Answer key

  1. 140
  2. 204
  3. 56
  4. 60
  5. 68
  6. 224
  7. 36
  8. 128
  9. 88
  10. 80
  11. 100
  12. 160
  13. 124
  14. 52
  15. 64
  16. 132
  17. 96
  18. 148
  19. 144
  20. 192
  21. 232
  22. 172
  23. 44
  24. 236
  25. 104
  26. 156
  27. 76
  28. 48
  29. 136
  30. 84
  31. 180
  32. 116
  33. 120
  34. 196
  35. 200
  36. 108
  37. 184
  38. 152
  39. 176
  40. 220

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