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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 674 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.7 × 4 =
  2. 2.34 × 4 =
  3. 3.24 × 4 =
  4. 4.18 × 4 =
  5. 5.22 × 4 =
  6. 6.11 × 4 =
  7. 7.50 × 4 =
  8. 8.30 × 4 =
  9. 9.37 × 4 =
  10. 10.17 × 4 =
  11. 11.28 × 4 =
  12. 12.59 × 4 =
  13. 13.33 × 4 =
  14. 14.29 × 4 =
  15. 15.14 × 4 =
  16. 16.26 × 4 =
  17. 17.58 × 4 =
  18. 18.16 × 4 =
  19. 19.8 × 4 =
  20. 20.44 × 4 =
  21. 21.46 × 4 =
  22. 22.19 × 4 =
  23. 23.40 × 4 =
  24. 24.25 × 4 =
  25. 25.38 × 4 =
  26. 26.27 × 4 =
  27. 27.51 × 4 =
  28. 28.6 × 4 =
  29. 29.35 × 4 =
  30. 30.52 × 4 =
  31. 31.43 × 4 =
  32. 32.48 × 4 =
  33. 33.56 × 4 =
  34. 34.10 × 4 =
  35. 35.32 × 4 =
  36. 36.15 × 4 =
  37. 37.45 × 4 =
  38. 38.39 × 4 =
  39. 39.42 × 4 =
  40. 40.60 × 4 =

Answer key

  1. 28
  2. 136
  3. 96
  4. 72
  5. 88
  6. 44
  7. 200
  8. 120
  9. 148
  10. 68
  11. 112
  12. 236
  13. 132
  14. 116
  15. 56
  16. 104
  17. 232
  18. 64
  19. 32
  20. 176
  21. 184
  22. 76
  23. 160
  24. 100
  25. 152
  26. 108
  27. 204
  28. 24
  29. 140
  30. 208
  31. 172
  32. 192
  33. 224
  34. 40
  35. 128
  36. 60
  37. 180
  38. 156
  39. 168
  40. 240

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