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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 629 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.15 × 4 =
  2. 2.57 × 4 =
  3. 3.7 × 4 =
  4. 4.33 × 4 =
  5. 5.46 × 4 =
  6. 6.51 × 4 =
  7. 7.19 × 4 =
  8. 8.31 × 4 =
  9. 9.41 × 4 =
  10. 10.53 × 4 =
  11. 11.13 × 4 =
  12. 12.30 × 4 =
  13. 13.14 × 4 =
  14. 14.52 × 4 =
  15. 15.11 × 4 =
  16. 16.16 × 4 =
  17. 17.36 × 4 =
  18. 18.44 × 4 =
  19. 19.40 × 4 =
  20. 20.9 × 4 =
  21. 21.22 × 4 =
  22. 22.12 × 4 =
  23. 23.60 × 4 =
  24. 24.10 × 4 =
  25. 25.29 × 4 =
  26. 26.54 × 4 =
  27. 27.42 × 4 =
  28. 28.34 × 4 =
  29. 29.32 × 4 =
  30. 30.47 × 4 =
  31. 31.17 × 4 =
  32. 32.35 × 4 =
  33. 33.59 × 4 =
  34. 34.6 × 4 =
  35. 35.58 × 4 =
  36. 36.24 × 4 =
  37. 37.25 × 4 =
  38. 38.23 × 4 =
  39. 39.39 × 4 =
  40. 40.43 × 4 =

Answer key

  1. 60
  2. 228
  3. 28
  4. 132
  5. 184
  6. 204
  7. 76
  8. 124
  9. 164
  10. 212
  11. 52
  12. 120
  13. 56
  14. 208
  15. 44
  16. 64
  17. 144
  18. 176
  19. 160
  20. 36
  21. 88
  22. 48
  23. 240
  24. 40
  25. 116
  26. 216
  27. 168
  28. 136
  29. 128
  30. 188
  31. 68
  32. 140
  33. 236
  34. 24
  35. 232
  36. 96
  37. 100
  38. 92
  39. 156
  40. 172

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