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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 565 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.36 × 4 =
  2. 2.57 × 4 =
  3. 3.31 × 4 =
  4. 4.44 × 4 =
  5. 5.24 × 4 =
  6. 6.58 × 4 =
  7. 7.54 × 4 =
  8. 8.33 × 4 =
  9. 9.42 × 4 =
  10. 10.9 × 4 =
  11. 11.30 × 4 =
  12. 12.27 × 4 =
  13. 13.53 × 4 =
  14. 14.21 × 4 =
  15. 15.38 × 4 =
  16. 16.26 × 4 =
  17. 17.56 × 4 =
  18. 18.59 × 4 =
  19. 19.10 × 4 =
  20. 20.8 × 4 =
  21. 21.55 × 4 =
  22. 22.47 × 4 =
  23. 23.52 × 4 =
  24. 24.18 × 4 =
  25. 25.14 × 4 =
  26. 26.12 × 4 =
  27. 27.25 × 4 =
  28. 28.32 × 4 =
  29. 29.11 × 4 =
  30. 30.7 × 4 =
  31. 31.39 × 4 =
  32. 32.50 × 4 =
  33. 33.19 × 4 =
  34. 34.48 × 4 =
  35. 35.15 × 4 =
  36. 36.60 × 4 =
  37. 37.46 × 4 =
  38. 38.37 × 4 =
  39. 39.16 × 4 =
  40. 40.17 × 4 =

Answer key

  1. 144
  2. 228
  3. 124
  4. 176
  5. 96
  6. 232
  7. 216
  8. 132
  9. 168
  10. 36
  11. 120
  12. 108
  13. 212
  14. 84
  15. 152
  16. 104
  17. 224
  18. 236
  19. 40
  20. 32
  21. 220
  22. 188
  23. 208
  24. 72
  25. 56
  26. 48
  27. 100
  28. 128
  29. 44
  30. 28
  31. 156
  32. 200
  33. 76
  34. 192
  35. 60
  36. 240
  37. 184
  38. 148
  39. 64
  40. 68

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