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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 770 · 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. 2.25 × 4 =
  3. 3.43 × 4 =
  4. 4.6 × 4 =
  5. 5.47 × 4 =
  6. 6.53 × 4 =
  7. 7.54 × 4 =
  8. 8.9 × 4 =
  9. 9.40 × 4 =
  10. 10.58 × 4 =
  11. 11.19 × 4 =
  12. 12.10 × 4 =
  13. 13.59 × 4 =
  14. 14.51 × 4 =
  15. 15.13 × 4 =
  16. 16.12 × 4 =
  17. 17.21 × 4 =
  18. 18.22 × 4 =
  19. 19.39 × 4 =
  20. 20.56 × 4 =
  21. 21.33 × 4 =
  22. 22.18 × 4 =
  23. 23.15 × 4 =
  24. 24.31 × 4 =
  25. 25.35 × 4 =
  26. 26.16 × 4 =
  27. 27.55 × 4 =
  28. 28.28 × 4 =
  29. 29.30 × 4 =
  30. 30.48 × 4 =
  31. 31.37 × 4 =
  32. 32.45 × 4 =
  33. 33.27 × 4 =
  34. 34.42 × 4 =
  35. 35.46 × 4 =
  36. 36.26 × 4 =
  37. 37.17 × 4 =
  38. 38.34 × 4 =
  39. 39.52 × 4 =
  40. 40.14 × 4 =

Answer key

  1. 144
  2. 100
  3. 172
  4. 24
  5. 188
  6. 212
  7. 216
  8. 36
  9. 160
  10. 232
  11. 76
  12. 40
  13. 236
  14. 204
  15. 52
  16. 48
  17. 84
  18. 88
  19. 156
  20. 224
  21. 132
  22. 72
  23. 60
  24. 124
  25. 140
  26. 64
  27. 220
  28. 112
  29. 120
  30. 192
  31. 148
  32. 180
  33. 108
  34. 168
  35. 184
  36. 104
  37. 68
  38. 136
  39. 208
  40. 56

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