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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 847 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.12 × 4 =
  2. 2.14 × 4 =
  3. 3.57 × 4 =
  4. 4.7 × 4 =
  5. 5.23 × 4 =
  6. 6.16 × 4 =
  7. 7.10 × 4 =
  8. 8.51 × 4 =
  9. 9.27 × 4 =
  10. 10.33 × 4 =
  11. 11.20 × 4 =
  12. 12.48 × 4 =
  13. 13.54 × 4 =
  14. 14.42 × 4 =
  15. 15.39 × 4 =
  16. 16.43 × 4 =
  17. 17.40 × 4 =
  18. 18.31 × 4 =
  19. 19.46 × 4 =
  20. 20.59 × 4 =
  21. 21.17 × 4 =
  22. 22.41 × 4 =
  23. 23.29 × 4 =
  24. 24.47 × 4 =
  25. 25.60 × 4 =
  26. 26.36 × 4 =
  27. 27.53 × 4 =
  28. 28.50 × 4 =
  29. 29.58 × 4 =
  30. 30.38 × 4 =
  31. 31.6 × 4 =
  32. 32.32 × 4 =
  33. 33.15 × 4 =
  34. 34.34 × 4 =
  35. 35.24 × 4 =
  36. 36.37 × 4 =
  37. 37.26 × 4 =
  38. 38.9 × 4 =
  39. 39.28 × 4 =
  40. 40.8 × 4 =

Answer key

  1. 48
  2. 56
  3. 228
  4. 28
  5. 92
  6. 64
  7. 40
  8. 204
  9. 108
  10. 132
  11. 80
  12. 192
  13. 216
  14. 168
  15. 156
  16. 172
  17. 160
  18. 124
  19. 184
  20. 236
  21. 68
  22. 164
  23. 116
  24. 188
  25. 240
  26. 144
  27. 212
  28. 200
  29. 232
  30. 152
  31. 24
  32. 128
  33. 60
  34. 136
  35. 96
  36. 148
  37. 104
  38. 36
  39. 112
  40. 32

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