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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 650 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.48 × 4 =
  2. 2.12 × 4 =
  3. 3.6 × 4 =
  4. 4.54 × 4 =
  5. 5.51 × 4 =
  6. 6.57 × 4 =
  7. 7.11 × 4 =
  8. 8.45 × 4 =
  9. 9.15 × 4 =
  10. 10.7 × 4 =
  11. 11.35 × 4 =
  12. 12.53 × 4 =
  13. 13.29 × 4 =
  14. 14.22 × 4 =
  15. 15.25 × 4 =
  16. 16.18 × 4 =
  17. 17.59 × 4 =
  18. 18.9 × 4 =
  19. 19.41 × 4 =
  20. 20.42 × 4 =
  21. 21.58 × 4 =
  22. 22.19 × 4 =
  23. 23.23 × 4 =
  24. 24.50 × 4 =
  25. 25.20 × 4 =
  26. 26.49 × 4 =
  27. 27.60 × 4 =
  28. 28.47 × 4 =
  29. 29.26 × 4 =
  30. 30.55 × 4 =
  31. 31.24 × 4 =
  32. 32.17 × 4 =
  33. 33.14 × 4 =
  34. 34.52 × 4 =
  35. 35.27 × 4 =
  36. 36.10 × 4 =
  37. 37.43 × 4 =
  38. 38.37 × 4 =
  39. 39.38 × 4 =
  40. 40.32 × 4 =

Answer key

  1. 192
  2. 48
  3. 24
  4. 216
  5. 204
  6. 228
  7. 44
  8. 180
  9. 60
  10. 28
  11. 140
  12. 212
  13. 116
  14. 88
  15. 100
  16. 72
  17. 236
  18. 36
  19. 164
  20. 168
  21. 232
  22. 76
  23. 92
  24. 200
  25. 80
  26. 196
  27. 240
  28. 188
  29. 104
  30. 220
  31. 96
  32. 68
  33. 56
  34. 208
  35. 108
  36. 40
  37. 172
  38. 148
  39. 152
  40. 128

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