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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 720 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.44 × 4 =
  2. 2.50 × 4 =
  3. 3.20 × 4 =
  4. 4.33 × 4 =
  5. 5.25 × 4 =
  6. 6.43 × 4 =
  7. 7.11 × 4 =
  8. 8.52 × 4 =
  9. 9.51 × 4 =
  10. 10.13 × 4 =
  11. 11.9 × 4 =
  12. 12.36 × 4 =
  13. 13.10 × 4 =
  14. 14.47 × 4 =
  15. 15.12 × 4 =
  16. 16.16 × 4 =
  17. 17.37 × 4 =
  18. 18.24 × 4 =
  19. 19.32 × 4 =
  20. 20.18 × 4 =
  21. 21.48 × 4 =
  22. 22.59 × 4 =
  23. 23.46 × 4 =
  24. 24.7 × 4 =
  25. 25.6 × 4 =
  26. 26.19 × 4 =
  27. 27.28 × 4 =
  28. 28.8 × 4 =
  29. 29.14 × 4 =
  30. 30.54 × 4 =
  31. 31.15 × 4 =
  32. 32.60 × 4 =
  33. 33.21 × 4 =
  34. 34.57 × 4 =
  35. 35.22 × 4 =
  36. 36.27 × 4 =
  37. 37.31 × 4 =
  38. 38.53 × 4 =
  39. 39.35 × 4 =
  40. 40.30 × 4 =

Answer key

  1. 176
  2. 200
  3. 80
  4. 132
  5. 100
  6. 172
  7. 44
  8. 208
  9. 204
  10. 52
  11. 36
  12. 144
  13. 40
  14. 188
  15. 48
  16. 64
  17. 148
  18. 96
  19. 128
  20. 72
  21. 192
  22. 236
  23. 184
  24. 28
  25. 24
  26. 76
  27. 112
  28. 32
  29. 56
  30. 216
  31. 60
  32. 240
  33. 84
  34. 228
  35. 88
  36. 108
  37. 124
  38. 212
  39. 140
  40. 120

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