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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 512 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.17 × 4 =
  2. 2.47 × 4 =
  3. 3.39 × 4 =
  4. 4.18 × 4 =
  5. 5.21 × 4 =
  6. 6.13 × 4 =
  7. 7.34 × 4 =
  8. 8.40 × 4 =
  9. 9.51 × 4 =
  10. 10.48 × 4 =
  11. 11.56 × 4 =
  12. 12.12 × 4 =
  13. 13.33 × 4 =
  14. 14.10 × 4 =
  15. 15.36 × 4 =
  16. 16.22 × 4 =
  17. 17.38 × 4 =
  18. 18.45 × 4 =
  19. 19.55 × 4 =
  20. 20.57 × 4 =
  21. 21.26 × 4 =
  22. 22.14 × 4 =
  23. 23.19 × 4 =
  24. 24.35 × 4 =
  25. 25.28 × 4 =
  26. 26.44 × 4 =
  27. 27.20 × 4 =
  28. 28.60 × 4 =
  29. 29.9 × 4 =
  30. 30.11 × 4 =
  31. 31.46 × 4 =
  32. 32.30 × 4 =
  33. 33.49 × 4 =
  34. 34.59 × 4 =
  35. 35.50 × 4 =
  36. 36.7 × 4 =
  37. 37.24 × 4 =
  38. 38.29 × 4 =
  39. 39.52 × 4 =
  40. 40.32 × 4 =

Answer key

  1. 68
  2. 188
  3. 156
  4. 72
  5. 84
  6. 52
  7. 136
  8. 160
  9. 204
  10. 192
  11. 224
  12. 48
  13. 132
  14. 40
  15. 144
  16. 88
  17. 152
  18. 180
  19. 220
  20. 228
  21. 104
  22. 56
  23. 76
  24. 140
  25. 112
  26. 176
  27. 80
  28. 240
  29. 36
  30. 44
  31. 184
  32. 120
  33. 196
  34. 236
  35. 200
  36. 28
  37. 96
  38. 116
  39. 208
  40. 128

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