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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 470 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.55 × 4 =
  2. 2.10 × 4 =
  3. 3.28 × 4 =
  4. 4.35 × 4 =
  5. 5.53 × 4 =
  6. 6.54 × 4 =
  7. 7.60 × 4 =
  8. 8.17 × 4 =
  9. 9.33 × 4 =
  10. 10.43 × 4 =
  11. 11.39 × 4 =
  12. 12.41 × 4 =
  13. 13.40 × 4 =
  14. 14.16 × 4 =
  15. 15.51 × 4 =
  16. 16.36 × 4 =
  17. 17.27 × 4 =
  18. 18.6 × 4 =
  19. 19.20 × 4 =
  20. 20.24 × 4 =
  21. 21.37 × 4 =
  22. 22.15 × 4 =
  23. 23.7 × 4 =
  24. 24.32 × 4 =
  25. 25.13 × 4 =
  26. 26.31 × 4 =
  27. 27.23 × 4 =
  28. 28.57 × 4 =
  29. 29.14 × 4 =
  30. 30.19 × 4 =
  31. 31.38 × 4 =
  32. 32.47 × 4 =
  33. 33.45 × 4 =
  34. 34.8 × 4 =
  35. 35.48 × 4 =
  36. 36.59 × 4 =
  37. 37.21 × 4 =
  38. 38.46 × 4 =
  39. 39.34 × 4 =
  40. 40.18 × 4 =

Answer key

  1. 220
  2. 40
  3. 112
  4. 140
  5. 212
  6. 216
  7. 240
  8. 68
  9. 132
  10. 172
  11. 156
  12. 164
  13. 160
  14. 64
  15. 204
  16. 144
  17. 108
  18. 24
  19. 80
  20. 96
  21. 148
  22. 60
  23. 28
  24. 128
  25. 52
  26. 124
  27. 92
  28. 228
  29. 56
  30. 76
  31. 152
  32. 188
  33. 180
  34. 32
  35. 192
  36. 236
  37. 84
  38. 184
  39. 136
  40. 72

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