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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 576 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.41 × 4 =
  2. 2.54 × 4 =
  3. 3.21 × 4 =
  4. 4.45 × 4 =
  5. 5.25 × 4 =
  6. 6.37 × 4 =
  7. 7.44 × 4 =
  8. 8.53 × 4 =
  9. 9.11 × 4 =
  10. 10.55 × 4 =
  11. 11.32 × 4 =
  12. 12.7 × 4 =
  13. 13.28 × 4 =
  14. 14.39 × 4 =
  15. 15.14 × 4 =
  16. 16.19 × 4 =
  17. 17.24 × 4 =
  18. 18.17 × 4 =
  19. 19.51 × 4 =
  20. 20.8 × 4 =
  21. 21.60 × 4 =
  22. 22.48 × 4 =
  23. 23.16 × 4 =
  24. 24.42 × 4 =
  25. 25.38 × 4 =
  26. 26.12 × 4 =
  27. 27.27 × 4 =
  28. 28.31 × 4 =
  29. 29.13 × 4 =
  30. 30.56 × 4 =
  31. 31.46 × 4 =
  32. 32.57 × 4 =
  33. 33.10 × 4 =
  34. 34.30 × 4 =
  35. 35.26 × 4 =
  36. 36.15 × 4 =
  37. 37.34 × 4 =
  38. 38.40 × 4 =
  39. 39.9 × 4 =
  40. 40.29 × 4 =

Answer key

  1. 164
  2. 216
  3. 84
  4. 180
  5. 100
  6. 148
  7. 176
  8. 212
  9. 44
  10. 220
  11. 128
  12. 28
  13. 112
  14. 156
  15. 56
  16. 76
  17. 96
  18. 68
  19. 204
  20. 32
  21. 240
  22. 192
  23. 64
  24. 168
  25. 152
  26. 48
  27. 108
  28. 124
  29. 52
  30. 224
  31. 184
  32. 228
  33. 40
  34. 120
  35. 104
  36. 60
  37. 136
  38. 160
  39. 36
  40. 116

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