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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 386 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.23 × 4 =
  2. 2.26 × 4 =
  3. 3.56 × 4 =
  4. 4.36 × 4 =
  5. 5.28 × 4 =
  6. 6.38 × 4 =
  7. 7.41 × 4 =
  8. 8.17 × 4 =
  9. 9.47 × 4 =
  10. 10.20 × 4 =
  11. 11.16 × 4 =
  12. 12.39 × 4 =
  13. 13.59 × 4 =
  14. 14.58 × 4 =
  15. 15.44 × 4 =
  16. 16.60 × 4 =
  17. 17.14 × 4 =
  18. 18.6 × 4 =
  19. 19.55 × 4 =
  20. 20.32 × 4 =
  21. 21.40 × 4 =
  22. 22.12 × 4 =
  23. 23.8 × 4 =
  24. 24.46 × 4 =
  25. 25.13 × 4 =
  26. 26.52 × 4 =
  27. 27.24 × 4 =
  28. 28.15 × 4 =
  29. 29.7 × 4 =
  30. 30.31 × 4 =
  31. 31.42 × 4 =
  32. 32.19 × 4 =
  33. 33.9 × 4 =
  34. 34.33 × 4 =
  35. 35.10 × 4 =
  36. 36.53 × 4 =
  37. 37.11 × 4 =
  38. 38.21 × 4 =
  39. 39.25 × 4 =
  40. 40.34 × 4 =

Answer key

  1. 92
  2. 104
  3. 224
  4. 144
  5. 112
  6. 152
  7. 164
  8. 68
  9. 188
  10. 80
  11. 64
  12. 156
  13. 236
  14. 232
  15. 176
  16. 240
  17. 56
  18. 24
  19. 220
  20. 128
  21. 160
  22. 48
  23. 32
  24. 184
  25. 52
  26. 208
  27. 96
  28. 60
  29. 28
  30. 124
  31. 168
  32. 76
  33. 36
  34. 132
  35. 40
  36. 212
  37. 44
  38. 84
  39. 100
  40. 136

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