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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 7 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.11 × 4 =
  2. 2.6 × 4 =
  3. 3.56 × 4 =
  4. 4.57 × 4 =
  5. 5.17 × 4 =
  6. 6.12 × 4 =
  7. 7.35 × 4 =
  8. 8.55 × 4 =
  9. 9.14 × 4 =
  10. 10.7 × 4 =
  11. 11.45 × 4 =
  12. 12.32 × 4 =
  13. 13.29 × 4 =
  14. 14.23 × 4 =
  15. 15.42 × 4 =
  16. 16.40 × 4 =
  17. 17.24 × 4 =
  18. 18.34 × 4 =
  19. 19.8 × 4 =
  20. 20.46 × 4 =
  21. 21.25 × 4 =
  22. 22.52 × 4 =
  23. 23.38 × 4 =
  24. 24.19 × 4 =
  25. 25.13 × 4 =
  26. 26.36 × 4 =
  27. 27.51 × 4 =
  28. 28.49 × 4 =
  29. 29.60 × 4 =
  30. 30.54 × 4 =
  31. 31.28 × 4 =
  32. 32.43 × 4 =
  33. 33.58 × 4 =
  34. 34.53 × 4 =
  35. 35.21 × 4 =
  36. 36.20 × 4 =
  37. 37.59 × 4 =
  38. 38.26 × 4 =
  39. 39.31 × 4 =
  40. 40.9 × 4 =

Answer key

  1. 44
  2. 24
  3. 224
  4. 228
  5. 68
  6. 48
  7. 140
  8. 220
  9. 56
  10. 28
  11. 180
  12. 128
  13. 116
  14. 92
  15. 168
  16. 160
  17. 96
  18. 136
  19. 32
  20. 184
  21. 100
  22. 208
  23. 152
  24. 76
  25. 52
  26. 144
  27. 204
  28. 196
  29. 240
  30. 216
  31. 112
  32. 172
  33. 232
  34. 212
  35. 84
  36. 80
  37. 236
  38. 104
  39. 124
  40. 36

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