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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 725 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.21 × 4 =
  2. 2.8 × 4 =
  3. 3.9 × 4 =
  4. 4.29 × 4 =
  5. 5.7 × 4 =
  6. 6.19 × 4 =
  7. 7.32 × 4 =
  8. 8.43 × 4 =
  9. 9.44 × 4 =
  10. 10.11 × 4 =
  11. 11.31 × 4 =
  12. 12.49 × 4 =
  13. 13.26 × 4 =
  14. 14.38 × 4 =
  15. 15.30 × 4 =
  16. 16.6 × 4 =
  17. 17.13 × 4 =
  18. 18.46 × 4 =
  19. 19.36 × 4 =
  20. 20.14 × 4 =
  21. 21.56 × 4 =
  22. 22.33 × 4 =
  23. 23.48 × 4 =
  24. 24.45 × 4 =
  25. 25.24 × 4 =
  26. 26.25 × 4 =
  27. 27.16 × 4 =
  28. 28.54 × 4 =
  29. 29.27 × 4 =
  30. 30.60 × 4 =
  31. 31.42 × 4 =
  32. 32.10 × 4 =
  33. 33.17 × 4 =
  34. 34.23 × 4 =
  35. 35.58 × 4 =
  36. 36.52 × 4 =
  37. 37.55 × 4 =
  38. 38.39 × 4 =
  39. 39.20 × 4 =
  40. 40.57 × 4 =

Answer key

  1. 84
  2. 32
  3. 36
  4. 116
  5. 28
  6. 76
  7. 128
  8. 172
  9. 176
  10. 44
  11. 124
  12. 196
  13. 104
  14. 152
  15. 120
  16. 24
  17. 52
  18. 184
  19. 144
  20. 56
  21. 224
  22. 132
  23. 192
  24. 180
  25. 96
  26. 100
  27. 64
  28. 216
  29. 108
  30. 240
  31. 168
  32. 40
  33. 68
  34. 92
  35. 232
  36. 208
  37. 220
  38. 156
  39. 80
  40. 228

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