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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 660 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.52 × 4 =
  2. 2.11 × 4 =
  3. 3.28 × 4 =
  4. 4.54 × 4 =
  5. 5.39 × 4 =
  6. 6.24 × 4 =
  7. 7.17 × 4 =
  8. 8.8 × 4 =
  9. 9.23 × 4 =
  10. 10.51 × 4 =
  11. 11.6 × 4 =
  12. 12.12 × 4 =
  13. 13.33 × 4 =
  14. 14.9 × 4 =
  15. 15.21 × 4 =
  16. 16.27 × 4 =
  17. 17.13 × 4 =
  18. 18.16 × 4 =
  19. 19.41 × 4 =
  20. 20.36 × 4 =
  21. 21.31 × 4 =
  22. 22.55 × 4 =
  23. 23.56 × 4 =
  24. 24.42 × 4 =
  25. 25.49 × 4 =
  26. 26.43 × 4 =
  27. 27.10 × 4 =
  28. 28.47 × 4 =
  29. 29.19 × 4 =
  30. 30.25 × 4 =
  31. 31.34 × 4 =
  32. 32.7 × 4 =
  33. 33.32 × 4 =
  34. 34.14 × 4 =
  35. 35.44 × 4 =
  36. 36.18 × 4 =
  37. 37.40 × 4 =
  38. 38.53 × 4 =
  39. 39.57 × 4 =
  40. 40.58 × 4 =

Answer key

  1. 208
  2. 44
  3. 112
  4. 216
  5. 156
  6. 96
  7. 68
  8. 32
  9. 92
  10. 204
  11. 24
  12. 48
  13. 132
  14. 36
  15. 84
  16. 108
  17. 52
  18. 64
  19. 164
  20. 144
  21. 124
  22. 220
  23. 224
  24. 168
  25. 196
  26. 172
  27. 40
  28. 188
  29. 76
  30. 100
  31. 136
  32. 28
  33. 128
  34. 56
  35. 176
  36. 72
  37. 160
  38. 212
  39. 228
  40. 232

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