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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 366 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.38 × 4 =
  2. 2.14 × 4 =
  3. 3.45 × 4 =
  4. 4.12 × 4 =
  5. 5.59 × 4 =
  6. 6.8 × 4 =
  7. 7.15 × 4 =
  8. 8.55 × 4 =
  9. 9.23 × 4 =
  10. 10.54 × 4 =
  11. 11.11 × 4 =
  12. 12.29 × 4 =
  13. 13.48 × 4 =
  14. 14.21 × 4 =
  15. 15.57 × 4 =
  16. 16.10 × 4 =
  17. 17.41 × 4 =
  18. 18.42 × 4 =
  19. 19.6 × 4 =
  20. 20.51 × 4 =
  21. 21.60 × 4 =
  22. 22.33 × 4 =
  23. 23.47 × 4 =
  24. 24.13 × 4 =
  25. 25.19 × 4 =
  26. 26.32 × 4 =
  27. 27.18 × 4 =
  28. 28.26 × 4 =
  29. 29.49 × 4 =
  30. 30.58 × 4 =
  31. 31.35 × 4 =
  32. 32.22 × 4 =
  33. 33.16 × 4 =
  34. 34.52 × 4 =
  35. 35.31 × 4 =
  36. 36.30 × 4 =
  37. 37.7 × 4 =
  38. 38.40 × 4 =
  39. 39.56 × 4 =
  40. 40.43 × 4 =

Answer key

  1. 152
  2. 56
  3. 180
  4. 48
  5. 236
  6. 32
  7. 60
  8. 220
  9. 92
  10. 216
  11. 44
  12. 116
  13. 192
  14. 84
  15. 228
  16. 40
  17. 164
  18. 168
  19. 24
  20. 204
  21. 240
  22. 132
  23. 188
  24. 52
  25. 76
  26. 128
  27. 72
  28. 104
  29. 196
  30. 232
  31. 140
  32. 88
  33. 64
  34. 208
  35. 124
  36. 120
  37. 28
  38. 160
  39. 224
  40. 172

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