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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 193 · 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. 2.57 × 4 =
  3. 3.56 × 4 =
  4. 4.54 × 4 =
  5. 5.59 × 4 =
  6. 6.53 × 4 =
  7. 7.22 × 4 =
  8. 8.14 × 4 =
  9. 9.19 × 4 =
  10. 10.43 × 4 =
  11. 11.38 × 4 =
  12. 12.51 × 4 =
  13. 13.44 × 4 =
  14. 14.15 × 4 =
  15. 15.13 × 4 =
  16. 16.45 × 4 =
  17. 17.52 × 4 =
  18. 18.39 × 4 =
  19. 19.10 × 4 =
  20. 20.42 × 4 =
  21. 21.12 × 4 =
  22. 22.49 × 4 =
  23. 23.47 × 4 =
  24. 24.16 × 4 =
  25. 25.24 × 4 =
  26. 26.6 × 4 =
  27. 27.41 × 4 =
  28. 28.9 × 4 =
  29. 29.32 × 4 =
  30. 30.26 × 4 =
  31. 31.46 × 4 =
  32. 32.7 × 4 =
  33. 33.11 × 4 =
  34. 34.30 × 4 =
  35. 35.36 × 4 =
  36. 36.37 × 4 =
  37. 37.29 × 4 =
  38. 38.25 × 4 =
  39. 39.48 × 4 =
  40. 40.17 × 4 =

Answer key

  1. 84
  2. 228
  3. 224
  4. 216
  5. 236
  6. 212
  7. 88
  8. 56
  9. 76
  10. 172
  11. 152
  12. 204
  13. 176
  14. 60
  15. 52
  16. 180
  17. 208
  18. 156
  19. 40
  20. 168
  21. 48
  22. 196
  23. 188
  24. 64
  25. 96
  26. 24
  27. 164
  28. 36
  29. 128
  30. 104
  31. 184
  32. 28
  33. 44
  34. 120
  35. 144
  36. 148
  37. 116
  38. 100
  39. 192
  40. 68

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