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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 622 · 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. 2.30 × 4 =
  3. 3.9 × 4 =
  4. 4.10 × 4 =
  5. 5.25 × 4 =
  6. 6.58 × 4 =
  7. 7.32 × 4 =
  8. 8.51 × 4 =
  9. 9.44 × 4 =
  10. 10.60 × 4 =
  11. 11.14 × 4 =
  12. 12.38 × 4 =
  13. 13.40 × 4 =
  14. 14.16 × 4 =
  15. 15.42 × 4 =
  16. 16.15 × 4 =
  17. 17.50 × 4 =
  18. 18.49 × 4 =
  19. 19.52 × 4 =
  20. 20.59 × 4 =
  21. 21.53 × 4 =
  22. 22.8 × 4 =
  23. 23.43 × 4 =
  24. 24.23 × 4 =
  25. 25.35 × 4 =
  26. 26.7 × 4 =
  27. 27.12 × 4 =
  28. 28.17 × 4 =
  29. 29.24 × 4 =
  30. 30.36 × 4 =
  31. 31.37 × 4 =
  32. 32.13 × 4 =
  33. 33.29 × 4 =
  34. 34.47 × 4 =
  35. 35.27 × 4 =
  36. 36.28 × 4 =
  37. 37.20 × 4 =
  38. 38.55 × 4 =
  39. 39.6 × 4 =
  40. 40.48 × 4 =

Answer key

  1. 44
  2. 120
  3. 36
  4. 40
  5. 100
  6. 232
  7. 128
  8. 204
  9. 176
  10. 240
  11. 56
  12. 152
  13. 160
  14. 64
  15. 168
  16. 60
  17. 200
  18. 196
  19. 208
  20. 236
  21. 212
  22. 32
  23. 172
  24. 92
  25. 140
  26. 28
  27. 48
  28. 68
  29. 96
  30. 144
  31. 148
  32. 52
  33. 116
  34. 188
  35. 108
  36. 112
  37. 80
  38. 220
  39. 24
  40. 192

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