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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 861 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.53 × 4 =
  2. 2.23 × 4 =
  3. 3.55 × 4 =
  4. 4.47 × 4 =
  5. 5.12 × 4 =
  6. 6.19 × 4 =
  7. 7.21 × 4 =
  8. 8.60 × 4 =
  9. 9.35 × 4 =
  10. 10.17 × 4 =
  11. 11.22 × 4 =
  12. 12.57 × 4 =
  13. 13.20 × 4 =
  14. 14.44 × 4 =
  15. 15.25 × 4 =
  16. 16.7 × 4 =
  17. 17.37 × 4 =
  18. 18.56 × 4 =
  19. 19.29 × 4 =
  20. 20.49 × 4 =
  21. 21.31 × 4 =
  22. 22.8 × 4 =
  23. 23.48 × 4 =
  24. 24.11 × 4 =
  25. 25.13 × 4 =
  26. 26.27 × 4 =
  27. 27.46 × 4 =
  28. 28.10 × 4 =
  29. 29.24 × 4 =
  30. 30.16 × 4 =
  31. 31.34 × 4 =
  32. 32.38 × 4 =
  33. 33.59 × 4 =
  34. 34.14 × 4 =
  35. 35.18 × 4 =
  36. 36.33 × 4 =
  37. 37.15 × 4 =
  38. 38.51 × 4 =
  39. 39.6 × 4 =
  40. 40.30 × 4 =

Answer key

  1. 212
  2. 92
  3. 220
  4. 188
  5. 48
  6. 76
  7. 84
  8. 240
  9. 140
  10. 68
  11. 88
  12. 228
  13. 80
  14. 176
  15. 100
  16. 28
  17. 148
  18. 224
  19. 116
  20. 196
  21. 124
  22. 32
  23. 192
  24. 44
  25. 52
  26. 108
  27. 184
  28. 40
  29. 96
  30. 64
  31. 136
  32. 152
  33. 236
  34. 56
  35. 72
  36. 132
  37. 60
  38. 204
  39. 24
  40. 120

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