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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 843 · 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. 2.23 × 4 =
  3. 3.21 × 4 =
  4. 4.35 × 4 =
  5. 5.34 × 4 =
  6. 6.44 × 4 =
  7. 7.32 × 4 =
  8. 8.26 × 4 =
  9. 9.42 × 4 =
  10. 10.36 × 4 =
  11. 11.20 × 4 =
  12. 12.57 × 4 =
  13. 13.18 × 4 =
  14. 14.13 × 4 =
  15. 15.7 × 4 =
  16. 16.50 × 4 =
  17. 17.45 × 4 =
  18. 18.43 × 4 =
  19. 19.60 × 4 =
  20. 20.54 × 4 =
  21. 21.14 × 4 =
  22. 22.51 × 4 =
  23. 23.49 × 4 =
  24. 24.17 × 4 =
  25. 25.16 × 4 =
  26. 26.56 × 4 =
  27. 27.27 × 4 =
  28. 28.58 × 4 =
  29. 29.33 × 4 =
  30. 30.31 × 4 =
  31. 31.28 × 4 =
  32. 32.46 × 4 =
  33. 33.15 × 4 =
  34. 34.9 × 4 =
  35. 35.6 × 4 =
  36. 36.48 × 4 =
  37. 37.10 × 4 =
  38. 38.25 × 4 =
  39. 39.40 × 4 =
  40. 40.39 × 4 =

Answer key

  1. 44
  2. 92
  3. 84
  4. 140
  5. 136
  6. 176
  7. 128
  8. 104
  9. 168
  10. 144
  11. 80
  12. 228
  13. 72
  14. 52
  15. 28
  16. 200
  17. 180
  18. 172
  19. 240
  20. 216
  21. 56
  22. 204
  23. 196
  24. 68
  25. 64
  26. 224
  27. 108
  28. 232
  29. 132
  30. 124
  31. 112
  32. 184
  33. 60
  34. 36
  35. 24
  36. 192
  37. 40
  38. 100
  39. 160
  40. 156

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