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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 341 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.17 × 4 =
  2. 2.20 × 4 =
  3. 3.44 × 4 =
  4. 4.28 × 4 =
  5. 5.40 × 4 =
  6. 6.19 × 4 =
  7. 7.23 × 4 =
  8. 8.33 × 4 =
  9. 9.60 × 4 =
  10. 10.13 × 4 =
  11. 11.34 × 4 =
  12. 12.56 × 4 =
  13. 13.7 × 4 =
  14. 14.59 × 4 =
  15. 15.36 × 4 =
  16. 16.6 × 4 =
  17. 17.11 × 4 =
  18. 18.52 × 4 =
  19. 19.26 × 4 =
  20. 20.57 × 4 =
  21. 21.25 × 4 =
  22. 22.22 × 4 =
  23. 23.54 × 4 =
  24. 24.27 × 4 =
  25. 25.35 × 4 =
  26. 26.39 × 4 =
  27. 27.14 × 4 =
  28. 28.45 × 4 =
  29. 29.32 × 4 =
  30. 30.47 × 4 =
  31. 31.10 × 4 =
  32. 32.29 × 4 =
  33. 33.55 × 4 =
  34. 34.16 × 4 =
  35. 35.30 × 4 =
  36. 36.24 × 4 =
  37. 37.38 × 4 =
  38. 38.48 × 4 =
  39. 39.43 × 4 =
  40. 40.46 × 4 =

Answer key

  1. 68
  2. 80
  3. 176
  4. 112
  5. 160
  6. 76
  7. 92
  8. 132
  9. 240
  10. 52
  11. 136
  12. 224
  13. 28
  14. 236
  15. 144
  16. 24
  17. 44
  18. 208
  19. 104
  20. 228
  21. 100
  22. 88
  23. 216
  24. 108
  25. 140
  26. 156
  27. 56
  28. 180
  29. 128
  30. 188
  31. 40
  32. 116
  33. 220
  34. 64
  35. 120
  36. 96
  37. 152
  38. 192
  39. 172
  40. 184

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