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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 842 · 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. 2.16 × 4 =
  3. 3.55 × 4 =
  4. 4.9 × 4 =
  5. 5.11 × 4 =
  6. 6.51 × 4 =
  7. 7.37 × 4 =
  8. 8.38 × 4 =
  9. 9.8 × 4 =
  10. 10.27 × 4 =
  11. 11.19 × 4 =
  12. 12.50 × 4 =
  13. 13.29 × 4 =
  14. 14.24 × 4 =
  15. 15.42 × 4 =
  16. 16.7 × 4 =
  17. 17.44 × 4 =
  18. 18.13 × 4 =
  19. 19.14 × 4 =
  20. 20.39 × 4 =
  21. 21.40 × 4 =
  22. 22.58 × 4 =
  23. 23.53 × 4 =
  24. 24.18 × 4 =
  25. 25.6 × 4 =
  26. 26.57 × 4 =
  27. 27.33 × 4 =
  28. 28.35 × 4 =
  29. 29.28 × 4 =
  30. 30.26 × 4 =
  31. 31.43 × 4 =
  32. 32.36 × 4 =
  33. 33.60 × 4 =
  34. 34.10 × 4 =
  35. 35.30 × 4 =
  36. 36.54 × 4 =
  37. 37.46 × 4 =
  38. 38.49 × 4 =
  39. 39.22 × 4 =
  40. 40.32 × 4 =

Answer key

  1. 68
  2. 64
  3. 220
  4. 36
  5. 44
  6. 204
  7. 148
  8. 152
  9. 32
  10. 108
  11. 76
  12. 200
  13. 116
  14. 96
  15. 168
  16. 28
  17. 176
  18. 52
  19. 56
  20. 156
  21. 160
  22. 232
  23. 212
  24. 72
  25. 24
  26. 228
  27. 132
  28. 140
  29. 112
  30. 104
  31. 172
  32. 144
  33. 240
  34. 40
  35. 120
  36. 216
  37. 184
  38. 196
  39. 88
  40. 128

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