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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 645 · 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. 2.19 × 4 =
  3. 3.21 × 4 =
  4. 4.31 × 4 =
  5. 5.49 × 4 =
  6. 6.8 × 4 =
  7. 7.7 × 4 =
  8. 8.11 × 4 =
  9. 9.37 × 4 =
  10. 10.45 × 4 =
  11. 11.14 × 4 =
  12. 12.30 × 4 =
  13. 13.59 × 4 =
  14. 14.16 × 4 =
  15. 15.43 × 4 =
  16. 16.23 × 4 =
  17. 17.46 × 4 =
  18. 18.39 × 4 =
  19. 19.44 × 4 =
  20. 20.6 × 4 =
  21. 21.35 × 4 =
  22. 22.25 × 4 =
  23. 23.53 × 4 =
  24. 24.40 × 4 =
  25. 25.52 × 4 =
  26. 26.13 × 4 =
  27. 27.12 × 4 =
  28. 28.22 × 4 =
  29. 29.27 × 4 =
  30. 30.34 × 4 =
  31. 31.33 × 4 =
  32. 32.32 × 4 =
  33. 33.20 × 4 =
  34. 34.42 × 4 =
  35. 35.38 × 4 =
  36. 36.54 × 4 =
  37. 37.28 × 4 =
  38. 38.60 × 4 =
  39. 39.56 × 4 =
  40. 40.36 × 4 =

Answer key

  1. 68
  2. 76
  3. 84
  4. 124
  5. 196
  6. 32
  7. 28
  8. 44
  9. 148
  10. 180
  11. 56
  12. 120
  13. 236
  14. 64
  15. 172
  16. 92
  17. 184
  18. 156
  19. 176
  20. 24
  21. 140
  22. 100
  23. 212
  24. 160
  25. 208
  26. 52
  27. 48
  28. 88
  29. 108
  30. 136
  31. 132
  32. 128
  33. 80
  34. 168
  35. 152
  36. 216
  37. 112
  38. 240
  39. 224
  40. 144

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