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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 360 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.9 × 4 =
  2. 2.55 × 4 =
  3. 3.6 × 4 =
  4. 4.49 × 4 =
  5. 5.8 × 4 =
  6. 6.35 × 4 =
  7. 7.60 × 4 =
  8. 8.29 × 4 =
  9. 9.48 × 4 =
  10. 10.37 × 4 =
  11. 11.26 × 4 =
  12. 12.38 × 4 =
  13. 13.11 × 4 =
  14. 14.21 × 4 =
  15. 15.41 × 4 =
  16. 16.44 × 4 =
  17. 17.30 × 4 =
  18. 18.14 × 4 =
  19. 19.19 × 4 =
  20. 20.16 × 4 =
  21. 21.15 × 4 =
  22. 22.33 × 4 =
  23. 23.39 × 4 =
  24. 24.46 × 4 =
  25. 25.22 × 4 =
  26. 26.31 × 4 =
  27. 27.23 × 4 =
  28. 28.10 × 4 =
  29. 29.7 × 4 =
  30. 30.28 × 4 =
  31. 31.56 × 4 =
  32. 32.58 × 4 =
  33. 33.13 × 4 =
  34. 34.50 × 4 =
  35. 35.45 × 4 =
  36. 36.51 × 4 =
  37. 37.54 × 4 =
  38. 38.34 × 4 =
  39. 39.59 × 4 =
  40. 40.43 × 4 =

Answer key

  1. 36
  2. 220
  3. 24
  4. 196
  5. 32
  6. 140
  7. 240
  8. 116
  9. 192
  10. 148
  11. 104
  12. 152
  13. 44
  14. 84
  15. 164
  16. 176
  17. 120
  18. 56
  19. 76
  20. 64
  21. 60
  22. 132
  23. 156
  24. 184
  25. 88
  26. 124
  27. 92
  28. 40
  29. 28
  30. 112
  31. 224
  32. 232
  33. 52
  34. 200
  35. 180
  36. 204
  37. 216
  38. 136
  39. 236
  40. 172

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