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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 500 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.51 × 4 =
  2. 2.11 × 4 =
  3. 3.8 × 4 =
  4. 4.12 × 4 =
  5. 5.6 × 4 =
  6. 6.60 × 4 =
  7. 7.52 × 4 =
  8. 8.24 × 4 =
  9. 9.28 × 4 =
  10. 10.30 × 4 =
  11. 11.36 × 4 =
  12. 12.35 × 4 =
  13. 13.23 × 4 =
  14. 14.44 × 4 =
  15. 15.31 × 4 =
  16. 16.27 × 4 =
  17. 17.18 × 4 =
  18. 18.33 × 4 =
  19. 19.22 × 4 =
  20. 20.14 × 4 =
  21. 21.34 × 4 =
  22. 22.32 × 4 =
  23. 23.45 × 4 =
  24. 24.16 × 4 =
  25. 25.29 × 4 =
  26. 26.9 × 4 =
  27. 27.17 × 4 =
  28. 28.55 × 4 =
  29. 29.41 × 4 =
  30. 30.37 × 4 =
  31. 31.58 × 4 =
  32. 32.49 × 4 =
  33. 33.15 × 4 =
  34. 34.56 × 4 =
  35. 35.21 × 4 =
  36. 36.26 × 4 =
  37. 37.57 × 4 =
  38. 38.25 × 4 =
  39. 39.47 × 4 =
  40. 40.38 × 4 =

Answer key

  1. 204
  2. 44
  3. 32
  4. 48
  5. 24
  6. 240
  7. 208
  8. 96
  9. 112
  10. 120
  11. 144
  12. 140
  13. 92
  14. 176
  15. 124
  16. 108
  17. 72
  18. 132
  19. 88
  20. 56
  21. 136
  22. 128
  23. 180
  24. 64
  25. 116
  26. 36
  27. 68
  28. 220
  29. 164
  30. 148
  31. 232
  32. 196
  33. 60
  34. 224
  35. 84
  36. 104
  37. 228
  38. 100
  39. 188
  40. 152

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