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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 916 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.25 × 4 =
  2. 2.10 × 4 =
  3. 3.57 × 4 =
  4. 4.59 × 4 =
  5. 5.6 × 4 =
  6. 6.13 × 4 =
  7. 7.47 × 4 =
  8. 8.11 × 4 =
  9. 9.23 × 4 =
  10. 10.40 × 4 =
  11. 11.56 × 4 =
  12. 12.51 × 4 =
  13. 13.16 × 4 =
  14. 14.15 × 4 =
  15. 15.38 × 4 =
  16. 16.7 × 4 =
  17. 17.19 × 4 =
  18. 18.29 × 4 =
  19. 19.42 × 4 =
  20. 20.37 × 4 =
  21. 21.18 × 4 =
  22. 22.27 × 4 =
  23. 23.39 × 4 =
  24. 24.22 × 4 =
  25. 25.52 × 4 =
  26. 26.44 × 4 =
  27. 27.12 × 4 =
  28. 28.31 × 4 =
  29. 29.50 × 4 =
  30. 30.34 × 4 =
  31. 31.17 × 4 =
  32. 32.26 × 4 =
  33. 33.33 × 4 =
  34. 34.9 × 4 =
  35. 35.32 × 4 =
  36. 36.43 × 4 =
  37. 37.24 × 4 =
  38. 38.35 × 4 =
  39. 39.30 × 4 =
  40. 40.8 × 4 =

Answer key

  1. 100
  2. 40
  3. 228
  4. 236
  5. 24
  6. 52
  7. 188
  8. 44
  9. 92
  10. 160
  11. 224
  12. 204
  13. 64
  14. 60
  15. 152
  16. 28
  17. 76
  18. 116
  19. 168
  20. 148
  21. 72
  22. 108
  23. 156
  24. 88
  25. 208
  26. 176
  27. 48
  28. 124
  29. 200
  30. 136
  31. 68
  32. 104
  33. 132
  34. 36
  35. 128
  36. 172
  37. 96
  38. 140
  39. 120
  40. 32

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