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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 246 · 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. 2.49 × 4 =
  3. 3.10 × 4 =
  4. 4.13 × 4 =
  5. 5.6 × 4 =
  6. 6.52 × 4 =
  7. 7.34 × 4 =
  8. 8.9 × 4 =
  9. 9.48 × 4 =
  10. 10.41 × 4 =
  11. 11.15 × 4 =
  12. 12.29 × 4 =
  13. 13.20 × 4 =
  14. 14.16 × 4 =
  15. 15.21 × 4 =
  16. 16.31 × 4 =
  17. 17.11 × 4 =
  18. 18.57 × 4 =
  19. 19.23 × 4 =
  20. 20.14 × 4 =
  21. 21.26 × 4 =
  22. 22.39 × 4 =
  23. 23.7 × 4 =
  24. 24.46 × 4 =
  25. 25.56 × 4 =
  26. 26.44 × 4 =
  27. 27.19 × 4 =
  28. 28.60 × 4 =
  29. 29.43 × 4 =
  30. 30.58 × 4 =
  31. 31.50 × 4 =
  32. 32.54 × 4 =
  33. 33.22 × 4 =
  34. 34.32 × 4 =
  35. 35.17 × 4 =
  36. 36.27 × 4 =
  37. 37.42 × 4 =
  38. 38.47 × 4 =
  39. 39.33 × 4 =
  40. 40.8 × 4 =

Answer key

  1. 100
  2. 196
  3. 40
  4. 52
  5. 24
  6. 208
  7. 136
  8. 36
  9. 192
  10. 164
  11. 60
  12. 116
  13. 80
  14. 64
  15. 84
  16. 124
  17. 44
  18. 228
  19. 92
  20. 56
  21. 104
  22. 156
  23. 28
  24. 184
  25. 224
  26. 176
  27. 76
  28. 240
  29. 172
  30. 232
  31. 200
  32. 216
  33. 88
  34. 128
  35. 68
  36. 108
  37. 168
  38. 188
  39. 132
  40. 32

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