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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 228 · 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. 2.16 × 4 =
  3. 3.57 × 4 =
  4. 4.17 × 4 =
  5. 5.21 × 4 =
  6. 6.60 × 4 =
  7. 7.12 × 4 =
  8. 8.37 × 4 =
  9. 9.29 × 4 =
  10. 10.32 × 4 =
  11. 11.24 × 4 =
  12. 12.27 × 4 =
  13. 13.20 × 4 =
  14. 14.26 × 4 =
  15. 15.38 × 4 =
  16. 16.52 × 4 =
  17. 17.19 × 4 =
  18. 18.13 × 4 =
  19. 19.44 × 4 =
  20. 20.11 × 4 =
  21. 21.10 × 4 =
  22. 22.8 × 4 =
  23. 23.18 × 4 =
  24. 24.40 × 4 =
  25. 25.7 × 4 =
  26. 26.42 × 4 =
  27. 27.55 × 4 =
  28. 28.56 × 4 =
  29. 29.9 × 4 =
  30. 30.43 × 4 =
  31. 31.58 × 4 =
  32. 32.30 × 4 =
  33. 33.39 × 4 =
  34. 34.47 × 4 =
  35. 35.48 × 4 =
  36. 36.46 × 4 =
  37. 37.14 × 4 =
  38. 38.28 × 4 =
  39. 39.6 × 4 =
  40. 40.34 × 4 =

Answer key

  1. 100
  2. 64
  3. 228
  4. 68
  5. 84
  6. 240
  7. 48
  8. 148
  9. 116
  10. 128
  11. 96
  12. 108
  13. 80
  14. 104
  15. 152
  16. 208
  17. 76
  18. 52
  19. 176
  20. 44
  21. 40
  22. 32
  23. 72
  24. 160
  25. 28
  26. 168
  27. 220
  28. 224
  29. 36
  30. 172
  31. 232
  32. 120
  33. 156
  34. 188
  35. 192
  36. 184
  37. 56
  38. 112
  39. 24
  40. 136

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