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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 60 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.46 × 4 =
  2. 2.56 × 4 =
  3. 3.60 × 4 =
  4. 4.14 × 4 =
  5. 5.18 × 4 =
  6. 6.48 × 4 =
  7. 7.17 × 4 =
  8. 8.19 × 4 =
  9. 9.31 × 4 =
  10. 10.21 × 4 =
  11. 11.6 × 4 =
  12. 12.30 × 4 =
  13. 13.52 × 4 =
  14. 14.29 × 4 =
  15. 15.10 × 4 =
  16. 16.43 × 4 =
  17. 17.58 × 4 =
  18. 18.37 × 4 =
  19. 19.47 × 4 =
  20. 20.33 × 4 =
  21. 21.27 × 4 =
  22. 22.45 × 4 =
  23. 23.55 × 4 =
  24. 24.20 × 4 =
  25. 25.24 × 4 =
  26. 26.7 × 4 =
  27. 27.38 × 4 =
  28. 28.57 × 4 =
  29. 29.40 × 4 =
  30. 30.51 × 4 =
  31. 31.11 × 4 =
  32. 32.12 × 4 =
  33. 33.9 × 4 =
  34. 34.32 × 4 =
  35. 35.22 × 4 =
  36. 36.35 × 4 =
  37. 37.25 × 4 =
  38. 38.59 × 4 =
  39. 39.8 × 4 =
  40. 40.34 × 4 =

Answer key

  1. 184
  2. 224
  3. 240
  4. 56
  5. 72
  6. 192
  7. 68
  8. 76
  9. 124
  10. 84
  11. 24
  12. 120
  13. 208
  14. 116
  15. 40
  16. 172
  17. 232
  18. 148
  19. 188
  20. 132
  21. 108
  22. 180
  23. 220
  24. 80
  25. 96
  26. 28
  27. 152
  28. 228
  29. 160
  30. 204
  31. 44
  32. 48
  33. 36
  34. 128
  35. 88
  36. 140
  37. 100
  38. 236
  39. 32
  40. 136

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