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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 882 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.16 × 4 =
  2. 2.22 × 4 =
  3. 3.18 × 4 =
  4. 4.30 × 4 =
  5. 5.35 × 4 =
  6. 6.45 × 4 =
  7. 7.57 × 4 =
  8. 8.21 × 4 =
  9. 9.34 × 4 =
  10. 10.12 × 4 =
  11. 11.31 × 4 =
  12. 12.39 × 4 =
  13. 13.6 × 4 =
  14. 14.52 × 4 =
  15. 15.58 × 4 =
  16. 16.55 × 4 =
  17. 17.14 × 4 =
  18. 18.37 × 4 =
  19. 19.23 × 4 =
  20. 20.51 × 4 =
  21. 21.11 × 4 =
  22. 22.24 × 4 =
  23. 23.32 × 4 =
  24. 24.54 × 4 =
  25. 25.36 × 4 =
  26. 26.9 × 4 =
  27. 27.17 × 4 =
  28. 28.56 × 4 =
  29. 29.40 × 4 =
  30. 30.48 × 4 =
  31. 31.60 × 4 =
  32. 32.27 × 4 =
  33. 33.43 × 4 =
  34. 34.20 × 4 =
  35. 35.13 × 4 =
  36. 36.42 × 4 =
  37. 37.25 × 4 =
  38. 38.7 × 4 =
  39. 39.19 × 4 =
  40. 40.29 × 4 =

Answer key

  1. 64
  2. 88
  3. 72
  4. 120
  5. 140
  6. 180
  7. 228
  8. 84
  9. 136
  10. 48
  11. 124
  12. 156
  13. 24
  14. 208
  15. 232
  16. 220
  17. 56
  18. 148
  19. 92
  20. 204
  21. 44
  22. 96
  23. 128
  24. 216
  25. 144
  26. 36
  27. 68
  28. 224
  29. 160
  30. 192
  31. 240
  32. 108
  33. 172
  34. 80
  35. 52
  36. 168
  37. 100
  38. 28
  39. 76
  40. 116

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