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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 778 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.9 × 4 =
  2. 2.16 × 4 =
  3. 3.40 × 4 =
  4. 4.47 × 4 =
  5. 5.19 × 4 =
  6. 6.21 × 4 =
  7. 7.14 × 4 =
  8. 8.28 × 4 =
  9. 9.52 × 4 =
  10. 10.41 × 4 =
  11. 11.32 × 4 =
  12. 12.31 × 4 =
  13. 13.45 × 4 =
  14. 14.44 × 4 =
  15. 15.58 × 4 =
  16. 16.22 × 4 =
  17. 17.51 × 4 =
  18. 18.53 × 4 =
  19. 19.10 × 4 =
  20. 20.54 × 4 =
  21. 21.59 × 4 =
  22. 22.23 × 4 =
  23. 23.24 × 4 =
  24. 24.36 × 4 =
  25. 25.27 × 4 =
  26. 26.35 × 4 =
  27. 27.43 × 4 =
  28. 28.37 × 4 =
  29. 29.25 × 4 =
  30. 30.42 × 4 =
  31. 31.8 × 4 =
  32. 32.7 × 4 =
  33. 33.18 × 4 =
  34. 34.30 × 4 =
  35. 35.20 × 4 =
  36. 36.15 × 4 =
  37. 37.17 × 4 =
  38. 38.34 × 4 =
  39. 39.48 × 4 =
  40. 40.13 × 4 =

Answer key

  1. 36
  2. 64
  3. 160
  4. 188
  5. 76
  6. 84
  7. 56
  8. 112
  9. 208
  10. 164
  11. 128
  12. 124
  13. 180
  14. 176
  15. 232
  16. 88
  17. 204
  18. 212
  19. 40
  20. 216
  21. 236
  22. 92
  23. 96
  24. 144
  25. 108
  26. 140
  27. 172
  28. 148
  29. 100
  30. 168
  31. 32
  32. 28
  33. 72
  34. 120
  35. 80
  36. 60
  37. 68
  38. 136
  39. 192
  40. 52

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