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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 620 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.30 × 4 =
  2. 2.55 × 4 =
  3. 3.58 × 4 =
  4. 4.8 × 4 =
  5. 5.16 × 4 =
  6. 6.33 × 4 =
  7. 7.42 × 4 =
  8. 8.25 × 4 =
  9. 9.60 × 4 =
  10. 10.24 × 4 =
  11. 11.32 × 4 =
  12. 12.48 × 4 =
  13. 13.34 × 4 =
  14. 14.22 × 4 =
  15. 15.53 × 4 =
  16. 16.39 × 4 =
  17. 17.59 × 4 =
  18. 18.15 × 4 =
  19. 19.23 × 4 =
  20. 20.13 × 4 =
  21. 21.12 × 4 =
  22. 22.10 × 4 =
  23. 23.21 × 4 =
  24. 24.19 × 4 =
  25. 25.28 × 4 =
  26. 26.14 × 4 =
  27. 27.54 × 4 =
  28. 28.46 × 4 =
  29. 29.38 × 4 =
  30. 30.45 × 4 =
  31. 31.40 × 4 =
  32. 32.6 × 4 =
  33. 33.26 × 4 =
  34. 34.36 × 4 =
  35. 35.41 × 4 =
  36. 36.44 × 4 =
  37. 37.29 × 4 =
  38. 38.18 × 4 =
  39. 39.50 × 4 =
  40. 40.31 × 4 =

Answer key

  1. 120
  2. 220
  3. 232
  4. 32
  5. 64
  6. 132
  7. 168
  8. 100
  9. 240
  10. 96
  11. 128
  12. 192
  13. 136
  14. 88
  15. 212
  16. 156
  17. 236
  18. 60
  19. 92
  20. 52
  21. 48
  22. 40
  23. 84
  24. 76
  25. 112
  26. 56
  27. 216
  28. 184
  29. 152
  30. 180
  31. 160
  32. 24
  33. 104
  34. 144
  35. 164
  36. 176
  37. 116
  38. 72
  39. 200
  40. 124

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