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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 946 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.39 × 4 =
  2. 2.17 × 4 =
  3. 3.38 × 4 =
  4. 4.33 × 4 =
  5. 5.36 × 4 =
  6. 6.52 × 4 =
  7. 7.35 × 4 =
  8. 8.23 × 4 =
  9. 9.6 × 4 =
  10. 10.31 × 4 =
  11. 11.42 × 4 =
  12. 12.10 × 4 =
  13. 13.29 × 4 =
  14. 14.26 × 4 =
  15. 15.37 × 4 =
  16. 16.50 × 4 =
  17. 17.19 × 4 =
  18. 18.21 × 4 =
  19. 19.15 × 4 =
  20. 20.11 × 4 =
  21. 21.9 × 4 =
  22. 22.60 × 4 =
  23. 23.16 × 4 =
  24. 24.59 × 4 =
  25. 25.46 × 4 =
  26. 26.30 × 4 =
  27. 27.54 × 4 =
  28. 28.48 × 4 =
  29. 29.7 × 4 =
  30. 30.24 × 4 =
  31. 31.40 × 4 =
  32. 32.18 × 4 =
  33. 33.45 × 4 =
  34. 34.14 × 4 =
  35. 35.27 × 4 =
  36. 36.34 × 4 =
  37. 37.28 × 4 =
  38. 38.12 × 4 =
  39. 39.25 × 4 =
  40. 40.55 × 4 =

Answer key

  1. 156
  2. 68
  3. 152
  4. 132
  5. 144
  6. 208
  7. 140
  8. 92
  9. 24
  10. 124
  11. 168
  12. 40
  13. 116
  14. 104
  15. 148
  16. 200
  17. 76
  18. 84
  19. 60
  20. 44
  21. 36
  22. 240
  23. 64
  24. 236
  25. 184
  26. 120
  27. 216
  28. 192
  29. 28
  30. 96
  31. 160
  32. 72
  33. 180
  34. 56
  35. 108
  36. 136
  37. 112
  38. 48
  39. 100
  40. 220

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