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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 975 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.26 × 4 =
  2. 2.59 × 4 =
  3. 3.54 × 4 =
  4. 4.36 × 4 =
  5. 5.43 × 4 =
  6. 6.42 × 4 =
  7. 7.51 × 4 =
  8. 8.33 × 4 =
  9. 9.21 × 4 =
  10. 10.17 × 4 =
  11. 11.25 × 4 =
  12. 12.20 × 4 =
  13. 13.34 × 4 =
  14. 14.60 × 4 =
  15. 15.37 × 4 =
  16. 16.32 × 4 =
  17. 17.35 × 4 =
  18. 18.27 × 4 =
  19. 19.16 × 4 =
  20. 20.55 × 4 =
  21. 21.40 × 4 =
  22. 22.50 × 4 =
  23. 23.11 × 4 =
  24. 24.45 × 4 =
  25. 25.7 × 4 =
  26. 26.18 × 4 =
  27. 27.14 × 4 =
  28. 28.31 × 4 =
  29. 29.19 × 4 =
  30. 30.52 × 4 =
  31. 31.10 × 4 =
  32. 32.29 × 4 =
  33. 33.41 × 4 =
  34. 34.22 × 4 =
  35. 35.44 × 4 =
  36. 36.30 × 4 =
  37. 37.48 × 4 =
  38. 38.38 × 4 =
  39. 39.9 × 4 =
  40. 40.46 × 4 =

Answer key

  1. 104
  2. 236
  3. 216
  4. 144
  5. 172
  6. 168
  7. 204
  8. 132
  9. 84
  10. 68
  11. 100
  12. 80
  13. 136
  14. 240
  15. 148
  16. 128
  17. 140
  18. 108
  19. 64
  20. 220
  21. 160
  22. 200
  23. 44
  24. 180
  25. 28
  26. 72
  27. 56
  28. 124
  29. 76
  30. 208
  31. 40
  32. 116
  33. 164
  34. 88
  35. 176
  36. 120
  37. 192
  38. 152
  39. 36
  40. 184

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