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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 983 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.55 × 4 =
  2. 2.15 × 4 =
  3. 3.29 × 4 =
  4. 4.53 × 4 =
  5. 5.45 × 4 =
  6. 6.12 × 4 =
  7. 7.10 × 4 =
  8. 8.11 × 4 =
  9. 9.13 × 4 =
  10. 10.16 × 4 =
  11. 11.26 × 4 =
  12. 12.37 × 4 =
  13. 13.57 × 4 =
  14. 14.21 × 4 =
  15. 15.14 × 4 =
  16. 16.6 × 4 =
  17. 17.38 × 4 =
  18. 18.40 × 4 =
  19. 19.28 × 4 =
  20. 20.47 × 4 =
  21. 21.48 × 4 =
  22. 22.51 × 4 =
  23. 23.25 × 4 =
  24. 24.50 × 4 =
  25. 25.60 × 4 =
  26. 26.27 × 4 =
  27. 27.32 × 4 =
  28. 28.59 × 4 =
  29. 29.42 × 4 =
  30. 30.17 × 4 =
  31. 31.23 × 4 =
  32. 32.8 × 4 =
  33. 33.39 × 4 =
  34. 34.22 × 4 =
  35. 35.44 × 4 =
  36. 36.41 × 4 =
  37. 37.9 × 4 =
  38. 38.20 × 4 =
  39. 39.58 × 4 =
  40. 40.52 × 4 =

Answer key

  1. 220
  2. 60
  3. 116
  4. 212
  5. 180
  6. 48
  7. 40
  8. 44
  9. 52
  10. 64
  11. 104
  12. 148
  13. 228
  14. 84
  15. 56
  16. 24
  17. 152
  18. 160
  19. 112
  20. 188
  21. 192
  22. 204
  23. 100
  24. 200
  25. 240
  26. 108
  27. 128
  28. 236
  29. 168
  30. 68
  31. 92
  32. 32
  33. 156
  34. 88
  35. 176
  36. 164
  37. 36
  38. 80
  39. 232
  40. 208

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