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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 943 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.22 × 4 =
  2. 2.44 × 4 =
  3. 3.18 × 4 =
  4. 4.12 × 4 =
  5. 5.42 × 4 =
  6. 6.32 × 4 =
  7. 7.25 × 4 =
  8. 8.58 × 4 =
  9. 9.15 × 4 =
  10. 10.17 × 4 =
  11. 11.57 × 4 =
  12. 12.27 × 4 =
  13. 13.35 × 4 =
  14. 14.8 × 4 =
  15. 15.21 × 4 =
  16. 16.11 × 4 =
  17. 17.10 × 4 =
  18. 18.40 × 4 =
  19. 19.46 × 4 =
  20. 20.50 × 4 =
  21. 21.7 × 4 =
  22. 22.23 × 4 =
  23. 23.53 × 4 =
  24. 24.29 × 4 =
  25. 25.55 × 4 =
  26. 26.30 × 4 =
  27. 27.6 × 4 =
  28. 28.37 × 4 =
  29. 29.39 × 4 =
  30. 30.26 × 4 =
  31. 31.47 × 4 =
  32. 32.20 × 4 =
  33. 33.13 × 4 =
  34. 34.9 × 4 =
  35. 35.59 × 4 =
  36. 36.60 × 4 =
  37. 37.51 × 4 =
  38. 38.36 × 4 =
  39. 39.52 × 4 =
  40. 40.28 × 4 =

Answer key

  1. 88
  2. 176
  3. 72
  4. 48
  5. 168
  6. 128
  7. 100
  8. 232
  9. 60
  10. 68
  11. 228
  12. 108
  13. 140
  14. 32
  15. 84
  16. 44
  17. 40
  18. 160
  19. 184
  20. 200
  21. 28
  22. 92
  23. 212
  24. 116
  25. 220
  26. 120
  27. 24
  28. 148
  29. 156
  30. 104
  31. 188
  32. 80
  33. 52
  34. 36
  35. 236
  36. 240
  37. 204
  38. 144
  39. 208
  40. 112

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