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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 944 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.21 × 4 =
  2. 2.44 × 4 =
  3. 3.60 × 4 =
  4. 4.6 × 4 =
  5. 5.19 × 4 =
  6. 6.16 × 4 =
  7. 7.28 × 4 =
  8. 8.31 × 4 =
  9. 9.52 × 4 =
  10. 10.12 × 4 =
  11. 11.9 × 4 =
  12. 12.8 × 4 =
  13. 13.42 × 4 =
  14. 14.51 × 4 =
  15. 15.50 × 4 =
  16. 16.45 × 4 =
  17. 17.20 × 4 =
  18. 18.36 × 4 =
  19. 19.23 × 4 =
  20. 20.11 × 4 =
  21. 21.13 × 4 =
  22. 22.29 × 4 =
  23. 23.56 × 4 =
  24. 24.38 × 4 =
  25. 25.25 × 4 =
  26. 26.43 × 4 =
  27. 27.22 × 4 =
  28. 28.14 × 4 =
  29. 29.34 × 4 =
  30. 30.26 × 4 =
  31. 31.37 × 4 =
  32. 32.58 × 4 =
  33. 33.33 × 4 =
  34. 34.10 × 4 =
  35. 35.30 × 4 =
  36. 36.32 × 4 =
  37. 37.51 × 4 =
  38. 38.15 × 4 =
  39. 39.7 × 4 =
  40. 40.47 × 4 =

Answer key

  1. 84
  2. 176
  3. 240
  4. 24
  5. 76
  6. 64
  7. 112
  8. 124
  9. 208
  10. 48
  11. 36
  12. 32
  13. 168
  14. 204
  15. 200
  16. 180
  17. 80
  18. 144
  19. 92
  20. 44
  21. 52
  22. 116
  23. 224
  24. 152
  25. 100
  26. 172
  27. 88
  28. 56
  29. 136
  30. 104
  31. 148
  32. 232
  33. 132
  34. 40
  35. 120
  36. 128
  37. 204
  38. 60
  39. 28
  40. 188

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