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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 953 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.7 × 4 =
  2. 2.35 × 4 =
  3. 3.25 × 4 =
  4. 4.10 × 4 =
  5. 5.50 × 4 =
  6. 6.42 × 4 =
  7. 7.14 × 4 =
  8. 8.17 × 4 =
  9. 9.19 × 4 =
  10. 10.26 × 4 =
  11. 11.22 × 4 =
  12. 12.21 × 4 =
  13. 13.15 × 4 =
  14. 14.53 × 4 =
  15. 15.8 × 4 =
  16. 16.18 × 4 =
  17. 17.30 × 4 =
  18. 18.16 × 4 =
  19. 19.27 × 4 =
  20. 20.11 × 4 =
  21. 21.36 × 4 =
  22. 22.33 × 4 =
  23. 23.47 × 4 =
  24. 24.56 × 4 =
  25. 25.54 × 4 =
  26. 26.28 × 4 =
  27. 27.40 × 4 =
  28. 28.31 × 4 =
  29. 29.57 × 4 =
  30. 30.46 × 4 =
  31. 31.20 × 4 =
  32. 32.39 × 4 =
  33. 33.12 × 4 =
  34. 34.44 × 4 =
  35. 35.60 × 4 =
  36. 36.24 × 4 =
  37. 37.48 × 4 =
  38. 38.23 × 4 =
  39. 39.37 × 4 =
  40. 40.13 × 4 =

Answer key

  1. 28
  2. 140
  3. 100
  4. 40
  5. 200
  6. 168
  7. 56
  8. 68
  9. 76
  10. 104
  11. 88
  12. 84
  13. 60
  14. 212
  15. 32
  16. 72
  17. 120
  18. 64
  19. 108
  20. 44
  21. 144
  22. 132
  23. 188
  24. 224
  25. 216
  26. 112
  27. 160
  28. 124
  29. 228
  30. 184
  31. 80
  32. 156
  33. 48
  34. 176
  35. 240
  36. 96
  37. 192
  38. 92
  39. 148
  40. 52

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