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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 991 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.51 × 4 =
  2. 2.50 × 4 =
  3. 3.26 × 4 =
  4. 4.34 × 4 =
  5. 5.46 × 4 =
  6. 6.6 × 4 =
  7. 7.18 × 4 =
  8. 8.16 × 4 =
  9. 9.20 × 4 =
  10. 10.37 × 4 =
  11. 11.33 × 4 =
  12. 12.42 × 4 =
  13. 13.30 × 4 =
  14. 14.58 × 4 =
  15. 15.13 × 4 =
  16. 16.27 × 4 =
  17. 17.56 × 4 =
  18. 18.47 × 4 =
  19. 19.60 × 4 =
  20. 20.22 × 4 =
  21. 21.19 × 4 =
  22. 22.59 × 4 =
  23. 23.24 × 4 =
  24. 24.32 × 4 =
  25. 25.25 × 4 =
  26. 26.49 × 4 =
  27. 27.39 × 4 =
  28. 28.8 × 4 =
  29. 29.43 × 4 =
  30. 30.12 × 4 =
  31. 31.53 × 4 =
  32. 32.7 × 4 =
  33. 33.15 × 4 =
  34. 34.21 × 4 =
  35. 35.35 × 4 =
  36. 36.41 × 4 =
  37. 37.57 × 4 =
  38. 38.14 × 4 =
  39. 39.45 × 4 =
  40. 40.17 × 4 =

Answer key

  1. 204
  2. 200
  3. 104
  4. 136
  5. 184
  6. 24
  7. 72
  8. 64
  9. 80
  10. 148
  11. 132
  12. 168
  13. 120
  14. 232
  15. 52
  16. 108
  17. 224
  18. 188
  19. 240
  20. 88
  21. 76
  22. 236
  23. 96
  24. 128
  25. 100
  26. 196
  27. 156
  28. 32
  29. 172
  30. 48
  31. 212
  32. 28
  33. 60
  34. 84
  35. 140
  36. 164
  37. 228
  38. 56
  39. 180
  40. 68

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