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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 838 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.50 × 4 =
  2. 2.34 × 4 =
  3. 3.38 × 4 =
  4. 4.51 × 4 =
  5. 5.46 × 4 =
  6. 6.6 × 4 =
  7. 7.36 × 4 =
  8. 8.27 × 4 =
  9. 9.43 × 4 =
  10. 10.42 × 4 =
  11. 11.10 × 4 =
  12. 12.25 × 4 =
  13. 13.60 × 4 =
  14. 14.28 × 4 =
  15. 15.37 × 4 =
  16. 16.16 × 4 =
  17. 17.49 × 4 =
  18. 18.56 × 4 =
  19. 19.26 × 4 =
  20. 20.57 × 4 =
  21. 21.52 × 4 =
  22. 22.53 × 4 =
  23. 23.14 × 4 =
  24. 24.21 × 4 =
  25. 25.32 × 4 =
  26. 26.13 × 4 =
  27. 27.30 × 4 =
  28. 28.20 × 4 =
  29. 29.7 × 4 =
  30. 30.44 × 4 =
  31. 31.9 × 4 =
  32. 32.24 × 4 =
  33. 33.35 × 4 =
  34. 34.19 × 4 =
  35. 35.45 × 4 =
  36. 36.39 × 4 =
  37. 37.11 × 4 =
  38. 38.8 × 4 =
  39. 39.22 × 4 =
  40. 40.31 × 4 =

Answer key

  1. 200
  2. 136
  3. 152
  4. 204
  5. 184
  6. 24
  7. 144
  8. 108
  9. 172
  10. 168
  11. 40
  12. 100
  13. 240
  14. 112
  15. 148
  16. 64
  17. 196
  18. 224
  19. 104
  20. 228
  21. 208
  22. 212
  23. 56
  24. 84
  25. 128
  26. 52
  27. 120
  28. 80
  29. 28
  30. 176
  31. 36
  32. 96
  33. 140
  34. 76
  35. 180
  36. 156
  37. 44
  38. 32
  39. 88
  40. 124

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