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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 70 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.28 × 4 =
  2. 2.37 × 4 =
  3. 3.30 × 4 =
  4. 4.55 × 4 =
  5. 5.58 × 4 =
  6. 6.11 × 4 =
  7. 7.48 × 4 =
  8. 8.29 × 4 =
  9. 9.21 × 4 =
  10. 10.12 × 4 =
  11. 11.43 × 4 =
  12. 12.45 × 4 =
  13. 13.50 × 4 =
  14. 14.60 × 4 =
  15. 15.46 × 4 =
  16. 16.35 × 4 =
  17. 17.39 × 4 =
  18. 18.27 × 4 =
  19. 19.14 × 4 =
  20. 20.17 × 4 =
  21. 21.9 × 4 =
  22. 22.41 × 4 =
  23. 23.10 × 4 =
  24. 24.20 × 4 =
  25. 25.56 × 4 =
  26. 26.7 × 4 =
  27. 27.44 × 4 =
  28. 28.16 × 4 =
  29. 29.34 × 4 =
  30. 30.19 × 4 =
  31. 31.23 × 4 =
  32. 32.38 × 4 =
  33. 33.26 × 4 =
  34. 34.13 × 4 =
  35. 35.51 × 4 =
  36. 36.15 × 4 =
  37. 37.24 × 4 =
  38. 38.59 × 4 =
  39. 39.42 × 4 =
  40. 40.57 × 4 =

Answer key

  1. 112
  2. 148
  3. 120
  4. 220
  5. 232
  6. 44
  7. 192
  8. 116
  9. 84
  10. 48
  11. 172
  12. 180
  13. 200
  14. 240
  15. 184
  16. 140
  17. 156
  18. 108
  19. 56
  20. 68
  21. 36
  22. 164
  23. 40
  24. 80
  25. 224
  26. 28
  27. 176
  28. 64
  29. 136
  30. 76
  31. 92
  32. 152
  33. 104
  34. 52
  35. 204
  36. 60
  37. 96
  38. 236
  39. 168
  40. 228

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