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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 91 · 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. 2.26 × 4 =
  3. 3.35 × 4 =
  4. 4.25 × 4 =
  5. 5.9 × 4 =
  6. 6.17 × 4 =
  7. 7.19 × 4 =
  8. 8.18 × 4 =
  9. 9.10 × 4 =
  10. 10.11 × 4 =
  11. 11.43 × 4 =
  12. 12.14 × 4 =
  13. 13.34 × 4 =
  14. 14.54 × 4 =
  15. 15.40 × 4 =
  16. 16.37 × 4 =
  17. 17.45 × 4 =
  18. 18.53 × 4 =
  19. 19.7 × 4 =
  20. 20.48 × 4 =
  21. 21.55 × 4 =
  22. 22.22 × 4 =
  23. 23.46 × 4 =
  24. 24.31 × 4 =
  25. 25.47 × 4 =
  26. 26.12 × 4 =
  27. 27.20 × 4 =
  28. 28.38 × 4 =
  29. 29.41 × 4 =
  30. 30.39 × 4 =
  31. 31.21 × 4 =
  32. 32.24 × 4 =
  33. 33.56 × 4 =
  34. 34.33 × 4 =
  35. 35.23 × 4 =
  36. 36.59 × 4 =
  37. 37.36 × 4 =
  38. 38.55 × 4 =
  39. 39.49 × 4 =
  40. 40.30 × 4 =

Answer key

  1. 200
  2. 104
  3. 140
  4. 100
  5. 36
  6. 68
  7. 76
  8. 72
  9. 40
  10. 44
  11. 172
  12. 56
  13. 136
  14. 216
  15. 160
  16. 148
  17. 180
  18. 212
  19. 28
  20. 192
  21. 220
  22. 88
  23. 184
  24. 124
  25. 188
  26. 48
  27. 80
  28. 152
  29. 164
  30. 156
  31. 84
  32. 96
  33. 224
  34. 132
  35. 92
  36. 236
  37. 144
  38. 220
  39. 196
  40. 120

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