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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 735 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.49 × 4 =
  2. 2.32 × 4 =
  3. 3.54 × 4 =
  4. 4.16 × 4 =
  5. 5.20 × 4 =
  6. 6.56 × 4 =
  7. 7.10 × 4 =
  8. 8.37 × 4 =
  9. 9.26 × 4 =
  10. 10.11 × 4 =
  11. 11.43 × 4 =
  12. 12.36 × 4 =
  13. 13.44 × 4 =
  14. 14.46 × 4 =
  15. 15.7 × 4 =
  16. 16.13 × 4 =
  17. 17.58 × 4 =
  18. 18.30 × 4 =
  19. 19.23 × 4 =
  20. 20.40 × 4 =
  21. 21.12 × 4 =
  22. 22.50 × 4 =
  23. 23.55 × 4 =
  24. 24.9 × 4 =
  25. 25.53 × 4 =
  26. 26.19 × 4 =
  27. 27.39 × 4 =
  28. 28.28 × 4 =
  29. 29.17 × 4 =
  30. 30.42 × 4 =
  31. 31.38 × 4 =
  32. 32.25 × 4 =
  33. 33.34 × 4 =
  34. 34.45 × 4 =
  35. 35.22 × 4 =
  36. 36.33 × 4 =
  37. 37.14 × 4 =
  38. 38.15 × 4 =
  39. 39.18 × 4 =
  40. 40.24 × 4 =

Answer key

  1. 196
  2. 128
  3. 216
  4. 64
  5. 80
  6. 224
  7. 40
  8. 148
  9. 104
  10. 44
  11. 172
  12. 144
  13. 176
  14. 184
  15. 28
  16. 52
  17. 232
  18. 120
  19. 92
  20. 160
  21. 48
  22. 200
  23. 220
  24. 36
  25. 212
  26. 76
  27. 156
  28. 112
  29. 68
  30. 168
  31. 152
  32. 100
  33. 136
  34. 180
  35. 88
  36. 132
  37. 56
  38. 60
  39. 72
  40. 96

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