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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 599 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.25 × 4 =
  2. 2.55 × 4 =
  3. 3.60 × 4 =
  4. 4.12 × 4 =
  5. 5.7 × 4 =
  6. 6.52 × 4 =
  7. 7.22 × 4 =
  8. 8.10 × 4 =
  9. 9.53 × 4 =
  10. 10.45 × 4 =
  11. 11.58 × 4 =
  12. 12.40 × 4 =
  13. 13.17 × 4 =
  14. 14.28 × 4 =
  15. 15.39 × 4 =
  16. 16.56 × 4 =
  17. 17.23 × 4 =
  18. 18.43 × 4 =
  19. 19.54 × 4 =
  20. 20.15 × 4 =
  21. 21.16 × 4 =
  22. 22.30 × 4 =
  23. 23.41 × 4 =
  24. 24.44 × 4 =
  25. 25.48 × 4 =
  26. 26.20 × 4 =
  27. 27.19 × 4 =
  28. 28.42 × 4 =
  29. 29.14 × 4 =
  30. 30.33 × 4 =
  31. 31.31 × 4 =
  32. 32.49 × 4 =
  33. 33.32 × 4 =
  34. 34.47 × 4 =
  35. 35.46 × 4 =
  36. 36.21 × 4 =
  37. 37.9 × 4 =
  38. 38.37 × 4 =
  39. 39.35 × 4 =
  40. 40.51 × 4 =

Answer key

  1. 100
  2. 220
  3. 240
  4. 48
  5. 28
  6. 208
  7. 88
  8. 40
  9. 212
  10. 180
  11. 232
  12. 160
  13. 68
  14. 112
  15. 156
  16. 224
  17. 92
  18. 172
  19. 216
  20. 60
  21. 64
  22. 120
  23. 164
  24. 176
  25. 192
  26. 80
  27. 76
  28. 168
  29. 56
  30. 132
  31. 124
  32. 196
  33. 128
  34. 188
  35. 184
  36. 84
  37. 36
  38. 148
  39. 140
  40. 204

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