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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 452 · 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. 2.7 × 4 =
  3. 3.42 × 4 =
  4. 4.34 × 4 =
  5. 5.11 × 4 =
  6. 6.13 × 4 =
  7. 7.28 × 4 =
  8. 8.55 × 4 =
  9. 9.60 × 4 =
  10. 10.12 × 4 =
  11. 11.56 × 4 =
  12. 12.53 × 4 =
  13. 13.52 × 4 =
  14. 14.25 × 4 =
  15. 15.36 × 4 =
  16. 16.15 × 4 =
  17. 17.45 × 4 =
  18. 18.27 × 4 =
  19. 19.20 × 4 =
  20. 20.23 × 4 =
  21. 21.14 × 4 =
  22. 22.31 × 4 =
  23. 23.16 × 4 =
  24. 24.8 × 4 =
  25. 25.29 × 4 =
  26. 26.17 × 4 =
  27. 27.44 × 4 =
  28. 28.21 × 4 =
  29. 29.51 × 4 =
  30. 30.9 × 4 =
  31. 31.30 × 4 =
  32. 32.46 × 4 =
  33. 33.43 × 4 =
  34. 34.33 × 4 =
  35. 35.10 × 4 =
  36. 36.26 × 4 =
  37. 37.59 × 4 =
  38. 38.58 × 4 =
  39. 39.37 × 4 =
  40. 40.54 × 4 =

Answer key

  1. 196
  2. 28
  3. 168
  4. 136
  5. 44
  6. 52
  7. 112
  8. 220
  9. 240
  10. 48
  11. 224
  12. 212
  13. 208
  14. 100
  15. 144
  16. 60
  17. 180
  18. 108
  19. 80
  20. 92
  21. 56
  22. 124
  23. 64
  24. 32
  25. 116
  26. 68
  27. 176
  28. 84
  29. 204
  30. 36
  31. 120
  32. 184
  33. 172
  34. 132
  35. 40
  36. 104
  37. 236
  38. 232
  39. 148
  40. 216

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