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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 903 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.41 × 4 =
  2. 2.42 × 4 =
  3. 3.49 × 4 =
  4. 4.34 × 4 =
  5. 5.13 × 4 =
  6. 6.18 × 4 =
  7. 7.35 × 4 =
  8. 8.20 × 4 =
  9. 9.40 × 4 =
  10. 10.8 × 4 =
  11. 11.50 × 4 =
  12. 12.29 × 4 =
  13. 13.17 × 4 =
  14. 14.52 × 4 =
  15. 15.55 × 4 =
  16. 16.36 × 4 =
  17. 17.33 × 4 =
  18. 18.31 × 4 =
  19. 19.53 × 4 =
  20. 20.14 × 4 =
  21. 21.54 × 4 =
  22. 22.58 × 4 =
  23. 23.11 × 4 =
  24. 24.45 × 4 =
  25. 25.48 × 4 =
  26. 26.37 × 4 =
  27. 27.15 × 4 =
  28. 28.57 × 4 =
  29. 29.51 × 4 =
  30. 30.19 × 4 =
  31. 31.56 × 4 =
  32. 32.46 × 4 =
  33. 33.10 × 4 =
  34. 34.25 × 4 =
  35. 35.38 × 4 =
  36. 36.32 × 4 =
  37. 37.23 × 4 =
  38. 38.21 × 4 =
  39. 39.16 × 4 =
  40. 40.7 × 4 =

Answer key

  1. 164
  2. 168
  3. 196
  4. 136
  5. 52
  6. 72
  7. 140
  8. 80
  9. 160
  10. 32
  11. 200
  12. 116
  13. 68
  14. 208
  15. 220
  16. 144
  17. 132
  18. 124
  19. 212
  20. 56
  21. 216
  22. 232
  23. 44
  24. 180
  25. 192
  26. 148
  27. 60
  28. 228
  29. 204
  30. 76
  31. 224
  32. 184
  33. 40
  34. 100
  35. 152
  36. 128
  37. 92
  38. 84
  39. 64
  40. 28

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