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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 280 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.38 × 4 =
  2. 2.59 × 4 =
  3. 3.21 × 4 =
  4. 4.37 × 4 =
  5. 5.8 × 4 =
  6. 6.54 × 4 =
  7. 7.17 × 4 =
  8. 8.56 × 4 =
  9. 9.33 × 4 =
  10. 10.44 × 4 =
  11. 11.11 × 4 =
  12. 12.15 × 4 =
  13. 13.12 × 4 =
  14. 14.29 × 4 =
  15. 15.28 × 4 =
  16. 16.16 × 4 =
  17. 17.19 × 4 =
  18. 18.13 × 4 =
  19. 19.22 × 4 =
  20. 20.53 × 4 =
  21. 21.52 × 4 =
  22. 22.36 × 4 =
  23. 23.7 × 4 =
  24. 24.24 × 4 =
  25. 25.49 × 4 =
  26. 26.48 × 4 =
  27. 27.26 × 4 =
  28. 28.14 × 4 =
  29. 29.23 × 4 =
  30. 30.55 × 4 =
  31. 31.9 × 4 =
  32. 32.42 × 4 =
  33. 33.57 × 4 =
  34. 34.58 × 4 =
  35. 35.25 × 4 =
  36. 36.51 × 4 =
  37. 37.41 × 4 =
  38. 38.10 × 4 =
  39. 39.20 × 4 =
  40. 40.32 × 4 =

Answer key

  1. 152
  2. 236
  3. 84
  4. 148
  5. 32
  6. 216
  7. 68
  8. 224
  9. 132
  10. 176
  11. 44
  12. 60
  13. 48
  14. 116
  15. 112
  16. 64
  17. 76
  18. 52
  19. 88
  20. 212
  21. 208
  22. 144
  23. 28
  24. 96
  25. 196
  26. 192
  27. 104
  28. 56
  29. 92
  30. 220
  31. 36
  32. 168
  33. 228
  34. 232
  35. 100
  36. 204
  37. 164
  38. 40
  39. 80
  40. 128

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