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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 312 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.45 × 4 =
  2. 2.11 × 4 =
  3. 3.34 × 4 =
  4. 4.58 × 4 =
  5. 5.40 × 4 =
  6. 6.28 × 4 =
  7. 7.54 × 4 =
  8. 8.51 × 4 =
  9. 9.21 × 4 =
  10. 10.35 × 4 =
  11. 11.32 × 4 =
  12. 12.52 × 4 =
  13. 13.25 × 4 =
  14. 14.8 × 4 =
  15. 15.13 × 4 =
  16. 16.56 × 4 =
  17. 17.42 × 4 =
  18. 18.6 × 4 =
  19. 19.12 × 4 =
  20. 20.53 × 4 =
  21. 21.59 × 4 =
  22. 22.7 × 4 =
  23. 23.18 × 4 =
  24. 24.31 × 4 =
  25. 25.36 × 4 =
  26. 26.9 × 4 =
  27. 27.47 × 4 =
  28. 28.41 × 4 =
  29. 29.29 × 4 =
  30. 30.16 × 4 =
  31. 31.26 × 4 =
  32. 32.20 × 4 =
  33. 33.23 × 4 =
  34. 34.17 × 4 =
  35. 35.46 × 4 =
  36. 36.55 × 4 =
  37. 37.22 × 4 =
  38. 38.10 × 4 =
  39. 39.14 × 4 =
  40. 40.37 × 4 =

Answer key

  1. 180
  2. 44
  3. 136
  4. 232
  5. 160
  6. 112
  7. 216
  8. 204
  9. 84
  10. 140
  11. 128
  12. 208
  13. 100
  14. 32
  15. 52
  16. 224
  17. 168
  18. 24
  19. 48
  20. 212
  21. 236
  22. 28
  23. 72
  24. 124
  25. 144
  26. 36
  27. 188
  28. 164
  29. 116
  30. 64
  31. 104
  32. 80
  33. 92
  34. 68
  35. 184
  36. 220
  37. 88
  38. 40
  39. 56
  40. 148

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