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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 320 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.57 × 4 =
  2. 2.34 × 4 =
  3. 3.22 × 4 =
  4. 4.41 × 4 =
  5. 5.42 × 4 =
  6. 6.39 × 4 =
  7. 7.9 × 4 =
  8. 8.37 × 4 =
  9. 9.24 × 4 =
  10. 10.8 × 4 =
  11. 11.26 × 4 =
  12. 12.6 × 4 =
  13. 13.45 × 4 =
  14. 14.10 × 4 =
  15. 15.35 × 4 =
  16. 16.38 × 4 =
  17. 17.19 × 4 =
  18. 18.47 × 4 =
  19. 19.11 × 4 =
  20. 20.21 × 4 =
  21. 21.46 × 4 =
  22. 22.20 × 4 =
  23. 23.53 × 4 =
  24. 24.17 × 4 =
  25. 25.31 × 4 =
  26. 26.59 × 4 =
  27. 27.55 × 4 =
  28. 28.16 × 4 =
  29. 29.29 × 4 =
  30. 30.12 × 4 =
  31. 31.18 × 4 =
  32. 32.44 × 4 =
  33. 33.49 × 4 =
  34. 34.40 × 4 =
  35. 35.32 × 4 =
  36. 36.15 × 4 =
  37. 37.56 × 4 =
  38. 38.14 × 4 =
  39. 39.60 × 4 =
  40. 40.52 × 4 =

Answer key

  1. 228
  2. 136
  3. 88
  4. 164
  5. 168
  6. 156
  7. 36
  8. 148
  9. 96
  10. 32
  11. 104
  12. 24
  13. 180
  14. 40
  15. 140
  16. 152
  17. 76
  18. 188
  19. 44
  20. 84
  21. 184
  22. 80
  23. 212
  24. 68
  25. 124
  26. 236
  27. 220
  28. 64
  29. 116
  30. 48
  31. 72
  32. 176
  33. 196
  34. 160
  35. 128
  36. 60
  37. 224
  38. 56
  39. 240
  40. 208

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