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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 760 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.29 × 4 =
  2. 2.32 × 4 =
  3. 3.20 × 4 =
  4. 4.56 × 4 =
  5. 5.58 × 4 =
  6. 6.44 × 4 =
  7. 7.6 × 4 =
  8. 8.57 × 4 =
  9. 9.60 × 4 =
  10. 10.9 × 4 =
  11. 11.22 × 4 =
  12. 12.13 × 4 =
  13. 13.15 × 4 =
  14. 14.31 × 4 =
  15. 15.11 × 4 =
  16. 16.43 × 4 =
  17. 17.40 × 4 =
  18. 18.14 × 4 =
  19. 19.48 × 4 =
  20. 20.12 × 4 =
  21. 21.51 × 4 =
  22. 22.53 × 4 =
  23. 23.35 × 4 =
  24. 24.54 × 4 =
  25. 25.10 × 4 =
  26. 26.18 × 4 =
  27. 27.45 × 4 =
  28. 28.30 × 4 =
  29. 29.25 × 4 =
  30. 30.19 × 4 =
  31. 31.23 × 4 =
  32. 32.33 × 4 =
  33. 33.59 × 4 =
  34. 34.8 × 4 =
  35. 35.38 × 4 =
  36. 36.24 × 4 =
  37. 37.46 × 4 =
  38. 38.36 × 4 =
  39. 39.7 × 4 =
  40. 40.21 × 4 =

Answer key

  1. 116
  2. 128
  3. 80
  4. 224
  5. 232
  6. 176
  7. 24
  8. 228
  9. 240
  10. 36
  11. 88
  12. 52
  13. 60
  14. 124
  15. 44
  16. 172
  17. 160
  18. 56
  19. 192
  20. 48
  21. 204
  22. 212
  23. 140
  24. 216
  25. 40
  26. 72
  27. 180
  28. 120
  29. 100
  30. 76
  31. 92
  32. 132
  33. 236
  34. 32
  35. 152
  36. 96
  37. 184
  38. 144
  39. 28
  40. 84

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