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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 724 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.21 × 4 =
  2. 2.15 × 4 =
  3. 3.20 × 4 =
  4. 4.14 × 4 =
  5. 5.29 × 4 =
  6. 6.55 × 4 =
  7. 7.43 × 4 =
  8. 8.18 × 4 =
  9. 9.9 × 4 =
  10. 10.24 × 4 =
  11. 11.31 × 4 =
  12. 12.60 × 4 =
  13. 13.16 × 4 =
  14. 14.48 × 4 =
  15. 15.38 × 4 =
  16. 16.19 × 4 =
  17. 17.39 × 4 =
  18. 18.36 × 4 =
  19. 19.37 × 4 =
  20. 20.56 × 4 =
  21. 21.57 × 4 =
  22. 22.22 × 4 =
  23. 23.10 × 4 =
  24. 24.49 × 4 =
  25. 25.42 × 4 =
  26. 26.23 × 4 =
  27. 27.59 × 4 =
  28. 28.8 × 4 =
  29. 29.26 × 4 =
  30. 30.7 × 4 =
  31. 31.33 × 4 =
  32. 32.44 × 4 =
  33. 33.11 × 4 =
  34. 34.25 × 4 =
  35. 35.35 × 4 =
  36. 36.13 × 4 =
  37. 37.12 × 4 =
  38. 38.53 × 4 =
  39. 39.40 × 4 =
  40. 40.27 × 4 =

Answer key

  1. 84
  2. 60
  3. 80
  4. 56
  5. 116
  6. 220
  7. 172
  8. 72
  9. 36
  10. 96
  11. 124
  12. 240
  13. 64
  14. 192
  15. 152
  16. 76
  17. 156
  18. 144
  19. 148
  20. 224
  21. 228
  22. 88
  23. 40
  24. 196
  25. 168
  26. 92
  27. 236
  28. 32
  29. 104
  30. 28
  31. 132
  32. 176
  33. 44
  34. 100
  35. 140
  36. 52
  37. 48
  38. 212
  39. 160
  40. 108

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