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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 421 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.40 × 4 =
  2. 2.25 × 4 =
  3. 3.59 × 4 =
  4. 4.58 × 4 =
  5. 5.18 × 4 =
  6. 6.24 × 4 =
  7. 7.10 × 4 =
  8. 8.50 × 4 =
  9. 9.19 × 4 =
  10. 10.51 × 4 =
  11. 11.13 × 4 =
  12. 12.14 × 4 =
  13. 13.22 × 4 =
  14. 14.20 × 4 =
  15. 15.52 × 4 =
  16. 16.7 × 4 =
  17. 17.31 × 4 =
  18. 18.32 × 4 =
  19. 19.35 × 4 =
  20. 20.41 × 4 =
  21. 21.37 × 4 =
  22. 22.48 × 4 =
  23. 23.57 × 4 =
  24. 24.56 × 4 =
  25. 25.16 × 4 =
  26. 26.33 × 4 =
  27. 27.11 × 4 =
  28. 28.45 × 4 =
  29. 29.49 × 4 =
  30. 30.43 × 4 =
  31. 31.21 × 4 =
  32. 32.54 × 4 =
  33. 33.60 × 4 =
  34. 34.23 × 4 =
  35. 35.15 × 4 =
  36. 36.9 × 4 =
  37. 37.26 × 4 =
  38. 38.39 × 4 =
  39. 39.27 × 4 =
  40. 40.28 × 4 =

Answer key

  1. 160
  2. 100
  3. 236
  4. 232
  5. 72
  6. 96
  7. 40
  8. 200
  9. 76
  10. 204
  11. 52
  12. 56
  13. 88
  14. 80
  15. 208
  16. 28
  17. 124
  18. 128
  19. 140
  20. 164
  21. 148
  22. 192
  23. 228
  24. 224
  25. 64
  26. 132
  27. 44
  28. 180
  29. 196
  30. 172
  31. 84
  32. 216
  33. 240
  34. 92
  35. 60
  36. 36
  37. 104
  38. 156
  39. 108
  40. 112

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