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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 917 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.50 × 4 =
  2. 2.24 × 4 =
  3. 3.56 × 4 =
  4. 4.43 × 4 =
  5. 5.6 × 4 =
  6. 6.45 × 4 =
  7. 7.11 × 4 =
  8. 8.42 × 4 =
  9. 9.9 × 4 =
  10. 10.49 × 4 =
  11. 11.31 × 4 =
  12. 12.58 × 4 =
  13. 13.36 × 4 =
  14. 14.47 × 4 =
  15. 15.26 × 4 =
  16. 16.10 × 4 =
  17. 17.25 × 4 =
  18. 18.40 × 4 =
  19. 19.39 × 4 =
  20. 20.51 × 4 =
  21. 21.57 × 4 =
  22. 22.53 × 4 =
  23. 23.54 × 4 =
  24. 24.60 × 4 =
  25. 25.12 × 4 =
  26. 26.20 × 4 =
  27. 27.32 × 4 =
  28. 28.7 × 4 =
  29. 29.14 × 4 =
  30. 30.34 × 4 =
  31. 31.46 × 4 =
  32. 32.37 × 4 =
  33. 33.41 × 4 =
  34. 34.35 × 4 =
  35. 35.15 × 4 =
  36. 36.19 × 4 =
  37. 37.28 × 4 =
  38. 38.17 × 4 =
  39. 39.18 × 4 =
  40. 40.8 × 4 =

Answer key

  1. 200
  2. 96
  3. 224
  4. 172
  5. 24
  6. 180
  7. 44
  8. 168
  9. 36
  10. 196
  11. 124
  12. 232
  13. 144
  14. 188
  15. 104
  16. 40
  17. 100
  18. 160
  19. 156
  20. 204
  21. 228
  22. 212
  23. 216
  24. 240
  25. 48
  26. 80
  27. 128
  28. 28
  29. 56
  30. 136
  31. 184
  32. 148
  33. 164
  34. 140
  35. 60
  36. 76
  37. 112
  38. 68
  39. 72
  40. 32

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