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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 405 · 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. 2.26 × 4 =
  3. 3.10 × 4 =
  4. 4.32 × 4 =
  5. 5.11 × 4 =
  6. 6.41 × 4 =
  7. 7.47 × 4 =
  8. 8.13 × 4 =
  9. 9.40 × 4 =
  10. 10.48 × 4 =
  11. 11.17 × 4 =
  12. 12.44 × 4 =
  13. 13.30 × 4 =
  14. 14.22 × 4 =
  15. 15.60 × 4 =
  16. 16.53 × 4 =
  17. 17.15 × 4 =
  18. 18.31 × 4 =
  19. 19.59 × 4 =
  20. 20.19 × 4 =
  21. 21.43 × 4 =
  22. 22.56 × 4 =
  23. 23.35 × 4 =
  24. 24.51 × 4 =
  25. 25.29 × 4 =
  26. 26.58 × 4 =
  27. 27.14 × 4 =
  28. 28.9 × 4 =
  29. 29.37 × 4 =
  30. 30.46 × 4 =
  31. 31.24 × 4 =
  32. 32.27 × 4 =
  33. 33.42 × 4 =
  34. 34.39 × 4 =
  35. 35.34 × 4 =
  36. 36.52 × 4 =
  37. 37.57 × 4 =
  38. 38.28 × 4 =
  39. 39.45 × 4 =
  40. 40.21 × 4 =

Answer key

  1. 200
  2. 104
  3. 40
  4. 128
  5. 44
  6. 164
  7. 188
  8. 52
  9. 160
  10. 192
  11. 68
  12. 176
  13. 120
  14. 88
  15. 240
  16. 212
  17. 60
  18. 124
  19. 236
  20. 76
  21. 172
  22. 224
  23. 140
  24. 204
  25. 116
  26. 232
  27. 56
  28. 36
  29. 148
  30. 184
  31. 96
  32. 108
  33. 168
  34. 156
  35. 136
  36. 208
  37. 228
  38. 112
  39. 180
  40. 84

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