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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 806 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.48 × 4 =
  2. 2.9 × 4 =
  3. 3.7 × 4 =
  4. 4.13 × 4 =
  5. 5.31 × 4 =
  6. 6.51 × 4 =
  7. 7.14 × 4 =
  8. 8.34 × 4 =
  9. 9.6 × 4 =
  10. 10.18 × 4 =
  11. 11.49 × 4 =
  12. 12.53 × 4 =
  13. 13.16 × 4 =
  14. 14.24 × 4 =
  15. 15.26 × 4 =
  16. 16.28 × 4 =
  17. 17.56 × 4 =
  18. 18.38 × 4 =
  19. 19.54 × 4 =
  20. 20.57 × 4 =
  21. 21.30 × 4 =
  22. 22.10 × 4 =
  23. 23.44 × 4 =
  24. 24.15 × 4 =
  25. 25.47 × 4 =
  26. 26.23 × 4 =
  27. 27.59 × 4 =
  28. 28.46 × 4 =
  29. 29.8 × 4 =
  30. 30.32 × 4 =
  31. 31.11 × 4 =
  32. 32.21 × 4 =
  33. 33.37 × 4 =
  34. 34.50 × 4 =
  35. 35.43 × 4 =
  36. 36.58 × 4 =
  37. 37.19 × 4 =
  38. 38.41 × 4 =
  39. 39.20 × 4 =
  40. 40.52 × 4 =

Answer key

  1. 192
  2. 36
  3. 28
  4. 52
  5. 124
  6. 204
  7. 56
  8. 136
  9. 24
  10. 72
  11. 196
  12. 212
  13. 64
  14. 96
  15. 104
  16. 112
  17. 224
  18. 152
  19. 216
  20. 228
  21. 120
  22. 40
  23. 176
  24. 60
  25. 188
  26. 92
  27. 236
  28. 184
  29. 32
  30. 128
  31. 44
  32. 84
  33. 148
  34. 200
  35. 172
  36. 232
  37. 76
  38. 164
  39. 80
  40. 208

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