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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 374 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.35 × 4 =
  2. 2.49 × 4 =
  3. 3.59 × 4 =
  4. 4.9 × 4 =
  5. 5.38 × 4 =
  6. 6.42 × 4 =
  7. 7.33 × 4 =
  8. 8.39 × 4 =
  9. 9.11 × 4 =
  10. 10.7 × 4 =
  11. 11.52 × 4 =
  12. 12.10 × 4 =
  13. 13.53 × 4 =
  14. 14.8 × 4 =
  15. 15.46 × 4 =
  16. 16.30 × 4 =
  17. 17.55 × 4 =
  18. 18.51 × 4 =
  19. 19.17 × 4 =
  20. 20.48 × 4 =
  21. 21.6 × 4 =
  22. 22.20 × 4 =
  23. 23.60 × 4 =
  24. 24.12 × 4 =
  25. 25.18 × 4 =
  26. 26.32 × 4 =
  27. 27.37 × 4 =
  28. 28.36 × 4 =
  29. 29.58 × 4 =
  30. 30.27 × 4 =
  31. 31.50 × 4 =
  32. 32.54 × 4 =
  33. 33.14 × 4 =
  34. 34.28 × 4 =
  35. 35.44 × 4 =
  36. 36.41 × 4 =
  37. 37.22 × 4 =
  38. 38.13 × 4 =
  39. 39.16 × 4 =
  40. 40.21 × 4 =

Answer key

  1. 140
  2. 196
  3. 236
  4. 36
  5. 152
  6. 168
  7. 132
  8. 156
  9. 44
  10. 28
  11. 208
  12. 40
  13. 212
  14. 32
  15. 184
  16. 120
  17. 220
  18. 204
  19. 68
  20. 192
  21. 24
  22. 80
  23. 240
  24. 48
  25. 72
  26. 128
  27. 148
  28. 144
  29. 232
  30. 108
  31. 200
  32. 216
  33. 56
  34. 112
  35. 176
  36. 164
  37. 88
  38. 52
  39. 64
  40. 84

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