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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 600 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.42 × 4 =
  2. 2.12 × 4 =
  3. 3.8 × 4 =
  4. 4.45 × 4 =
  5. 5.55 × 4 =
  6. 6.17 × 4 =
  7. 7.6 × 4 =
  8. 8.24 × 4 =
  9. 9.18 × 4 =
  10. 10.9 × 4 =
  11. 11.15 × 4 =
  12. 12.56 × 4 =
  13. 13.47 × 4 =
  14. 14.52 × 4 =
  15. 15.26 × 4 =
  16. 16.51 × 4 =
  17. 17.36 × 4 =
  18. 18.38 × 4 =
  19. 19.21 × 4 =
  20. 20.37 × 4 =
  21. 21.50 × 4 =
  22. 22.60 × 4 =
  23. 23.54 × 4 =
  24. 24.41 × 4 =
  25. 25.20 × 4 =
  26. 26.11 × 4 =
  27. 27.32 × 4 =
  28. 28.19 × 4 =
  29. 29.59 × 4 =
  30. 30.31 × 4 =
  31. 31.35 × 4 =
  32. 32.49 × 4 =
  33. 33.7 × 4 =
  34. 34.40 × 4 =
  35. 35.53 × 4 =
  36. 36.57 × 4 =
  37. 37.29 × 4 =
  38. 38.33 × 4 =
  39. 39.43 × 4 =
  40. 40.14 × 4 =

Answer key

  1. 168
  2. 48
  3. 32
  4. 180
  5. 220
  6. 68
  7. 24
  8. 96
  9. 72
  10. 36
  11. 60
  12. 224
  13. 188
  14. 208
  15. 104
  16. 204
  17. 144
  18. 152
  19. 84
  20. 148
  21. 200
  22. 240
  23. 216
  24. 164
  25. 80
  26. 44
  27. 128
  28. 76
  29. 236
  30. 124
  31. 140
  32. 196
  33. 28
  34. 160
  35. 212
  36. 228
  37. 116
  38. 132
  39. 172
  40. 56

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