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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 715 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.17 × 4 =
  2. 2.30 × 4 =
  3. 3.39 × 4 =
  4. 4.23 × 4 =
  5. 5.44 × 4 =
  6. 6.25 × 4 =
  7. 7.41 × 4 =
  8. 8.26 × 4 =
  9. 9.31 × 4 =
  10. 10.53 × 4 =
  11. 11.60 × 4 =
  12. 12.10 × 4 =
  13. 13.45 × 4 =
  14. 14.55 × 4 =
  15. 15.59 × 4 =
  16. 16.43 × 4 =
  17. 17.42 × 4 =
  18. 18.33 × 4 =
  19. 19.16 × 4 =
  20. 20.46 × 4 =
  21. 21.49 × 4 =
  22. 22.12 × 4 =
  23. 23.14 × 4 =
  24. 24.35 × 4 =
  25. 25.24 × 4 =
  26. 26.51 × 4 =
  27. 27.20 × 4 =
  28. 28.56 × 4 =
  29. 29.8 × 4 =
  30. 30.13 × 4 =
  31. 31.18 × 4 =
  32. 32.9 × 4 =
  33. 33.22 × 4 =
  34. 34.54 × 4 =
  35. 35.11 × 4 =
  36. 36.19 × 4 =
  37. 37.47 × 4 =
  38. 38.40 × 4 =
  39. 39.7 × 4 =
  40. 40.29 × 4 =

Answer key

  1. 68
  2. 120
  3. 156
  4. 92
  5. 176
  6. 100
  7. 164
  8. 104
  9. 124
  10. 212
  11. 240
  12. 40
  13. 180
  14. 220
  15. 236
  16. 172
  17. 168
  18. 132
  19. 64
  20. 184
  21. 196
  22. 48
  23. 56
  24. 140
  25. 96
  26. 204
  27. 80
  28. 224
  29. 32
  30. 52
  31. 72
  32. 36
  33. 88
  34. 216
  35. 44
  36. 76
  37. 188
  38. 160
  39. 28
  40. 116

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