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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 457 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.21 × 4 =
  2. 2.25 × 4 =
  3. 3.7 × 4 =
  4. 4.41 × 4 =
  5. 5.37 × 4 =
  6. 6.17 × 4 =
  7. 7.20 × 4 =
  8. 8.46 × 4 =
  9. 9.13 × 4 =
  10. 10.9 × 4 =
  11. 11.55 × 4 =
  12. 12.10 × 4 =
  13. 13.54 × 4 =
  14. 14.59 × 4 =
  15. 15.45 × 4 =
  16. 16.34 × 4 =
  17. 17.31 × 4 =
  18. 18.19 × 4 =
  19. 19.52 × 4 =
  20. 20.30 × 4 =
  21. 21.12 × 4 =
  22. 22.48 × 4 =
  23. 23.57 × 4 =
  24. 24.16 × 4 =
  25. 25.24 × 4 =
  26. 26.51 × 4 =
  27. 27.14 × 4 =
  28. 28.58 × 4 =
  29. 29.26 × 4 =
  30. 30.33 × 4 =
  31. 31.43 × 4 =
  32. 32.28 × 4 =
  33. 33.8 × 4 =
  34. 34.36 × 4 =
  35. 35.27 × 4 =
  36. 36.15 × 4 =
  37. 37.56 × 4 =
  38. 38.29 × 4 =
  39. 39.47 × 4 =
  40. 40.23 × 4 =

Answer key

  1. 84
  2. 100
  3. 28
  4. 164
  5. 148
  6. 68
  7. 80
  8. 184
  9. 52
  10. 36
  11. 220
  12. 40
  13. 216
  14. 236
  15. 180
  16. 136
  17. 124
  18. 76
  19. 208
  20. 120
  21. 48
  22. 192
  23. 228
  24. 64
  25. 96
  26. 204
  27. 56
  28. 232
  29. 104
  30. 132
  31. 172
  32. 112
  33. 32
  34. 144
  35. 108
  36. 60
  37. 224
  38. 116
  39. 188
  40. 92

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