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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 703 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.36 × 4 =
  2. 2.8 × 4 =
  3. 3.6 × 4 =
  4. 4.9 × 4 =
  5. 5.60 × 4 =
  6. 6.32 × 4 =
  7. 7.16 × 4 =
  8. 8.49 × 4 =
  9. 9.21 × 4 =
  10. 10.31 × 4 =
  11. 11.27 × 4 =
  12. 12.17 × 4 =
  13. 13.57 × 4 =
  14. 14.41 × 4 =
  15. 15.30 × 4 =
  16. 16.29 × 4 =
  17. 17.45 × 4 =
  18. 18.28 × 4 =
  19. 19.26 × 4 =
  20. 20.44 × 4 =
  21. 21.43 × 4 =
  22. 22.59 × 4 =
  23. 23.46 × 4 =
  24. 24.18 × 4 =
  25. 25.25 × 4 =
  26. 26.40 × 4 =
  27. 27.13 × 4 =
  28. 28.12 × 4 =
  29. 29.58 × 4 =
  30. 30.53 × 4 =
  31. 31.55 × 4 =
  32. 32.11 × 4 =
  33. 33.24 × 4 =
  34. 34.7 × 4 =
  35. 35.42 × 4 =
  36. 36.48 × 4 =
  37. 37.52 × 4 =
  38. 38.23 × 4 =
  39. 39.15 × 4 =
  40. 40.20 × 4 =

Answer key

  1. 144
  2. 32
  3. 24
  4. 36
  5. 240
  6. 128
  7. 64
  8. 196
  9. 84
  10. 124
  11. 108
  12. 68
  13. 228
  14. 164
  15. 120
  16. 116
  17. 180
  18. 112
  19. 104
  20. 176
  21. 172
  22. 236
  23. 184
  24. 72
  25. 100
  26. 160
  27. 52
  28. 48
  29. 232
  30. 212
  31. 220
  32. 44
  33. 96
  34. 28
  35. 168
  36. 192
  37. 208
  38. 92
  39. 60
  40. 80

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