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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 21 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.15 × 4 =
  2. 2.18 × 4 =
  3. 3.19 × 4 =
  4. 4.55 × 4 =
  5. 5.34 × 4 =
  6. 6.56 × 4 =
  7. 7.44 × 4 =
  8. 8.45 × 4 =
  9. 9.8 × 4 =
  10. 10.22 × 4 =
  11. 11.27 × 4 =
  12. 12.35 × 4 =
  13. 13.23 × 4 =
  14. 14.38 × 4 =
  15. 15.48 × 4 =
  16. 16.39 × 4 =
  17. 17.49 × 4 =
  18. 18.51 × 4 =
  19. 19.24 × 4 =
  20. 20.17 × 4 =
  21. 21.41 × 4 =
  22. 22.32 × 4 =
  23. 23.59 × 4 =
  24. 24.7 × 4 =
  25. 25.6 × 4 =
  26. 26.20 × 4 =
  27. 27.46 × 4 =
  28. 28.43 × 4 =
  29. 29.57 × 4 =
  30. 30.58 × 4 =
  31. 31.21 × 4 =
  32. 32.40 × 4 =
  33. 33.36 × 4 =
  34. 34.52 × 4 =
  35. 35.25 × 4 =
  36. 36.16 × 4 =
  37. 37.13 × 4 =
  38. 38.26 × 4 =
  39. 39.42 × 4 =
  40. 40.11 × 4 =

Answer key

  1. 60
  2. 72
  3. 76
  4. 220
  5. 136
  6. 224
  7. 176
  8. 180
  9. 32
  10. 88
  11. 108
  12. 140
  13. 92
  14. 152
  15. 192
  16. 156
  17. 196
  18. 204
  19. 96
  20. 68
  21. 164
  22. 128
  23. 236
  24. 28
  25. 24
  26. 80
  27. 184
  28. 172
  29. 228
  30. 232
  31. 84
  32. 160
  33. 144
  34. 208
  35. 100
  36. 64
  37. 52
  38. 104
  39. 168
  40. 44

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