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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 427 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.32 × 4 =
  2. 2.53 × 4 =
  3. 3.39 × 4 =
  4. 4.37 × 4 =
  5. 5.54 × 4 =
  6. 6.15 × 4 =
  7. 7.60 × 4 =
  8. 8.30 × 4 =
  9. 9.49 × 4 =
  10. 10.47 × 4 =
  11. 11.17 × 4 =
  12. 12.23 × 4 =
  13. 13.42 × 4 =
  14. 14.40 × 4 =
  15. 15.19 × 4 =
  16. 16.7 × 4 =
  17. 17.45 × 4 =
  18. 18.18 × 4 =
  19. 19.13 × 4 =
  20. 20.25 × 4 =
  21. 21.20 × 4 =
  22. 22.8 × 4 =
  23. 23.59 × 4 =
  24. 24.44 × 4 =
  25. 25.56 × 4 =
  26. 26.34 × 4 =
  27. 27.11 × 4 =
  28. 28.52 × 4 =
  29. 29.55 × 4 =
  30. 30.29 × 4 =
  31. 31.35 × 4 =
  32. 32.26 × 4 =
  33. 33.16 × 4 =
  34. 34.10 × 4 =
  35. 35.57 × 4 =
  36. 36.21 × 4 =
  37. 37.36 × 4 =
  38. 38.48 × 4 =
  39. 39.28 × 4 =
  40. 40.41 × 4 =

Answer key

  1. 128
  2. 212
  3. 156
  4. 148
  5. 216
  6. 60
  7. 240
  8. 120
  9. 196
  10. 188
  11. 68
  12. 92
  13. 168
  14. 160
  15. 76
  16. 28
  17. 180
  18. 72
  19. 52
  20. 100
  21. 80
  22. 32
  23. 236
  24. 176
  25. 224
  26. 136
  27. 44
  28. 208
  29. 220
  30. 116
  31. 140
  32. 104
  33. 64
  34. 40
  35. 228
  36. 84
  37. 144
  38. 192
  39. 112
  40. 164

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