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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 998 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.52 × 4 =
  2. 2.11 × 4 =
  3. 3.40 × 4 =
  4. 4.32 × 4 =
  5. 5.50 × 4 =
  6. 6.59 × 4 =
  7. 7.15 × 4 =
  8. 8.49 × 4 =
  9. 9.44 × 4 =
  10. 10.14 × 4 =
  11. 11.45 × 4 =
  12. 12.20 × 4 =
  13. 13.18 × 4 =
  14. 14.22 × 4 =
  15. 15.25 × 4 =
  16. 16.54 × 4 =
  17. 17.47 × 4 =
  18. 18.26 × 4 =
  19. 19.57 × 4 =
  20. 20.42 × 4 =
  21. 21.55 × 4 =
  22. 22.17 × 4 =
  23. 23.34 × 4 =
  24. 24.58 × 4 =
  25. 25.33 × 4 =
  26. 26.7 × 4 =
  27. 27.10 × 4 =
  28. 28.35 × 4 =
  29. 29.19 × 4 =
  30. 30.39 × 4 =
  31. 31.16 × 4 =
  32. 32.24 × 4 =
  33. 33.21 × 4 =
  34. 34.36 × 4 =
  35. 35.9 × 4 =
  36. 36.8 × 4 =
  37. 37.27 × 4 =
  38. 38.56 × 4 =
  39. 39.48 × 4 =
  40. 40.38 × 4 =

Answer key

  1. 208
  2. 44
  3. 160
  4. 128
  5. 200
  6. 236
  7. 60
  8. 196
  9. 176
  10. 56
  11. 180
  12. 80
  13. 72
  14. 88
  15. 100
  16. 216
  17. 188
  18. 104
  19. 228
  20. 168
  21. 220
  22. 68
  23. 136
  24. 232
  25. 132
  26. 28
  27. 40
  28. 140
  29. 76
  30. 156
  31. 64
  32. 96
  33. 84
  34. 144
  35. 36
  36. 32
  37. 108
  38. 224
  39. 192
  40. 152

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