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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 931 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.41 × 4 =
  2. 2.18 × 4 =
  3. 3.9 × 4 =
  4. 4.12 × 4 =
  5. 5.14 × 4 =
  6. 6.40 × 4 =
  7. 7.21 × 4 =
  8. 8.54 × 4 =
  9. 9.19 × 4 =
  10. 10.31 × 4 =
  11. 11.59 × 4 =
  12. 12.45 × 4 =
  13. 13.32 × 4 =
  14. 14.17 × 4 =
  15. 15.53 × 4 =
  16. 16.49 × 4 =
  17. 17.51 × 4 =
  18. 18.23 × 4 =
  19. 19.42 × 4 =
  20. 20.6 × 4 =
  21. 21.22 × 4 =
  22. 22.33 × 4 =
  23. 23.34 × 4 =
  24. 24.7 × 4 =
  25. 25.44 × 4 =
  26. 26.48 × 4 =
  27. 27.25 × 4 =
  28. 28.29 × 4 =
  29. 29.30 × 4 =
  30. 30.15 × 4 =
  31. 31.36 × 4 =
  32. 32.52 × 4 =
  33. 33.16 × 4 =
  34. 34.8 × 4 =
  35. 35.38 × 4 =
  36. 36.57 × 4 =
  37. 37.39 × 4 =
  38. 38.55 × 4 =
  39. 39.13 × 4 =
  40. 40.28 × 4 =

Answer key

  1. 164
  2. 72
  3. 36
  4. 48
  5. 56
  6. 160
  7. 84
  8. 216
  9. 76
  10. 124
  11. 236
  12. 180
  13. 128
  14. 68
  15. 212
  16. 196
  17. 204
  18. 92
  19. 168
  20. 24
  21. 88
  22. 132
  23. 136
  24. 28
  25. 176
  26. 192
  27. 100
  28. 116
  29. 120
  30. 60
  31. 144
  32. 208
  33. 64
  34. 32
  35. 152
  36. 228
  37. 156
  38. 220
  39. 52
  40. 112

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