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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 949 · 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. 2.43 × 4 =
  3. 3.31 × 4 =
  4. 4.10 × 4 =
  5. 5.21 × 4 =
  6. 6.55 × 4 =
  7. 7.22 × 4 =
  8. 8.26 × 4 =
  9. 9.27 × 4 =
  10. 10.34 × 4 =
  11. 11.14 × 4 =
  12. 12.59 × 4 =
  13. 13.52 × 4 =
  14. 14.39 × 4 =
  15. 15.24 × 4 =
  16. 16.37 × 4 =
  17. 17.13 × 4 =
  18. 18.32 × 4 =
  19. 19.6 × 4 =
  20. 20.29 × 4 =
  21. 21.15 × 4 =
  22. 22.42 × 4 =
  23. 23.20 × 4 =
  24. 24.25 × 4 =
  25. 25.35 × 4 =
  26. 26.17 × 4 =
  27. 27.51 × 4 =
  28. 28.12 × 4 =
  29. 29.53 × 4 =
  30. 30.41 × 4 =
  31. 31.23 × 4 =
  32. 32.38 × 4 =
  33. 33.47 × 4 =
  34. 34.7 × 4 =
  35. 35.44 × 4 =
  36. 36.28 × 4 =
  37. 37.57 × 4 =
  38. 38.49 × 4 =
  39. 39.56 × 4 =
  40. 40.9 × 4 =

Answer key

  1. 144
  2. 172
  3. 124
  4. 40
  5. 84
  6. 220
  7. 88
  8. 104
  9. 108
  10. 136
  11. 56
  12. 236
  13. 208
  14. 156
  15. 96
  16. 148
  17. 52
  18. 128
  19. 24
  20. 116
  21. 60
  22. 168
  23. 80
  24. 100
  25. 140
  26. 68
  27. 204
  28. 48
  29. 212
  30. 164
  31. 92
  32. 152
  33. 188
  34. 28
  35. 176
  36. 112
  37. 228
  38. 196
  39. 224
  40. 36

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