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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 988 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.60 × 4 =
  2. 2.51 × 4 =
  3. 3.18 × 4 =
  4. 4.34 × 4 =
  5. 5.39 × 4 =
  6. 6.12 × 4 =
  7. 7.54 × 4 =
  8. 8.8 × 4 =
  9. 9.20 × 4 =
  10. 10.25 × 4 =
  11. 11.17 × 4 =
  12. 12.58 × 4 =
  13. 13.53 × 4 =
  14. 14.52 × 4 =
  15. 15.35 × 4 =
  16. 16.46 × 4 =
  17. 17.22 × 4 =
  18. 18.16 × 4 =
  19. 19.40 × 4 =
  20. 20.38 × 4 =
  21. 21.41 × 4 =
  22. 22.56 × 4 =
  23. 23.27 × 4 =
  24. 24.19 × 4 =
  25. 25.24 × 4 =
  26. 26.42 × 4 =
  27. 27.6 × 4 =
  28. 28.31 × 4 =
  29. 29.45 × 4 =
  30. 30.44 × 4 =
  31. 31.21 × 4 =
  32. 32.37 × 4 =
  33. 33.28 × 4 =
  34. 34.50 × 4 =
  35. 35.10 × 4 =
  36. 36.14 × 4 =
  37. 37.43 × 4 =
  38. 38.15 × 4 =
  39. 39.23 × 4 =
  40. 40.7 × 4 =

Answer key

  1. 240
  2. 204
  3. 72
  4. 136
  5. 156
  6. 48
  7. 216
  8. 32
  9. 80
  10. 100
  11. 68
  12. 232
  13. 212
  14. 208
  15. 140
  16. 184
  17. 88
  18. 64
  19. 160
  20. 152
  21. 164
  22. 224
  23. 108
  24. 76
  25. 96
  26. 168
  27. 24
  28. 124
  29. 180
  30. 176
  31. 84
  32. 148
  33. 112
  34. 200
  35. 40
  36. 56
  37. 172
  38. 60
  39. 92
  40. 28

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