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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 947 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.35 × 4 =
  2. 2.58 × 4 =
  3. 3.22 × 4 =
  4. 4.10 × 4 =
  5. 5.60 × 4 =
  6. 6.46 × 4 =
  7. 7.30 × 4 =
  8. 8.28 × 4 =
  9. 9.26 × 4 =
  10. 10.39 × 4 =
  11. 11.23 × 4 =
  12. 12.52 × 4 =
  13. 13.15 × 4 =
  14. 14.11 × 4 =
  15. 15.6 × 4 =
  16. 16.37 × 4 =
  17. 17.19 × 4 =
  18. 18.32 × 4 =
  19. 19.14 × 4 =
  20. 20.7 × 4 =
  21. 21.24 × 4 =
  22. 22.13 × 4 =
  23. 23.41 × 4 =
  24. 24.33 × 4 =
  25. 25.12 × 4 =
  26. 26.38 × 4 =
  27. 27.55 × 4 =
  28. 28.20 × 4 =
  29. 29.44 × 4 =
  30. 30.59 × 4 =
  31. 31.53 × 4 =
  32. 32.25 × 4 =
  33. 33.36 × 4 =
  34. 34.42 × 4 =
  35. 35.56 × 4 =
  36. 36.47 × 4 =
  37. 37.51 × 4 =
  38. 38.50 × 4 =
  39. 39.27 × 4 =
  40. 40.54 × 4 =

Answer key

  1. 140
  2. 232
  3. 88
  4. 40
  5. 240
  6. 184
  7. 120
  8. 112
  9. 104
  10. 156
  11. 92
  12. 208
  13. 60
  14. 44
  15. 24
  16. 148
  17. 76
  18. 128
  19. 56
  20. 28
  21. 96
  22. 52
  23. 164
  24. 132
  25. 48
  26. 152
  27. 220
  28. 80
  29. 176
  30. 236
  31. 212
  32. 100
  33. 144
  34. 168
  35. 224
  36. 188
  37. 204
  38. 200
  39. 108
  40. 216

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