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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 945 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.22 × 4 =
  2. 2.19 × 4 =
  3. 3.42 × 4 =
  4. 4.16 × 4 =
  5. 5.40 × 4 =
  6. 6.31 × 4 =
  7. 7.57 × 4 =
  8. 8.49 × 4 =
  9. 9.46 × 4 =
  10. 10.60 × 4 =
  11. 11.50 × 4 =
  12. 12.20 × 4 =
  13. 13.30 × 4 =
  14. 14.14 × 4 =
  15. 15.35 × 4 =
  16. 16.23 × 4 =
  17. 17.55 × 4 =
  18. 18.10 × 4 =
  19. 19.13 × 4 =
  20. 20.45 × 4 =
  21. 21.37 × 4 =
  22. 22.28 × 4 =
  23. 23.33 × 4 =
  24. 24.59 × 4 =
  25. 25.25 × 4 =
  26. 26.21 × 4 =
  27. 27.39 × 4 =
  28. 28.11 × 4 =
  29. 29.38 × 4 =
  30. 30.8 × 4 =
  31. 31.54 × 4 =
  32. 32.6 × 4 =
  33. 33.43 × 4 =
  34. 34.51 × 4 =
  35. 35.17 × 4 =
  36. 36.26 × 4 =
  37. 37.12 × 4 =
  38. 38.52 × 4 =
  39. 39.59 × 4 =
  40. 40.15 × 4 =

Answer key

  1. 88
  2. 76
  3. 168
  4. 64
  5. 160
  6. 124
  7. 228
  8. 196
  9. 184
  10. 240
  11. 200
  12. 80
  13. 120
  14. 56
  15. 140
  16. 92
  17. 220
  18. 40
  19. 52
  20. 180
  21. 148
  22. 112
  23. 132
  24. 236
  25. 100
  26. 84
  27. 156
  28. 44
  29. 152
  30. 32
  31. 216
  32. 24
  33. 172
  34. 204
  35. 68
  36. 104
  37. 48
  38. 208
  39. 236
  40. 60

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