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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 245 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.23 × 4 =
  2. 2.15 × 4 =
  3. 3.39 × 4 =
  4. 4.54 × 4 =
  5. 5.44 × 4 =
  6. 6.30 × 4 =
  7. 7.42 × 4 =
  8. 8.9 × 4 =
  9. 9.7 × 4 =
  10. 10.46 × 4 =
  11. 11.21 × 4 =
  12. 12.35 × 4 =
  13. 13.53 × 4 =
  14. 14.28 × 4 =
  15. 15.19 × 4 =
  16. 16.14 × 4 =
  17. 17.6 × 4 =
  18. 18.57 × 4 =
  19. 19.33 × 4 =
  20. 20.31 × 4 =
  21. 21.49 × 4 =
  22. 22.13 × 4 =
  23. 23.56 × 4 =
  24. 24.25 × 4 =
  25. 25.34 × 4 =
  26. 26.12 × 4 =
  27. 27.10 × 4 =
  28. 28.18 × 4 =
  29. 29.22 × 4 =
  30. 30.40 × 4 =
  31. 31.41 × 4 =
  32. 32.20 × 4 =
  33. 33.36 × 4 =
  34. 34.43 × 4 =
  35. 35.50 × 4 =
  36. 36.45 × 4 =
  37. 37.51 × 4 =
  38. 38.55 × 4 =
  39. 39.26 × 4 =
  40. 40.38 × 4 =

Answer key

  1. 92
  2. 60
  3. 156
  4. 216
  5. 176
  6. 120
  7. 168
  8. 36
  9. 28
  10. 184
  11. 84
  12. 140
  13. 212
  14. 112
  15. 76
  16. 56
  17. 24
  18. 228
  19. 132
  20. 124
  21. 196
  22. 52
  23. 224
  24. 100
  25. 136
  26. 48
  27. 40
  28. 72
  29. 88
  30. 160
  31. 164
  32. 80
  33. 144
  34. 172
  35. 200
  36. 180
  37. 204
  38. 220
  39. 104
  40. 152

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