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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 651 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.17 × 4 =
  2. 2.22 × 4 =
  3. 3.25 × 4 =
  4. 4.43 × 4 =
  5. 5.21 × 4 =
  6. 6.60 × 4 =
  7. 7.56 × 4 =
  8. 8.30 × 4 =
  9. 9.52 × 4 =
  10. 10.34 × 4 =
  11. 11.57 × 4 =
  12. 12.11 × 4 =
  13. 13.16 × 4 =
  14. 14.28 × 4 =
  15. 15.46 × 4 =
  16. 16.7 × 4 =
  17. 17.45 × 4 =
  18. 18.55 × 4 =
  19. 19.12 × 4 =
  20. 20.51 × 4 =
  21. 21.59 × 4 =
  22. 22.50 × 4 =
  23. 23.23 × 4 =
  24. 24.19 × 4 =
  25. 25.41 × 4 =
  26. 26.20 × 4 =
  27. 27.36 × 4 =
  28. 28.14 × 4 =
  29. 29.32 × 4 =
  30. 30.49 × 4 =
  31. 31.40 × 4 =
  32. 32.27 × 4 =
  33. 33.39 × 4 =
  34. 34.47 × 4 =
  35. 35.13 × 4 =
  36. 36.18 × 4 =
  37. 37.15 × 4 =
  38. 38.24 × 4 =
  39. 39.9 × 4 =
  40. 40.54 × 4 =

Answer key

  1. 68
  2. 88
  3. 100
  4. 172
  5. 84
  6. 240
  7. 224
  8. 120
  9. 208
  10. 136
  11. 228
  12. 44
  13. 64
  14. 112
  15. 184
  16. 28
  17. 180
  18. 220
  19. 48
  20. 204
  21. 236
  22. 200
  23. 92
  24. 76
  25. 164
  26. 80
  27. 144
  28. 56
  29. 128
  30. 196
  31. 160
  32. 108
  33. 156
  34. 188
  35. 52
  36. 72
  37. 60
  38. 96
  39. 36
  40. 216

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