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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 692 · 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. 2.56 × 4 =
  3. 3.25 × 4 =
  4. 4.6 × 4 =
  5. 5.35 × 4 =
  6. 6.43 × 4 =
  7. 7.32 × 4 =
  8. 8.34 × 4 =
  9. 9.10 × 4 =
  10. 10.45 × 4 =
  11. 11.36 × 4 =
  12. 12.46 × 4 =
  13. 13.20 × 4 =
  14. 14.44 × 4 =
  15. 15.9 × 4 =
  16. 16.48 × 4 =
  17. 17.28 × 4 =
  18. 18.39 × 4 =
  19. 19.38 × 4 =
  20. 20.24 × 4 =
  21. 21.51 × 4 =
  22. 22.59 × 4 =
  23. 23.53 × 4 =
  24. 24.16 × 4 =
  25. 25.12 × 4 =
  26. 26.22 × 4 =
  27. 27.52 × 4 =
  28. 28.49 × 4 =
  29. 29.37 × 4 =
  30. 30.47 × 4 =
  31. 31.13 × 4 =
  32. 32.57 × 4 =
  33. 33.50 × 4 =
  34. 34.55 × 4 =
  35. 35.58 × 4 =
  36. 36.54 × 4 =
  37. 37.27 × 4 =
  38. 38.7 × 4 =
  39. 39.17 × 4 =
  40. 40.21 × 4 =

Answer key

  1. 92
  2. 224
  3. 100
  4. 24
  5. 140
  6. 172
  7. 128
  8. 136
  9. 40
  10. 180
  11. 144
  12. 184
  13. 80
  14. 176
  15. 36
  16. 192
  17. 112
  18. 156
  19. 152
  20. 96
  21. 204
  22. 236
  23. 212
  24. 64
  25. 48
  26. 88
  27. 208
  28. 196
  29. 148
  30. 188
  31. 52
  32. 228
  33. 200
  34. 220
  35. 232
  36. 216
  37. 108
  38. 28
  39. 68
  40. 84

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