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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 16 · 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. 2.56 × 4 =
  3. 3.36 × 4 =
  4. 4.9 × 4 =
  5. 5.23 × 4 =
  6. 6.19 × 4 =
  7. 7.54 × 4 =
  8. 8.20 × 4 =
  9. 9.55 × 4 =
  10. 10.15 × 4 =
  11. 11.35 × 4 =
  12. 12.34 × 4 =
  13. 13.41 × 4 =
  14. 14.11 × 4 =
  15. 15.51 × 4 =
  16. 16.53 × 4 =
  17. 17.48 × 4 =
  18. 18.58 × 4 =
  19. 19.60 × 4 =
  20. 20.30 × 4 =
  21. 21.21 × 4 =
  22. 22.7 × 4 =
  23. 23.6 × 4 =
  24. 24.59 × 4 =
  25. 25.49 × 4 =
  26. 26.50 × 4 =
  27. 27.25 × 4 =
  28. 28.47 × 4 =
  29. 29.10 × 4 =
  30. 30.45 × 4 =
  31. 31.33 × 4 =
  32. 32.12 × 4 =
  33. 33.32 × 4 =
  34. 34.14 × 4 =
  35. 35.43 × 4 =
  36. 36.38 × 4 =
  37. 37.40 × 4 =
  38. 38.8 × 4 =
  39. 39.42 × 4 =
  40. 40.44 × 4 =

Answer key

  1. 88
  2. 224
  3. 144
  4. 36
  5. 92
  6. 76
  7. 216
  8. 80
  9. 220
  10. 60
  11. 140
  12. 136
  13. 164
  14. 44
  15. 204
  16. 212
  17. 192
  18. 232
  19. 240
  20. 120
  21. 84
  22. 28
  23. 24
  24. 236
  25. 196
  26. 200
  27. 100
  28. 188
  29. 40
  30. 180
  31. 132
  32. 48
  33. 128
  34. 56
  35. 172
  36. 152
  37. 160
  38. 32
  39. 168
  40. 176

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