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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 913 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.36 × 4 =
  2. 2.21 × 4 =
  3. 3.10 × 4 =
  4. 4.45 × 4 =
  5. 5.51 × 4 =
  6. 6.19 × 4 =
  7. 7.25 × 4 =
  8. 8.34 × 4 =
  9. 9.30 × 4 =
  10. 10.14 × 4 =
  11. 11.20 × 4 =
  12. 12.16 × 4 =
  13. 13.40 × 4 =
  14. 14.56 × 4 =
  15. 15.57 × 4 =
  16. 16.59 × 4 =
  17. 17.38 × 4 =
  18. 18.53 × 4 =
  19. 19.9 × 4 =
  20. 20.58 × 4 =
  21. 21.23 × 4 =
  22. 22.8 × 4 =
  23. 23.50 × 4 =
  24. 24.15 × 4 =
  25. 25.47 × 4 =
  26. 26.37 × 4 =
  27. 27.12 × 4 =
  28. 28.39 × 4 =
  29. 29.6 × 4 =
  30. 30.48 × 4 =
  31. 31.35 × 4 =
  32. 32.29 × 4 =
  33. 33.49 × 4 =
  34. 34.41 × 4 =
  35. 35.7 × 4 =
  36. 36.32 × 4 =
  37. 37.42 × 4 =
  38. 38.54 × 4 =
  39. 39.11 × 4 =
  40. 40.52 × 4 =

Answer key

  1. 144
  2. 84
  3. 40
  4. 180
  5. 204
  6. 76
  7. 100
  8. 136
  9. 120
  10. 56
  11. 80
  12. 64
  13. 160
  14. 224
  15. 228
  16. 236
  17. 152
  18. 212
  19. 36
  20. 232
  21. 92
  22. 32
  23. 200
  24. 60
  25. 188
  26. 148
  27. 48
  28. 156
  29. 24
  30. 192
  31. 140
  32. 116
  33. 196
  34. 164
  35. 28
  36. 128
  37. 168
  38. 216
  39. 44
  40. 208

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