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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 628 · 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. 2.50 × 4 =
  3. 3.11 × 4 =
  4. 4.46 × 4 =
  5. 5.45 × 4 =
  6. 6.57 × 4 =
  7. 7.27 × 4 =
  8. 8.29 × 4 =
  9. 9.41 × 4 =
  10. 10.21 × 4 =
  11. 11.59 × 4 =
  12. 12.30 × 4 =
  13. 13.43 × 4 =
  14. 14.48 × 4 =
  15. 15.34 × 4 =
  16. 16.58 × 4 =
  17. 17.55 × 4 =
  18. 18.28 × 4 =
  19. 19.31 × 4 =
  20. 20.19 × 4 =
  21. 21.15 × 4 =
  22. 22.10 × 4 =
  23. 23.32 × 4 =
  24. 24.51 × 4 =
  25. 25.56 × 4 =
  26. 26.7 × 4 =
  27. 27.24 × 4 =
  28. 28.12 × 4 =
  29. 29.54 × 4 =
  30. 30.18 × 4 =
  31. 31.42 × 4 =
  32. 32.39 × 4 =
  33. 33.60 × 4 =
  34. 34.14 × 4 =
  35. 35.49 × 4 =
  36. 36.38 × 4 =
  37. 37.53 × 4 =
  38. 38.8 × 4 =
  39. 39.37 × 4 =
  40. 40.13 × 4 =

Answer key

  1. 92
  2. 200
  3. 44
  4. 184
  5. 180
  6. 228
  7. 108
  8. 116
  9. 164
  10. 84
  11. 236
  12. 120
  13. 172
  14. 192
  15. 136
  16. 232
  17. 220
  18. 112
  19. 124
  20. 76
  21. 60
  22. 40
  23. 128
  24. 204
  25. 224
  26. 28
  27. 96
  28. 48
  29. 216
  30. 72
  31. 168
  32. 156
  33. 240
  34. 56
  35. 196
  36. 152
  37. 212
  38. 32
  39. 148
  40. 52

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