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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 750 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.25 × 4 =
  2. 2.34 × 4 =
  3. 3.27 × 4 =
  4. 4.59 × 4 =
  5. 5.35 × 4 =
  6. 6.19 × 4 =
  7. 7.37 × 4 =
  8. 8.47 × 4 =
  9. 9.40 × 4 =
  10. 10.50 × 4 =
  11. 11.39 × 4 =
  12. 12.9 × 4 =
  13. 13.26 × 4 =
  14. 14.51 × 4 =
  15. 15.24 × 4 =
  16. 16.20 × 4 =
  17. 17.28 × 4 =
  18. 18.41 × 4 =
  19. 19.23 × 4 =
  20. 20.43 × 4 =
  21. 21.12 × 4 =
  22. 22.42 × 4 =
  23. 23.58 × 4 =
  24. 24.29 × 4 =
  25. 25.22 × 4 =
  26. 26.56 × 4 =
  27. 27.36 × 4 =
  28. 28.48 × 4 =
  29. 29.54 × 4 =
  30. 30.17 × 4 =
  31. 31.8 × 4 =
  32. 32.14 × 4 =
  33. 33.53 × 4 =
  34. 34.46 × 4 =
  35. 35.30 × 4 =
  36. 36.7 × 4 =
  37. 37.16 × 4 =
  38. 38.55 × 4 =
  39. 39.45 × 4 =
  40. 40.44 × 4 =

Answer key

  1. 100
  2. 136
  3. 108
  4. 236
  5. 140
  6. 76
  7. 148
  8. 188
  9. 160
  10. 200
  11. 156
  12. 36
  13. 104
  14. 204
  15. 96
  16. 80
  17. 112
  18. 164
  19. 92
  20. 172
  21. 48
  22. 168
  23. 232
  24. 116
  25. 88
  26. 224
  27. 144
  28. 192
  29. 216
  30. 68
  31. 32
  32. 56
  33. 212
  34. 184
  35. 120
  36. 28
  37. 64
  38. 220
  39. 180
  40. 176

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