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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 560 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.9 × 4 =
  2. 2.40 × 4 =
  3. 3.10 × 4 =
  4. 4.25 × 4 =
  5. 5.42 × 4 =
  6. 6.41 × 4 =
  7. 7.59 × 4 =
  8. 8.57 × 4 =
  9. 9.19 × 4 =
  10. 10.26 × 4 =
  11. 11.36 × 4 =
  12. 12.55 × 4 =
  13. 13.53 × 4 =
  14. 14.51 × 4 =
  15. 15.6 × 4 =
  16. 16.35 × 4 =
  17. 17.33 × 4 =
  18. 18.43 × 4 =
  19. 19.46 × 4 =
  20. 20.44 × 4 =
  21. 21.18 × 4 =
  22. 22.8 × 4 =
  23. 23.27 × 4 =
  24. 24.16 × 4 =
  25. 25.15 × 4 =
  26. 26.7 × 4 =
  27. 27.32 × 4 =
  28. 28.52 × 4 =
  29. 29.39 × 4 =
  30. 30.14 × 4 =
  31. 31.45 × 4 =
  32. 32.56 × 4 =
  33. 33.50 × 4 =
  34. 34.17 × 4 =
  35. 35.12 × 4 =
  36. 36.21 × 4 =
  37. 37.24 × 4 =
  38. 38.54 × 4 =
  39. 39.30 × 4 =
  40. 40.34 × 4 =

Answer key

  1. 36
  2. 160
  3. 40
  4. 100
  5. 168
  6. 164
  7. 236
  8. 228
  9. 76
  10. 104
  11. 144
  12. 220
  13. 212
  14. 204
  15. 24
  16. 140
  17. 132
  18. 172
  19. 184
  20. 176
  21. 72
  22. 32
  23. 108
  24. 64
  25. 60
  26. 28
  27. 128
  28. 208
  29. 156
  30. 56
  31. 180
  32. 224
  33. 200
  34. 68
  35. 48
  36. 84
  37. 96
  38. 216
  39. 120
  40. 136

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