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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 670 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.8 × 4 =
  2. 2.18 × 4 =
  3. 3.15 × 4 =
  4. 4.53 × 4 =
  5. 5.36 × 4 =
  6. 6.43 × 4 =
  7. 7.50 × 4 =
  8. 8.49 × 4 =
  9. 9.23 × 4 =
  10. 10.20 × 4 =
  11. 11.11 × 4 =
  12. 12.28 × 4 =
  13. 13.60 × 4 =
  14. 14.52 × 4 =
  15. 15.46 × 4 =
  16. 16.51 × 4 =
  17. 17.7 × 4 =
  18. 18.31 × 4 =
  19. 19.48 × 4 =
  20. 20.45 × 4 =
  21. 21.14 × 4 =
  22. 22.34 × 4 =
  23. 23.10 × 4 =
  24. 24.55 × 4 =
  25. 25.6 × 4 =
  26. 26.33 × 4 =
  27. 27.41 × 4 =
  28. 28.59 × 4 =
  29. 29.35 × 4 =
  30. 30.58 × 4 =
  31. 31.57 × 4 =
  32. 32.25 × 4 =
  33. 33.40 × 4 =
  34. 34.9 × 4 =
  35. 35.32 × 4 =
  36. 36.27 × 4 =
  37. 37.37 × 4 =
  38. 38.26 × 4 =
  39. 39.56 × 4 =
  40. 40.24 × 4 =

Answer key

  1. 32
  2. 72
  3. 60
  4. 212
  5. 144
  6. 172
  7. 200
  8. 196
  9. 92
  10. 80
  11. 44
  12. 112
  13. 240
  14. 208
  15. 184
  16. 204
  17. 28
  18. 124
  19. 192
  20. 180
  21. 56
  22. 136
  23. 40
  24. 220
  25. 24
  26. 132
  27. 164
  28. 236
  29. 140
  30. 232
  31. 228
  32. 100
  33. 160
  34. 36
  35. 128
  36. 108
  37. 148
  38. 104
  39. 224
  40. 96

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