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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 834 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.22 × 4 =
  2. 2.44 × 4 =
  3. 3.39 × 4 =
  4. 4.24 × 4 =
  5. 5.15 × 4 =
  6. 6.59 × 4 =
  7. 7.23 × 4 =
  8. 8.6 × 4 =
  9. 9.45 × 4 =
  10. 10.55 × 4 =
  11. 11.16 × 4 =
  12. 12.51 × 4 =
  13. 13.11 × 4 =
  14. 14.35 × 4 =
  15. 15.57 × 4 =
  16. 16.8 × 4 =
  17. 17.46 × 4 =
  18. 18.30 × 4 =
  19. 19.56 × 4 =
  20. 20.36 × 4 =
  21. 21.32 × 4 =
  22. 22.26 × 4 =
  23. 23.31 × 4 =
  24. 24.41 × 4 =
  25. 25.43 × 4 =
  26. 26.53 × 4 =
  27. 27.60 × 4 =
  28. 28.9 × 4 =
  29. 29.33 × 4 =
  30. 30.21 × 4 =
  31. 31.7 × 4 =
  32. 32.54 × 4 =
  33. 33.25 × 4 =
  34. 34.17 × 4 =
  35. 35.28 × 4 =
  36. 36.42 × 4 =
  37. 37.29 × 4 =
  38. 38.48 × 4 =
  39. 39.10 × 4 =
  40. 40.27 × 4 =

Answer key

  1. 88
  2. 176
  3. 156
  4. 96
  5. 60
  6. 236
  7. 92
  8. 24
  9. 180
  10. 220
  11. 64
  12. 204
  13. 44
  14. 140
  15. 228
  16. 32
  17. 184
  18. 120
  19. 224
  20. 144
  21. 128
  22. 104
  23. 124
  24. 164
  25. 172
  26. 212
  27. 240
  28. 36
  29. 132
  30. 84
  31. 28
  32. 216
  33. 100
  34. 68
  35. 112
  36. 168
  37. 116
  38. 192
  39. 40
  40. 108

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