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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 927 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.42 × 4 =
  2. 2.30 × 4 =
  3. 3.45 × 4 =
  4. 4.56 × 4 =
  5. 5.59 × 4 =
  6. 6.43 × 4 =
  7. 7.6 × 4 =
  8. 8.20 × 4 =
  9. 9.54 × 4 =
  10. 10.51 × 4 =
  11. 11.22 × 4 =
  12. 12.38 × 4 =
  13. 13.55 × 4 =
  14. 14.14 × 4 =
  15. 15.16 × 4 =
  16. 16.19 × 4 =
  17. 17.58 × 4 =
  18. 18.39 × 4 =
  19. 19.46 × 4 =
  20. 20.52 × 4 =
  21. 21.18 × 4 =
  22. 22.26 × 4 =
  23. 23.49 × 4 =
  24. 24.12 × 4 =
  25. 25.7 × 4 =
  26. 26.23 × 4 =
  27. 27.31 × 4 =
  28. 28.41 × 4 =
  29. 29.40 × 4 =
  30. 30.36 × 4 =
  31. 31.48 × 4 =
  32. 32.47 × 4 =
  33. 33.34 × 4 =
  34. 34.35 × 4 =
  35. 35.15 × 4 =
  36. 36.9 × 4 =
  37. 37.17 × 4 =
  38. 38.11 × 4 =
  39. 39.13 × 4 =
  40. 40.28 × 4 =

Answer key

  1. 168
  2. 120
  3. 180
  4. 224
  5. 236
  6. 172
  7. 24
  8. 80
  9. 216
  10. 204
  11. 88
  12. 152
  13. 220
  14. 56
  15. 64
  16. 76
  17. 232
  18. 156
  19. 184
  20. 208
  21. 72
  22. 104
  23. 196
  24. 48
  25. 28
  26. 92
  27. 124
  28. 164
  29. 160
  30. 144
  31. 192
  32. 188
  33. 136
  34. 140
  35. 60
  36. 36
  37. 68
  38. 44
  39. 52
  40. 112

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