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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 965 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.50 × 4 =
  2. 2.6 × 4 =
  3. 3.11 × 4 =
  4. 4.29 × 4 =
  5. 5.16 × 4 =
  6. 6.35 × 4 =
  7. 7.46 × 4 =
  8. 8.18 × 4 =
  9. 9.48 × 4 =
  10. 10.30 × 4 =
  11. 11.24 × 4 =
  12. 12.12 × 4 =
  13. 13.28 × 4 =
  14. 14.7 × 4 =
  15. 15.19 × 4 =
  16. 16.23 × 4 =
  17. 17.47 × 4 =
  18. 18.55 × 4 =
  19. 19.43 × 4 =
  20. 20.14 × 4 =
  21. 21.17 × 4 =
  22. 22.44 × 4 =
  23. 23.37 × 4 =
  24. 24.49 × 4 =
  25. 25.10 × 4 =
  26. 26.51 × 4 =
  27. 27.57 × 4 =
  28. 28.9 × 4 =
  29. 29.52 × 4 =
  30. 30.58 × 4 =
  31. 31.13 × 4 =
  32. 32.31 × 4 =
  33. 33.22 × 4 =
  34. 34.25 × 4 =
  35. 35.32 × 4 =
  36. 36.36 × 4 =
  37. 37.39 × 4 =
  38. 38.21 × 4 =
  39. 39.40 × 4 =
  40. 40.15 × 4 =

Answer key

  1. 200
  2. 24
  3. 44
  4. 116
  5. 64
  6. 140
  7. 184
  8. 72
  9. 192
  10. 120
  11. 96
  12. 48
  13. 112
  14. 28
  15. 76
  16. 92
  17. 188
  18. 220
  19. 172
  20. 56
  21. 68
  22. 176
  23. 148
  24. 196
  25. 40
  26. 204
  27. 228
  28. 36
  29. 208
  30. 232
  31. 52
  32. 124
  33. 88
  34. 100
  35. 128
  36. 144
  37. 156
  38. 84
  39. 160
  40. 60

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