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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 957 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.41 × 4 =
  2. 2.15 × 4 =
  3. 3.45 × 4 =
  4. 4.32 × 4 =
  5. 5.42 × 4 =
  6. 6.12 × 4 =
  7. 7.59 × 4 =
  8. 8.25 × 4 =
  9. 9.36 × 4 =
  10. 10.8 × 4 =
  11. 11.50 × 4 =
  12. 12.47 × 4 =
  13. 13.9 × 4 =
  14. 14.20 × 4 =
  15. 15.7 × 4 =
  16. 16.19 × 4 =
  17. 17.55 × 4 =
  18. 18.10 × 4 =
  19. 19.35 × 4 =
  20. 20.52 × 4 =
  21. 21.37 × 4 =
  22. 22.6 × 4 =
  23. 23.16 × 4 =
  24. 24.29 × 4 =
  25. 25.56 × 4 =
  26. 26.11 × 4 =
  27. 27.53 × 4 =
  28. 28.58 × 4 =
  29. 29.49 × 4 =
  30. 30.31 × 4 =
  31. 31.30 × 4 =
  32. 32.57 × 4 =
  33. 33.13 × 4 =
  34. 34.28 × 4 =
  35. 35.21 × 4 =
  36. 36.33 × 4 =
  37. 37.39 × 4 =
  38. 38.43 × 4 =
  39. 39.38 × 4 =
  40. 40.34 × 4 =

Answer key

  1. 164
  2. 60
  3. 180
  4. 128
  5. 168
  6. 48
  7. 236
  8. 100
  9. 144
  10. 32
  11. 200
  12. 188
  13. 36
  14. 80
  15. 28
  16. 76
  17. 220
  18. 40
  19. 140
  20. 208
  21. 148
  22. 24
  23. 64
  24. 116
  25. 224
  26. 44
  27. 212
  28. 232
  29. 196
  30. 124
  31. 120
  32. 228
  33. 52
  34. 112
  35. 84
  36. 132
  37. 156
  38. 172
  39. 152
  40. 136

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