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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 948 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.44 × 4 =
  2. 2.59 × 4 =
  3. 3.10 × 4 =
  4. 4.25 × 4 =
  5. 5.11 × 4 =
  6. 6.56 × 4 =
  7. 7.18 × 4 =
  8. 8.50 × 4 =
  9. 9.27 × 4 =
  10. 10.34 × 4 =
  11. 11.55 × 4 =
  12. 12.8 × 4 =
  13. 13.60 × 4 =
  14. 14.57 × 4 =
  15. 15.35 × 4 =
  16. 16.28 × 4 =
  17. 17.42 × 4 =
  18. 18.26 × 4 =
  19. 19.36 × 4 =
  20. 20.41 × 4 =
  21. 21.51 × 4 =
  22. 22.13 × 4 =
  23. 23.23 × 4 =
  24. 24.7 × 4 =
  25. 25.47 × 4 =
  26. 26.15 × 4 =
  27. 27.53 × 4 =
  28. 28.40 × 4 =
  29. 29.21 × 4 =
  30. 30.37 × 4 =
  31. 31.43 × 4 =
  32. 32.20 × 4 =
  33. 33.16 × 4 =
  34. 34.12 × 4 =
  35. 35.49 × 4 =
  36. 36.19 × 4 =
  37. 37.52 × 4 =
  38. 38.29 × 4 =
  39. 39.31 × 4 =
  40. 40.13 × 4 =

Answer key

  1. 176
  2. 236
  3. 40
  4. 100
  5. 44
  6. 224
  7. 72
  8. 200
  9. 108
  10. 136
  11. 220
  12. 32
  13. 240
  14. 228
  15. 140
  16. 112
  17. 168
  18. 104
  19. 144
  20. 164
  21. 204
  22. 52
  23. 92
  24. 28
  25. 188
  26. 60
  27. 212
  28. 160
  29. 84
  30. 148
  31. 172
  32. 80
  33. 64
  34. 48
  35. 196
  36. 76
  37. 208
  38. 116
  39. 124
  40. 52

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