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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 987 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.53 × 4 =
  2. 2.31 × 4 =
  3. 3.17 × 4 =
  4. 4.13 × 4 =
  5. 5.42 × 4 =
  6. 6.36 × 4 =
  7. 7.58 × 4 =
  8. 8.46 × 4 =
  9. 9.59 × 4 =
  10. 10.25 × 4 =
  11. 11.47 × 4 =
  12. 12.27 × 4 =
  13. 13.30 × 4 =
  14. 14.29 × 4 =
  15. 15.21 × 4 =
  16. 16.8 × 4 =
  17. 17.34 × 4 =
  18. 18.16 × 4 =
  19. 19.15 × 4 =
  20. 20.44 × 4 =
  21. 21.43 × 4 =
  22. 22.28 × 4 =
  23. 23.20 × 4 =
  24. 24.40 × 4 =
  25. 25.37 × 4 =
  26. 26.55 × 4 =
  27. 27.54 × 4 =
  28. 28.56 × 4 =
  29. 29.52 × 4 =
  30. 30.35 × 4 =
  31. 31.11 × 4 =
  32. 32.57 × 4 =
  33. 33.7 × 4 =
  34. 34.49 × 4 =
  35. 35.51 × 4 =
  36. 36.26 × 4 =
  37. 37.50 × 4 =
  38. 38.60 × 4 =
  39. 39.32 × 4 =
  40. 40.22 × 4 =

Answer key

  1. 212
  2. 124
  3. 68
  4. 52
  5. 168
  6. 144
  7. 232
  8. 184
  9. 236
  10. 100
  11. 188
  12. 108
  13. 120
  14. 116
  15. 84
  16. 32
  17. 136
  18. 64
  19. 60
  20. 176
  21. 172
  22. 112
  23. 80
  24. 160
  25. 148
  26. 220
  27. 216
  28. 224
  29. 208
  30. 140
  31. 44
  32. 228
  33. 28
  34. 196
  35. 204
  36. 104
  37. 200
  38. 240
  39. 128
  40. 88

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