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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 930 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.34 × 4 =
  2. 2.24 × 4 =
  3. 3.14 × 4 =
  4. 4.10 × 4 =
  5. 5.12 × 4 =
  6. 6.27 × 4 =
  7. 7.18 × 4 =
  8. 8.29 × 4 =
  9. 9.53 × 4 =
  10. 10.54 × 4 =
  11. 11.9 × 4 =
  12. 12.56 × 4 =
  13. 13.43 × 4 =
  14. 14.49 × 4 =
  15. 15.55 × 4 =
  16. 16.30 × 4 =
  17. 17.51 × 4 =
  18. 18.58 × 4 =
  19. 19.21 × 4 =
  20. 20.7 × 4 =
  21. 21.50 × 4 =
  22. 22.31 × 4 =
  23. 23.57 × 4 =
  24. 24.37 × 4 =
  25. 25.15 × 4 =
  26. 26.11 × 4 =
  27. 27.45 × 4 =
  28. 28.26 × 4 =
  29. 29.48 × 4 =
  30. 30.47 × 4 =
  31. 31.60 × 4 =
  32. 32.17 × 4 =
  33. 33.44 × 4 =
  34. 34.40 × 4 =
  35. 35.46 × 4 =
  36. 36.32 × 4 =
  37. 37.28 × 4 =
  38. 38.25 × 4 =
  39. 39.41 × 4 =
  40. 40.13 × 4 =

Answer key

  1. 136
  2. 96
  3. 56
  4. 40
  5. 48
  6. 108
  7. 72
  8. 116
  9. 212
  10. 216
  11. 36
  12. 224
  13. 172
  14. 196
  15. 220
  16. 120
  17. 204
  18. 232
  19. 84
  20. 28
  21. 200
  22. 124
  23. 228
  24. 148
  25. 60
  26. 44
  27. 180
  28. 104
  29. 192
  30. 188
  31. 240
  32. 68
  33. 176
  34. 160
  35. 184
  36. 128
  37. 112
  38. 100
  39. 164
  40. 52

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