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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 967 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.21 × 4 =
  2. 2.42 × 4 =
  3. 3.7 × 4 =
  4. 4.40 × 4 =
  5. 5.49 × 4 =
  6. 6.60 × 4 =
  7. 7.9 × 4 =
  8. 8.10 × 4 =
  9. 9.28 × 4 =
  10. 10.56 × 4 =
  11. 11.36 × 4 =
  12. 12.29 × 4 =
  13. 13.57 × 4 =
  14. 14.11 × 4 =
  15. 15.27 × 4 =
  16. 16.16 × 4 =
  17. 17.54 × 4 =
  18. 18.50 × 4 =
  19. 19.46 × 4 =
  20. 20.17 × 4 =
  21. 21.13 × 4 =
  22. 22.43 × 4 =
  23. 23.15 × 4 =
  24. 24.58 × 4 =
  25. 25.31 × 4 =
  26. 26.14 × 4 =
  27. 27.32 × 4 =
  28. 28.12 × 4 =
  29. 29.55 × 4 =
  30. 30.22 × 4 =
  31. 31.8 × 4 =
  32. 32.45 × 4 =
  33. 33.48 × 4 =
  34. 34.41 × 4 =
  35. 35.51 × 4 =
  36. 36.47 × 4 =
  37. 37.52 × 4 =
  38. 38.18 × 4 =
  39. 39.35 × 4 =
  40. 40.44 × 4 =

Answer key

  1. 84
  2. 168
  3. 28
  4. 160
  5. 196
  6. 240
  7. 36
  8. 40
  9. 112
  10. 224
  11. 144
  12. 116
  13. 228
  14. 44
  15. 108
  16. 64
  17. 216
  18. 200
  19. 184
  20. 68
  21. 52
  22. 172
  23. 60
  24. 232
  25. 124
  26. 56
  27. 128
  28. 48
  29. 220
  30. 88
  31. 32
  32. 180
  33. 192
  34. 164
  35. 204
  36. 188
  37. 208
  38. 72
  39. 140
  40. 176

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