Count backward from 67. What numbers come next?

67, ___, ___, ___

Count backward from 15. What numbers come next?

15, ___, ___, ___

Count backward from 42. What numbers come next?

42, ___, ___, ___

Count backward from 28. What numbers come next?

28, ___, ___, ___

Count backward from 47. What numbers come next?

47, ___, ___, ___

Count backward from 90. What numbers come next?

90, ___, ___, ___

Count backward from 81. What numbers come next?

81, ___, ___, ___

Count backward from 61. What numbers come next?

61, ___, ___, ___

Count backward from 75. What numbers come next?

75, ___, ___, ___

Count backward from 23. What numbers come next?

23, ___, ___, ___

Count backward from 55. What numbers come next?

55, ___, ___, ___

Count backward from 31. What numbers come next?

31, ___, ___, ___

Count backward from 34. What numbers come next?

34, ___, ___, ___

Count backward from 99. What numbers come next?

99, ___, ___, ___

Count backward from 50. What numbers come next?

50, ___, ___, ___