Final answer:
For a 6 year old boy, the appropriate CDC growth charts to use are the stature for age and weight for age charts to assess proper growth.
Step-by-step explanation:
The correct CDC growth charts to use for assessing the growth of a 6 year old boy in a child care center are stature for age and weight for age. At this age, length for age is not appropriate as it is used for children less than 2 years old. Stature for age is used for measuring height for older children when they are capable of standing. The weight for stature chart is typically used only for children from 2 years old to 5 years old. Therefore, for a 6 year old boy, it is best to monitor his growth by looking at both his weight for age and stature for age charts to ensure he is growing properly.