A nurse is teaching a newly hired nurse about motor skill development of school-age clients who are 6 to 12 years old. Which of the following statements by the newly hired nurse demonstrates effective teaching?

A. Counting backward from 20 to 1 is typically expected around age 8, not age 7. B. Dressing and grooming independently are typically expected by age 5 to 6, not exclusive to school age. C. Using tools like a screwdriver is more characteristic of older school-age children, not typical at age 6. D. By age 6, children develop balance and coordination, allowing them to perform activities like jumping rope.