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?

"Children are expected to count backwards from 20 to 1 by age 7."

"By age 6, most children can dress and groom themselves.

"By age 6, most children can use tools such as a screwdriver or hammer."

"Children engage in motor activities that require balance such as jumping rope by age 6.