To use mathematics in everyday life requires that we

Signs of a serious head injury:

A. may not appear for several hours or days B. can be observed within minutes of the injury C. are generally nothing to worry about if the child is able to get up and walk away D. only serious if the child is knocked unconscious

Which of the following statements accurately describes the differences in brain size between men and women?

a. There is no difference in brain size between men and women. b. Men typically have larger brains than women. c. Women typically have larger brains than men. d. There is not enough data to compare brain size differences.

Lower levels of academic achievement of children in U.S. Latino children, especially children of migrant workers and undocumented workers have been associated with which three factors

What will be an ideal response?

Which one of the following is the best example of a mediated learning experience?

a. Ms. O'Brien insists that students sit quietly at their desks before she dismisses them for lunch. b. Mr. James reflects on the lesson he taught earlier in the day. "I suspect that most of my students still don't understand the concepts I was trying to teach them," he thinks. c. Mr. Lucas asks his students to read Chapter 5 in their textbooks over the weekend. "You'll find that the chapter is more challenging than previous ones," he says. d. As Ms. Robinson takes a group of children hiking, she gathers leaves from maple, oak, and elm trees and points out the ways in which the leaves from the trees are distinctly different.