Decide whether each statement is true or false. If true, explain why. If false, provide a counterexample. All rational numbers are integers. The absolute value of a number is always positive. Write an ...

The poster of a grimacing Muhammad Ali stares down at the students in Jeff Bagford's pre-algebra class at Harney Middle School. "Nothing is impossible" is the poster's message, spelled out in big ...

Higher math failure isn't just a high school phenomenon in the Clark County School District. End-of-semester exam results show that most district eighth-graders also lack the necessary skills to show ...