What Should 9th Graders Know?
What Should 9th Graders Know? Ninth grade students will cover topics such as real numbers, rational and irrational numbers, integers, variables, exponents and powers, scientific notation, lines, slopes, the Pythagorean Theorem, graphing, and using equations to solve problems. What should a 9th grader know in math? 9th grade math usually focuses on Algebra I, but