Sine, cosine, and tangent by Sal Khan at Khan Academy
Category: Math
News brief: Mathcounts state competition
Three, two, one, go! Eighth grader Melissa Krainer will be traveling to Harrisburg, Pa. to compete in the state Mathcounts competition Saturday, March 19! Krainer placed third out of 33 competitors in the chapter competition three weeks ago. Mathcounts is for sixth, seventh and eighth graders interested in math. It is not for the faint...
Intro to Trigonometry
Sine, cosine, and tangent by Sal Khan at Khan Academy
Intro to Trigonometry
Sine, cosine, and tangent by Sal Khan at Khan Academy
Learning Algebra in Easy Steps
From Sciencing’s Lisa Maloney. Algebra is one subject in math that will serve you well no matter what you do. Even something as seemingly simple as figuring out what size an object can be in your room isn’t always obvious. Algebra can save you a lot of time and headaches.
Calculus for 5th Graders
Calculus is one of the more intimidating ideas in mathematics, but at its root it’s just about change. Continuous change. For example, a staircase has a changing slope, but because it is composed of right angles we can use algebra to figure things out. The same applies for a ramp–it’s at an angle, but it’s...
Beginner’s Guide to Statistics
Statistics is not always taught until college, but even a basic understanding is useful in everyday life. Whether it’s understanding sports performance or how much faith to put in an election poll, statistics are immensely useful. In fact, we couldn’t run this site without it! ThoughtCo has prepared a really well-written primer here.
High School Geometry
Once again, Khan Academy has some of the best information out there.
How to Study for a Math Test
“When I was a student and teachers would say, “Study for your math test!” I would think, “How do I study for a math test?” I now realize that study is the wrong verb. You really need to ‘practice’ for a math test.” Great tips from StudySkills.com found here.