Provided content. One ball on a Plinko board is unpredictable. Drop a thousand and they form a near-perfect bell curve—one of math’s most powerful ideas for 150+ years.

By explicitly modeling each step of a problem and gradually fading away supports, teachers can give students a clear path to mastering new content.

Explore major math functions like sine, cosine, and tangent! Learn to graph trigonometric functions and understand key concepts. Perfect for math students and anyone curious about trigonometry. Judge ...

What if you could transform hours of tedious spreadsheet work into just minutes of streamlined efficiency? Simon Sez IT takes a closer look at how Excel’s most powerful functions can transform the way ...

The New York State Education Department is pushing new math guidelines, including a recommendation that teachers stop giving timed quizzes — because it stresses students out. The new guidelines also ...

The FIND function allows you to find a text string within another. It returns the position at which a character or string begins within another text string. The output of the above function will be 5, ...

A function is a relation such that for each \(x\)-value there is only one corresponding \(y\)-value. In other words, a function cannot contain two different ordered pairs with the same first ...

A student takes a math class to study for the STAAR state standardized tests in this archive photo. Ron Jenkins Star-Telegram file photo Are you an accountant who plugs functions into spreadsheets to ...

Functions are fundamental in mathematics, describing relationships between inputs and outputs. For instance, linear functions are used to describe proportional relationships such as calculating cost ...