Determine chair rail placement according mathematical formulas used by the Ancient Greeks to determine the perfect number, perfect chord, and points of perfect balance.

Divide height by 5 then use multiples OR Divide by So or for 9 foot ceilings. Determine chair rail placement according mathematical formulas used by the Ancient Greeks to determine the perfect number, perfect chord, and points of perfect balance.

The Mathematics of Beauty    The Fibonacci Sequence is a sequence of numbers where each number is the sum of the previous two—i.e., 0, 1, 1, 2, 3, 5, 8, 13, 21, 34…and so on to infinity. The ratio of one number to the next is approximately 1.61803, which is called “phi”, or the Golden Ratio. It’s not a magical mathematical equation of the universe, but it definitely reflects natural, aesthetically  beautiful patterns.

The Mathematics of Beauty The Fibonacci Sequence is a sequence numbers where each number is the sum of the previous two—i., so on to infinity. The ratio of one number to the next is approximately which is called “phi”, or the Golden Ratio.

Definitely using this as a lesson opener for special right triangles.

Definitely using this as a lesson opener for special right triangles. There's also a link here for intro to trig functions.

Finding your next job: Three things to do before starting - Casting Out Nines - The Chronicle of Higher Education

The inverted calculus course and self-regulated learning - Casting Out Nines - The Chronicle of Higher Education

Mathematics in movies and shows. Show clips to introduce math topics.

Incase I ever teach math again---Mathematics in movies and shows. Show clips to introduce math topics.

“The universe seems to like talking to itself faster than the speed of light,” said Steinberg. “I could understand a universe where nothing can go faster than light, but a universe where the internal workings operate faster than light, and yet we’re forbidden from ever making use of that at the macroscopic level — it’s very hard to understand.”

“The universe seems to like talking to itself faster than the speed of light,” said Steinberg. “I could understand a universe where nothing can go faster than light, but a universe where the internal workings operate faster than light, and yet we’re forbi

A site designed to help anyone gain a solid understanding of basic math concepts.

Basic Mathematics A solid understanding of basic math skills by going in depth into many math topics. Also offers basic math games, calculators, puzzles, and worksheets.

Interactive way to model math problems for elementary and middle school.

Thinking Blocks - Model and Solve Math Word Problems. Good site for Computer Lab when introducing bar model to kids.

Focusing on the Critical Areas of Common Core Math

Teaching and Tapas: Grade in Spain: Focusing on the Critical Areas of Common Core Math

This is the vocabulary my students needed (but were missing) to describe the differences between quadrilaterals. The quadrilateral cut and paste activity really required students to wrestle with the definitions. The activity supports CCSS.Math.3.G.A.1 Understand that shapes in different categories may share attributes, and that the shared attributes can define a larger category. Recognize rhombuses, rectangles, and squares as examples of quadrilaterals.

Geometry Cut and Paste - Math Common Core Standards 3rd, 4th, & 5th

The activity supports Understand that shapes in different categories may share attributes, and that the shared attributes can define a larger category. Recognize rhombuses, rectangles, and squares as examples of quadrilaterals.

Derivatives Infographic - great study guide for main ideas and definition of derivative

Derivative Infographic

Derivatives Infographic - great study guide for main ideas and definition of…

shows in words & pictures various math definitions

Wili the Word Wizard's Math Dictionary is a glossary of important terms that elementary school and middle school students need to know to be successful in their mathematics classes.

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