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Teastas Sóisearach

### Latest Videos & Notes

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99 Videos & Notes
• How to Solve Inequalities (NancyPi)
• Halves and fourths | Geometry | Early Math | Khan Academy
• How to Square an Algebraic Expression
In this video I show you the easiest way to square an algebraic expression, also known as squaring the brackets or squaring the parentheses. There are many ways to do this but in my opinion this is the easiest for anybody who is good at maths. If you find maths difficult then there are other ways that may be easier for you. Website: https://www.simplescienceandmaths.com Facebook: https://www.facebook.com/simplescienceandmaths Credits: Kevin MacLeod: Carefree
• Junior Cert Constructions (1-15)
This is a video showing constructions 1-15 as you will be required to know for your junior cert on the new project maths course. I hope you find it helpful.
• Algebra 1 - Defining Sets
One of the most fundamental concepts in Algebra is the concept of a set. This video introduces the concept of a set and various methods for defining sets.
• Trigonometry Word Problem - Boat and Cliff
In this video I go through a typical exam question where a person is on top a cliff and sees a boat in the water. Typically you are given the height of the cliff and the angle of depression to the boat and are asked to calculate how far the boat is from the base of the cliff. Credit: Patrick Maye
• How to use the Cosine Rule Formula
In this video I go through two basic questions using the cosine rule. The first is a question where you are required to find an unknown side and in the second you are asked for an unknown angle. Credit: Patrick Maye (Maths Teacher)
• How to find points of Intersection of a line and a circle
In this video I show you how to find the points of intersection of a line and a circle. Credit: Patrick Maye (Maths Teacher)
• The Sum of Two Cubes Example
In this video I show you a more difficult example of the sum of two cubes. (Simple Science and Maths on Youtube)
• How to use the Difference of Two Cubes
In this video I will show you how to use the difference of two cubes to factorise an algebraic expression. Credits: Kevin MacLeod: Who Likes to Party Kevin MacLeod: Monkeys Spinning Monkeys Kevin MacLeod: River Valley Breakdown
• How to do the Difference of Two Squares
In this video I show you how to factorise (factorize) using the difference of two squares method. One easy example and one example that is more difficult. Credits: Kevin MacLeod: Who Likes to Party Kevin MacLeod: Monkeys Spinning Monkeys Kevin MacLeod: River Valley Breakdown
• Junior Cert Functions Exam Questions, 2015 and 2014
In this video I go through three exam questions on functions from the 2014 and 2015 Junior Cert. Credits: Kevin MacLeod: carefree https://incompetech.com/
• Math is Fun
Math explained in easy language, plus puzzles, games, worksheets and an illustrated dictionary.
• Scientific Notation: Introduction
To see all my Chemistry videos, check out http://socratic.org/chemistry Learn to convert numbers into and out of scientific notation. Scientific notation is a way to express very big and very small numbers with exponents as a power of ten. It is also sometimes called exponential notation. In this video, we will have an explanation and tutorial, and do practice and example problems.