175Uploads
12k+Views
52Downloads
Mathematics
Quadratic Equations: Introduction / Rearranging To Standard Form
This video provides an introduction to quadratic equations; how to identify quadratic equations, how to rearrange them into the standard form, and how to identify the specific terms. A range of practice questions are at the end of the video.
The Quadratic Formula Explained
This video explains how to solve a quadratic equation using the quadratic formula. We also explain what the discriminant is. Practice questions are at the end of the video.
Algebra Basics: Introduction to conventions and sign rules
This video is an updated introduction lesson to the basic concepts you need to learn for algebra covering the basic conventions as well as the sign rules. Practice questions and answers at the end of the video.
Dimensions In Maths
This video explains the different dimensions used in maths in relation to length, width and depth, as well as x, y and z axes. Practice questions are at the end of the video to test your understanding.
Skip to:
00:00 Introduction
00:24 What does dimension mean?
01:02 Zero-dimensional objects
01:23 One-dimensional objects
02:03 Two-dimensional objects
02:49 Three-dimensional objects
03:43 Higher dimensions
03:57 Practice questions and answers
Scatter Graphs: Correlation
This video explains what correlation is and the different types of correlation: positive correlation, negative correlation, strong correlation and weak correlation. Practice questions are at the end of the video.
Check out our other scatter graph videos:
Scatter Graphs Introduction: https://youtu.be/Vyg9qmBsgAc
Scatter Graphs Line Of Best Fit: https://youtu.be/e18KM681cmg
Skip to:
00:00 Introduction
00:26 What is correlation?
01:26 Types of correlation
01:40 Positive correlation
01:57 Strong or weak correlation
02:12 Negative correlation
02:38 No correlation
02:54 Correlation: practice questions and answers
Mean Median Mode and Range Explained (Updated 4K version)
This is an updated version of our video explaining how to find the mean, median, mode and range. Practice questions and answers are at the end of the video.
Skip to:
00:00 Introduction
00:20 How to find the mean
00:52 How to find the median
01:27 How to find the mode
01:52 How to find the range
02:18 Example question
03:23 Practice question
Finding The Area Of A Square Or Rectangle
In this video we explain how to find the area of a square or rectangle; what area is and how to calculate it. Practice questions and answers are at the end of the video.
Skip to:
00:00 Introduction
00:20 What is area
01:25 Area of a rectangle/square examples
01:49 Formula for area
02:29 Practice questions and answers
You may also find the following videos helpful:
Finding the factors of a number: https://youtu.be/pEy8QKEBL_M
Area of a triangle: https://youtu.be/o7oscIeWrw4
Area of a trapezium: https://youtu.be/8TvXQaBACsI
Area of a parallelogram: https://youtu.be/H4Sk6GZju28
Finding the Highest Common Factor
In this video we explain two methods to find the highest common factor (greatest common factor) of two or more numbers: by listing the factors or by prime factorisation. Practice questions and answers are at the end of the video. This is an updated, 4K version of our previous video.
For a refresher on multiples and factors: https://youtu.be/4EkhaETrcnY
For a refresher on prime factors: https://youtu.be/1zagn5okZgM
Skip to:
00:00 Introduction
00:23 What is a common factor and highest common factor
00:55 Method one: Listing the factors
01:18 Method two: Prime factorisation
01:50 Example using both methods
02:17 Practice questions and answers
Prime Factors Using The Factor Tree Method
This video explains how to find the prime factors of a number using the factor tree method as well as how to write prime factors in index form. Practice questions and answers are at the end of the video. This is an updated 4K version of our previous video.
For a refresher on:
Multiples and factors: https://youtu.be/pEy8QKEBL_M
Prime numbers: https://youtu.be/CI0sQaQ1tIY
Skip to:
00:00 Intro
00:17 What is a prime factor
00:33 Factor tree method
01:37 Expressing the prime factors in index form
02:22 Practice questions and answers
Mental Maths Multiplication Trick
In this video we explain a mental maths trick for performing multiplication. By assessing the whole question first, short-term memory load can be reduced when doing mental arithmetic. Practice questions and answers are at the end of the video.
Note this tip only works with certain problems but working this way encourages you to assess the question first and become more flexible when working with numbers.
Skip to:
00:00 Introduction
00:18 Multiplication trick example 1
01:31 Multiplication trick example 2
02:17 Multiplication trick practice questions and answers
How To Find The Multiples and Factors Of A Number
In this video we explain how to find the multiples and factors of a number. Practice questions and answers are at the end of the video. Note this is an updated, 4K version of our previous video.
For our video about how to find the lowest common multiple: https://youtu.be/RLD3GdouKQk
Prime factors: https://youtu.be/1zagn5okZgM
Skip to:
00:00 Introduction
00:22 What are multiples and how to find the multiples of a number
00:55 What are factors and how to find the factors of a number
02:46 Practice questions and answers
GCSE Maths Practice Questions: Higher
This video provides four practice GCSE Maths questions and answers for the higher tier, non calculator paper. We also explain how to get full marks for each question.
Skip to:
00:00 Introduction
00:30 GCSE practice question one: decimal multiplication
02:17 GCSE practice question two: percentage increase/decrease
04:58 GCSE practice question three: area
07:14 GCSE practice question four: algebra
How To Find The Area Of Compound Shapes
This video explains what compound / composite shapes are and how to find the area of compound shapes. Practice questions and answers are at the end of the video.
Skip to:
00:00 Introduction
00:21 What is a compound shape
00:42 Examples of compound shapes
00:48 How to find the area of a compound shape
01:24 Area of compound shapes: example one
02:15 Area of compound shapes: example two
03:27 Area of compound shapes: practice questions and answers
Order of Operations: BIDMAS|BODMAS|PEDMAS
This video explains what order of operations means and what the acronyms BODMAS, BIDMAS and PEDMAS stand for.
Practice questions are provided at the end of the video.
This is a link to our YouTube video which you can use during your maths lessons.
We provide free educational maths help videos to learn mathematics for school, exams revision etc. We add new videos to our channel weekly.
Pythagoras' Theorem Introduction Lesson: Video
This video provides an introduction to Pythagoras’ Theorem and explains why it is useful to know Pythagoras’ Theorem.
Practice questions are provided at the end of the video.
This is a link to our YouTube video which you can use during your maths lessons.
We provide free educational maths help videos to learn mathematics for school, exams revision etc. We add new videos to our channel weekly.
Algebra Basics Introduction Lesson: Video
This video provides an introduction to the basic concepts students need to learn for algebra such as subtracting a negative number/value or adding a negative number/value.
Practice questions are provided at the end of the video.
This is a link to our YouTube video which you can use during your maths lessons.
We provide free educational maths help videos to learn mathematics for school, exams revision etc. We add new videos to our channel weekly.
Mean, Median, Mode and Range: Statistics Video
This video explains how to find the mean, median, mode and range. There are practice questions at the end of the video.
This is a link to our YouTube video which you can use during your maths lessons.
We provide free educational maths help videos to learn mathematics for school, exams revision etc. We add new videos to our channel weekly.
Video: Finding Equivalent Fractions and Simplifying Fractions
Fractions: This video will explain finding equivalent fractions and simplifying fractions. We also explain what a fraction is. Practice questions are provided at the end of the video.
Video: What Is A Surd | Understanding Surds
This is a link to an animated video explaining what a surd is. This video can be used as part of a wider lesson on surds. Understanding exactly what a surd is, is crucial to learn before moving onto manipulating/simplifying surds.
Video: Simplifying Surds: Multiplication
This video explains what simplifying a surd means and how to simplify surds by multiplication. The three multiplication rules are explained with examples. Practice question at the end of the video.