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Math
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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
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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
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Scatter Graphs: Line of best fit
This video explains how to draw a line of best fit on a scatter graph. Practice question at the end of the end of the video.
For an introduction on scatter graphs/diagrams see our video:
https://youtu.be/Vyg9qmBsgAc
Skip to:
00:00 Introduction
00:26 How to draw a line of best fit on a scatter graph
00:57 Line of best fit: example one
01:14 Line of best fit: example two
01:26 Practice question and answer
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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
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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
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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
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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
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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
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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
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Algebra Worded Problems With Solutions
In this video we explain how to solve algebra worded problems. We explain how to form expressions and equations from worded algebra questions. The video starts off with simple examples, building up to the more complex age problems. Practice questions are provided throughout the video.
This is an updated, 4K version of the original video.
Skip to:
00:00 Introduction
00:19 ‘I think of a number’ example
01:15 Worded algebra example question and solution
01:56 Activity: match the worded algebra question to the expression*
02:17 How to solve an algebra age question
04:48 Algebra worded practice question
*note: we say equation in the video…we mean expression :)
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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
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GCSE Maths Practice Questions: Foundation
This video provides four practice GCSE Maths questions and answers for the foundation tier, non-calculator paper. We also explain how to get full marks for each question.
Skip to:
00:00 Introduction
00:28 GCSE Question 1: Ordering decimals
02:28 GCSE Question 2: Factors
04:02 GCSE Question 3: Number machine
06:14 GCSE Question 4: Angle rules
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Maths Puzzles: Missing Value Shapes (Updated)
This video provides five missing value shape puzzles, designed to develop problem solving and algebraic skills. This is an updated version of our previous video, with a more detailed explanation of how to solve the puzzles.
Check out some of our other videos which may be useful to solve these puzzles:
Skip to:
00:00 Introduction to shapes puzzles
00:18 Puzzle 1: Find the value of the hexagon
01:10 Puzzle 2: Find the value of the star
01:31 Puzzle 3: Find the value of the circle
01:58 Puzzle 4: Find the value of the triangle
02:20 Puzzle 5: Find the value of the square
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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
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Adding and Subtracting Negative and Positive Numbers
In this video we will explain how to add and subtract negative and positive numbers. We also explain why subtracting a negative number results in addition etc and demonstrate these using real world examples as well as on a number line.
This is a link to our YouTube video which you can use during your maths lessons.
Skip to:
0:45 Adding a positive number
1:46 Subtracting a negative number
2:46 Subtracting a positive number
3:34 Adding a negative number
4:17 Summary of sign rules
4:32 Practice questions
We provide free educational maths help videos to learn mathematics for school, exams revision etc. We add new videos to our channel weekly.
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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.
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Interior and Exterior Angles of a Polygon: Video
This video explains how to calculate interior and exterior angles of a polygon.
It also explains how we find the the sum of interior or exterior angles and how to find the number of sides with just an angle provided.
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.
![minitymaths](https://d2w4qhtqw2dbsq.cloudfront.net/profile_live/28743863/small.jpg)
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.
![minitymaths](https://d2w4qhtqw2dbsq.cloudfront.net/profile_live/28743863/small.jpg)
Algebra: Collecting Like Terms & Simplifying
This video will cover collecting like terms and simplifying algebraic expressions. We explain what a “like term” is and how to then collect these terms together to simplifying an expression. We will then explain how to write the expression in its simplest form.
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.
![minitymaths](https://d2w4qhtqw2dbsq.cloudfront.net/profile_live/28743863/small.jpg)
Polygons Video: 2D Shape Properties
This video provides an introduction to Polygons and their properties. Students learn the difference between regular & irregular polygons and the names of these 2D shapes such as pentagon and hexagon.
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.