Instructional Video5:36
Curated Video

Solving Equations with No Solution, One Solution, or Many Solutions

9th - Higher Ed
This video explores the intriguing world of equations, showcasing how they can lead to straightforward solutions or unexpected contradictions. Viewers are guided through solving equations with no solution, equations with one solution,...
Instructional Video8:34
Curated Video

Mastering One-Step Equations with Multiplication and Division

9th - Higher Ed
Do you need a quick refresher on how to solve one-step equations using multiplication and division? Then this video is for you! I will show you the step-by-step process for solving equations by walking you through several examples using...
Instructional Video2:48
Curated Video

Visualising Algebra Using Rods

3rd - Higher Ed
This video explores a different way to think about and visualise algebra using rods. In this video we use the rods to visually represent unknown values. We explore forming expressions and equations using these rods. There are two...
Instructional Video2:35
Curated Video

Identifying Surds: Test Your Knowledge

3rd - Higher Ed
This video provides a variety of practice questions and answers on the topic of identifying surds.
Instructional Video4:04
Curated Video

Sorting Groups of Equations and Expressions

K - 8th
Sorting Groups of Expressions identifies the differences between equations and expressions by sorting a group of equations and expressions into groups based on the definitions.
Instructional Video5:24
Curated Video

Equations: Fractions and Mixed Numbers

K - 8th
Equations: Fractions and Mixed Numbers solves real-world problems involving multiplication of fractions and mixed numbers by using equations.
Instructional Video4:53
Curated Video

How to Rewrite Equations and Solve Literal Equations for One Variable

9th - Higher Ed
In this video, we explore the concept of literal equations, which involve equations with multiple variables. By following systematic steps such as isolating the variable of interest using properties of equality, we can solve for specific...
Instructional Video4:05
Curated Video

GCSE Physics - Elastic Potential Energy and F = ke Equations #45

9th - Higher Ed
This video covers: - How to use the F = ke equation - What the spring constant k really means (how stiff the object is) - How to use the EPE = 0.5 k e^2 equation (EPE is elastic potential energy) - That the gradient of a force-extension...
Instructional Video3:49
Curated Video

GCSE Physics - Transformer Calculations #83

9th - Higher Ed
This video covers: - Brief overview of how transformers work - How to calculate the voltage and current of the primary and secondary coils, using the number of turn on each coil - Example questions Exam board specific info: AQA -...
Instructional Video4:06
Curated Video

GCSE Physics - Nuclear Decay Equations #34

9th - Higher Ed
This video covers: - What alpha, beta and gamma radiation are - How to write decay equations for them General info: - Suitable for all GCSE and IGCSE courses - Suitable for higher and foundation tiers - Suitable for triple and combined...
Instructional Video5:11
Curated Video

GCSE Chemistry - Alkanes: properties & combustion #52

9th - Higher Ed
In this video, you'll learn: - The properties of alkanes, and the specific trends you can observe as the length of carbon chain increases - The equation for the combustion of alkanes - How to write balanced equations for the combustion...
Instructional Video4:37
Curated Video

GCSE Maths - What Are Simultaneous Equations #60

9th - Higher Ed
This video covers how to solve simultaneous equations. This is where you have two equations that both have 2 unknown variables, like the equations 2a + b = 5 and 3a + 2b = 9. The only way to solve these and find the missing variables (a...
Instructional Video2:26
Curated Video

GCSE Maths - What are Quadratic Graphs? #76

9th - Higher Ed
This video covers: - What quadratic equations are - What quadratic graphs look like - What difference it makes if the x^2 term is positive or negative This video is suitable for maths courses around the world. KS3 - All on your course...
Instructional Video4:27
Curated Video

GCSE Maths - What are Cubic Graphs & How to Plot Them #78

9th - Higher Ed
This video covers: - What a cubic graph is - What a cubic equation looks like - How to fill in a table of x and y coordinates to plot a cubic graph This video is suitable for maths courses around the world. KS3 - Not on your course GCSE...
Instructional Video2:12
Curated Video

GCSE Maths - How to Solve Simultaneous Equations Using Graphs #61

9th - Higher Ed
This video covers how to solve linear simultaneous equations using graphs. One way to solve simultaneous equations is by plotting them both on a graph and finding the point where they cross. The coordinates of this point will be the...
Instructional Video7:34
Curated Video

GCSE Maths - How to Solve Simultaneous Equations - Using the Elimination Technique

9th - Higher Ed
This video covers how to use the elimination technique to solve simultaneous equations. This video is suitable for maths courses around the world. KS3 - All on your course GCSE Foundation - All on your course GCSE Higher - All on your...
Instructional Video3:08
Curated Video

GCSE Maths - How to Solve Algebraic Equations (Part 3 of 3) #45

9th - Higher Ed
This video covers how to solve harder algebraic equations, which only have variable on both sides of the equation and multiple operations. For example 2x + 3 = 5x - 9 This is part 3 of our 3 part series on solving algebraic equations....
Instructional Video5:49
Curated Video

GCSE Maths - How to Solve Algebraic Equations (Part 1 of 3) #43

9th - Higher Ed
This video covers how to solve the simplest algebraic equations, which only involve one operation. This is part 1 of our 3 part series on solving algebraic equations. This video is suitable for maths courses around the world. KS3 - All...
Instructional Video3:14
Curated Video

GCSE Maths - How to Solve a Quadratic by Completing the Square (Part 2 - Solve When a=1) #53

9th - Higher Ed
This video covers how solve quadratics using the 'complete the square' technique. This video is part 2 of our completing the square videos. You can find part 1 here: • GCSE Maths - How to Factorise Quadrat... This video is suitable for...
Instructional Video4:51
Curated Video

GCSE Maths - How to find the Area and Circumference of a Circle (Circles Part 1) #106

9th - Higher Ed
This video explains how to find the area and circumference of a circle using the radius or the diameter. This video is suitable for maths courses around the world. KS3 - All on your course GCSE Foundation - All on your course GCSE Higher...
Instructional Video1:40
Curated Video

GCSE Maths - Expressions vs Equations #46

9th - Higher Ed
This video covers the differences between expressions and equations. The basic idea is that equations have an equals sign and can be solved, whereas expressions don't. This video is suitable for maths courses around the world. KS3 - All...
Instructional Video2:58
Curated Video

GCSE Maths - Common Straight Line Equations You NEED TO KNOW #64

9th - Higher Ed
This video covers the how to notice simple line equations on graphs, and the common ones you need to know. This video is suitable for maths courses around the world. KS3 - All on your course GCSE Foundation - All on your course GCSE...
Instructional Video2:31
Curated Video

GCSE Maths - All the Trigonometry Equations you Need To know! #119

9th - Higher Ed
This video covers the basics of trigonometry. We cover the different equations you need to know to be able to fine missing sides, missing angles or areas of both non-right angle and right angle triangles. This video is suitable for maths...
Instructional Video7:05
Curated Video

GCSE Chemistry - Fuel Cells #45

9th - Higher Ed
This video covers: - What fuel cells are - How they work - How to write half equations and full equations for fuel cells - The pro's and con's of hydrogen fuel cells Exam board specific info: AQA - Separate/triple science only IGCSE...