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Curated Video
Graph And Estimate Solution
A video entitled "Graph and Estimate Solution" that covers graphing linear equations using x- and y-intercepts to solve systems of linear equations.
Curated Video
Two Variable Applications
You will solve real-world application problems modeled by two-variable equations.
Curated Video
Solving Logarithms
A video entitled "Solving Logarithms" which walks through how to solve logarithmic equations by setting the insides equal when the logs have the same base.
Curated Video
Lines Through The Y-Axis
A video entitled "Lines through the y-Axis" that covers writing equations of lines graphed on the coordinate plane.
Curated Video
ID Functions By Equation
A video entitled "ID Functions by Equation" that covers characteristics of equations that are functions and characteristics of equations that are not functions.
Curated Video
Is Time Travel Possible? Three Theories Backed by Science
Is time travel possible? Of course it is…into the future. You and I are travelling in time right now. And travelling into the far future also is also a reality using Einstein’s principle of time...
Professor Dave Explains
Systems of Differential Equations Part 2: Matrices and Stability
We just looked at some simple ways to solve systems of differential equations, via modeling and elimination. But there are other methods, some of which involve matrices. This will require that we remember some concepts from linear...
Curated Video
How to Solve an Algebraic Equation
Howcast - An algebraic equation is an equation that includes one or more variables. These equations can be solved as long as the number of variables does not exceed the number of equations.
Curated Video
How to Isolate a Variable
Isolating a variable is a matter of separating and simplifying.
Curated Video
Using bar models to subtract
Pupil outcome: I can use bar models to represent and solve subtraction problems. Key learning points: - A bar model can be used to represent subtraction problems and equations. - Overlaying manipulatives on a bar model can be useful for...
Curated Video
Explain how times table facts can help to find the quotient (10 times table)
Pupil outcome: I can explain how 10 times table facts can help to find the number of groups or the number in each group. Key learning points: - When we are dividing by 10, you can use the 10 times table to find the number of groups or...
Curated Video
Explain how times table facts can help to find the quotient (2 times table)
Pupil outcome: I can explain how 2 times table facts can help to find the number of groups or the number in each group. Key learning points: - When we are dividing by 2, you can use the 2 times table to find the number of groups or the...
Curated Video
Review column addition and identify the addends and sum
Pupil outcome: I can identify the addends and the sum in column addition. Key learning points: - The addends are written in columns with the same value digits in the same column. - One addend is written above the other one. - The sum is...
Curated Video
Explain where zero can be part of a multiplication or division expression and the impact it has
Pupil outcome: I can explain where zero can be part of a multiplication or division expression and the impact it has. Key learning points: - When zero is a factor, the product is zero. - Zero can represent the group size or the number of...
Curated Video
Many equations, one solution
Pupil outcome: I can understand that a family of linear equations can all have the same solution. Key learning points: - Starting from a single value for a variable you can write equations that are equivalent. - A solution to a linear...
Curated Video
Represent division by grouping with multiplication and addition equations
Pupil outcome: I can represent and interpret division by grouping where there is a remainder using multiplication and addition. Key learning points: - Objects can be divided into equal groups, sometimes with a remainder. - Multiplication...
Curated Video
Using the fx-CG50 for number and algebra
Pupil outcome: I can use the fx-CG50 to perform calculations with numbers and solve equations numerically. Key learning points: - Some calculators can perform more than just basic calculations. - The fx-CG50 can solve equations...
Curated Video
Preparing to solve two step linear equations
Pupil outcome: I can understand that an equation needs to be in a format to be ready to be solved, through collecting like terms on each side of the equation. Key learning points: - An equation with both a multiplicative and additive...
Curated Video
Forming simultaneous equations
Pupil outcome: I can derive two different simultaneous equations from a context. Key learning points: - Relationships in context can be expressed using letters to represent the unknown values. - It is important to be clear about what...
Curated Video
Converting units of length
Pupil outcome: I can use knowledge of multiplication and division to convert units of length. Key learning points: - There are 10 mm in 1 cm. - There are 100 cm in 1 m. - There are 1,000 m in 1 km. - There are 1,000 mm in 1 m. - There...
Curated Video
Graphically solving two linear graphs that intersect
Pupil outcome: I can recognise that the point of intersection of two linear graphs satisfies both relationships and hence represents the solution to both those equations. Key learning points: - More than one linear graph can be drawn on...
Curated Video
Solving simultaneous equations via any method
Pupil outcome: I can determine which method of solving is most appropriate and interpret the solutions (in context). Key learning points: - The features of the equations may mean one method is more preferable for solving. - You can use...
Curated Video
Solving equations with algebraic fractions
Pupil outcome: I can manipulate and solve equations involving algebraic fractions. Key learning points: - Before performing any operation, equivalent fractions should be considered. - Algebraic fractions follow the same rules as...
Curated Video
Solving simultaneous linear equations graphically
Pupil outcome: I can solve two linear simultaneous equations graphically (0 or 1 or infinitely many solutions). Key learning points: - You can use your knowledge of linear graphs to draw the graphs of both equations on the same axes. -...