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Brian McLogan
Linear and Non linear Simultaneous Equations
While this may look like two linear equations we are actually working with a linear equation and a reciprocal equation.
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Problem solving with graphical representations
Pupil outcome: I can use my knowledge of graphical representations to solve problems. Key learning points: - When presented with a real-life problem, it can help to sketch what is happening. - A sketch can provide a visual aid for...
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Advanced problem solving with vectors
Pupil outcome: I can use my knowledge of vectors to solve problems. Key learning points: - Drawing a diagram can make things clearer. - Adding to an existing diagram can make things clearer. - It can be helpful to start with what you...
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Problem solving with vectors
Pupil outcome: I can use my knowledge of vectors to solve problems. Key learning points: - Drawing a diagram can make things clearer. - Adding to an existing diagram can make things clearer. - It can be helpful to start with what you...
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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...
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Using the fx-991CW for number and algebra
Pupil outcome: I can use the fx-991CW to perform calculations with numbers and solve equations numerically. Key learning points: - Some calculators can perform more than just basic calculations. - The fx-991CW can convert between...
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Solving a quadratic and linear pair of simultaneous equations graphically
Pupil outcome: I can relate the solutions (0, 1 or 2) of a linear and quadratic pair of simultaneous equations to the graphs of these equations. Key learning points: - You can use your knowledge of graphical representations to draw the...
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Problem solving with linear and quadratic simultaneous equations
Pupil outcome: I can use my knowledge of simultaneous equations to solve problems in context and interpret the solutions. Key learning points: - The features of the equations may mean one method is more preferable for solving. - You can...
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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...
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Non-solutions to simultaneous linear equations
Pupil outcome: I can identify what happens to the equations when a point other than the intersection is substituted into the equations. Key learning points: - If a point on neither line is substituted into the equations, neither equation...
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Checking and securing understanding of simultaneous equations
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: - You can use your knowledge of linear graphs...
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Solving more complex simultaneous equations by elimination
Pupil outcome: I can solve two complex linear simultaneous equations algebraically using elimination. Key learning points: - Additively combining the equations does not eliminate one variable unless the coefficients are the same. -...
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Drawing the graph for the equation of a circle
Pupil outcome: I can generate coordinate pairs using the equation of a circle in the form x^2 + y^2 = r^2 and then draw the graph. Key learning points: - A table of values can be useful to identify coordinate pairs which satisfy the...
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Solving algebraic simultaneous equations by elimination
Pupil outcome: I can solve two linear simultaneous equations algebraically using elimination. Key learning points: - It is possible to find a solution that satisfies two equations with two unknowns by trial and error. - A more efficient...
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Solving a quadratic and linear pair of simultaneous equations using substitution
Pupil outcome: I can solve two (one linear, one quadratic) simultaneous equations algebraically using substitution. Key learning points: - Consider which variable to make the subject for the substitution. - Depending which variable you...
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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...
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Checking and securing understanding of drawing vertical and horizontal graphs
Pupil outcome: I can draw graphs of the form y = a; x = a and interpret linear graphs in context. Key learning points: - Horizontal lines were drawn when finding the solutions of equations graphically. - Horizontal lines were drawn...
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Solving simultaneous equations by elimination from a context
Pupil outcome: I can solve two linear simultaneous equations given in context using elimination. Key learning points: - It is possible to find a solution that satisfies a problem with two unknowns by trial and error. - It is possible to...
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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. -...
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Solving simultaneous linear equations by substitution
Pupil outcome: I can solve two linear simultaneous equations algebraically using substitution. Key learning points: - You can use your knowledge of changing the subject to rewrite one or both equations. - If one of the variables is the...
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Equations from complex shapes
Pupil outcome: I can form and solve equations with more complex shapes. Key learning points: - Sometimes you are given a problem with insufficient information to reach a numerical value. - Depending on the problem, it may be possible to...
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Solving a quadratic and linear pair of simultaneous equations using elimination
Pupil outcome: I can solve two (one linear, one quadratic) simultaneous equations algebraically using elimination. Key learning points: - When one equation is quadratic it will only be possible to eliminate the linear variable. - Doing...
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Equations Q8
Welcome to our complete high school mathematics tutorial series! Whether you’re a student preparing for exams, a teacher seeking additional resources, or a parent helping your child succeed in math, these videos cover a wide range of...
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Apply Algebra to solve this interesting Question!
Welcome to our complete high school mathematics tutorial series! Whether you’re a student preparing for exams, a teacher seeking additional resources, or a parent helping your child succeed in math, these videos cover a wide range of...