371 prompts matching "Converting from base ten by repeated division"
Explain back: Adding and subtracting vectors by components
I have just studied adding and subtracting vectors by components in my SS3 Mathematics cla
Spot my mistake: Adding vectors by adding their magnitudes
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Quiz me: The vector joining two points, found from their position vectors
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Real-life Nigeria: The centroid of a triangle found from its vertices
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Teach me: A translation described by a column vector
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Word problem: A symmetry problem taken from a described Nigerian pattern
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Worked example: Finding the mirror line from an object and its image
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Word problem: A turning problem taken from a described machine part
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Worked example: Finding the angle of rotation from an object and its image
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Spot my mistake: Measuring the scale factor from the wrong centre
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Worked example: Finding the centre of enlargement from object and image
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Worked example: Multiplying a 2 by 3 matrix by a 3 by 2 matrix
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Teach me: The determinant of a 2 by 2 matrix
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Quiz me: Calculating a determinant from the four entries
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Explain back: The inverse of a 2 by 2 matrix and the formula for it
I have just studied the inverse of a 2 by 2 matrix and the formula for it in my SS3 Mathem
Worked example: Verifying an inverse by multiplying back to the identity
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Explain back: Solving by multiplying through by the inverse matrix
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Spot my mistake: Multiplying by the inverse on the wrong side
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Word problem: A two-commodity pricing problem solved by matrices
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Worked example: Solving a 2 by 2 system by the matrix method
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