757 prompts matching "IGCSE Maths Y10: The number above or below a given value — IGCSE Exam Practice"
Worked example: Finding the magnitude and direction of a vector
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WAEC pitfalls: Dropping the negative sign when reversing a vector
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Teach me: The position vector of a point relative to the origin
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Quiz me: The vector joining two points, found from their position vectors
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Explain back: The midpoint of a line segment in vector form
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Spot my mistake: Subtracting the position vectors in the wrong order
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Spot my mistake: Adding the column vector to the wrong coordinate
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Word problem: Describing the move of an object on a described plan
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Worked example: Finding the translation that maps one shape onto another
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Teach me: Reflection and the mirror line
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Spot my mistake: Reflecting in an axis but keeping the original sign
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Worked example: Finding the mirror line from an object and its image
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Quiz me: Rotating a point 90 degrees about the origin
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Explain back: Rotating a point 180 degrees about the origin
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Worked example: Finding the angle of rotation from an object and its image
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Practice set: Rotating a shape about a point other than the origin
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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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Quiz me: Adding and subtracting matrices of the same order
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Explain back: The inverse of a 2 by 2 matrix and the formula for it
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