755 prompts matching "The standard deviation of grouped data using an assumed mean"
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Recurring decimals as an infinite geometric series
I am in SS 1. I'm going to explain how a recurring decimal, such as 0.777..., can be writt
Finding the first term or common difference from the sum formula
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Finding which term of a sequence equals a given value
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Reviewing every sequence and series formula before a test
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Distance between two coordinate points
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Distance formula with negative coordinates
I am in SS 1. Teach me finding the distance between two points where some coordinates are
Midpoint of a line segment
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Equation of a line through two given points
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Vertical and horizontal line equations
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Explaining gradient, midpoint and distance formulas in my own words
I am in SS 1. Quiz me with 4 short Additional Maths questions on the three core coordinate
Coordinate geometry combined with simultaneous equations
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Coordinate geometry involving a right-angle condition to find x
I am in SS 1. Teach me finding an unknown coordinate x so that two given line segments mee
Expanding and simplifying with negative brackets
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Simplifying an algebraic fraction by factorising first
I am in SS 1. Teach me simplifying an algebraic fraction by factorising both the numerator
Solving simultaneous linear equations by substitution
I am in SS 1. I'm going to explain solving a pair of simultaneous linear equations by the
Solving simultaneous linear equations by elimination
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Forming an algebraic expression from a word problem
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Factorising a quadratic with a coefficient in front of x squared
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Simplifying expressions with like and unlike terms
I am in SS 1. Teach me correctly identifying and collecting like terms in a longer algebra
Algebraic long division of a simple polynomial by a linear factor
I am in SS 1. Quiz me with 4 short Additional Maths questions on dividing a simple cubic e