1,456 prompts matching "Inserting an arithmetic mean between two numbers"
Real-life question: Expanding a bracket and then simplifying
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Another worked example: Simplifying an expression containing a fraction
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More practice: Factorising an algebraic expression by finding
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Check my understanding: Factorising an expression whose common factor carries a minus sign
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Another worked example: Describing a set by listing
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Extra quiz: Disjoint sets, and how to tell them apart
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Real-life question: The complement of a union and of an intersection
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Check my understanding: Creating a linear equation
I am in SS 1. I think I understand creating a linear equation from a word problem now. Let
Real-life question: Squaring both sides safely when rearranging a formula
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Another worked example: A pair of simultaneous equations from a word problem
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Teach me again: Predicting a value from a direct proportion constant
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Extra quiz: Predicting a value from an inverse proportion constant
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Check my understanding: Solving a word problem involving
I am in SS 1. I think I understand solving a word problem involving partial variation now.
Check my understanding: Drawing a smooth parabolic curve
I am in SS 1. I think I understand drawing a smooth parabolic curve through plotted points
Teach me again: The gradient of a horizontal and of a vertical line
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Extra quiz: Identifying the gradient and intercept from a drawn line
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More practice: Plotting a quadratic graph and identifying
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Check my understanding: Proving that the angle sum
I am in SS 1. I think I understand proving that the angle sum of a triangle is 180 degrees
Another worked example: Showing that the sum of the exterior
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Teach me again: The right-angle hypotenuse-side condition
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