1,483 prompts matching "Why the interpolation formula gives only an estimate"
Another worked example: Simplifying an expression containing a fraction
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Another worked example: Describing a set by listing
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Real-life question: The complement of a union and of an intersection
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Another worked example: A pair of simultaneous equations from a word problem
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Teach me again: The gradient of a horizontal and of a vertical line
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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
Find my error: Proving that the exterior angle of a triangle
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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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Find my error: The properties of a trapezium and a kite
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Real-life question: Finding the angle of a pie chart sector
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Teach me again: The class width and the class midpoint
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Real-life question: Estimating the median within the median class
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Another worked example: Finding an angle with the inverse tangent
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Teach me again: The perimeter of a triangle from its three sides
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Check my understanding: Finding the length of an arc
I am in SS 1. I think I understand finding the length of an arc of a circle now. Let me ex
Another worked example: Identifying natural numbers
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Find my error: Calculating the square and square root
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Real-life question: Calculating the cube and cube root
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Another worked example: Calculating other powers and roots
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