1,461 prompts matching "IGCSE practice: Choosing a sensible accuracy for an answer from its bounds"
Worked example: Building a grouped frequency table from raw data
Act as my SS1 Mathematics tutor. Take me through one full worked example on building a gro
Worked example: Combining a trigonometric ratio
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Let me explain: Using Pythagoras' theorem to find a missing
I just studied using Pythagoras' theorem to find a missing side of a right-angled triangle
Let me explain: Identifying natural numbers, integers, prime
I just studied identifying natural numbers, integers, prime numbers, square numbers and cu
Worked example: Adding two durations that cross into the next hour
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Worked example: A word problem about a total made of parts
Act as my SS1 Mathematics tutor. Take me through one full worked example on a word problem
Let me explain: Using exponential growth to model a real-life
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Let me explain: Why completing the square works at all
I am in SS 1. I have just studied why completing the square works at all. Let me explain i
Worked example: Constructing a perpendicular bisector
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Let me explain: Converting between metric units of area
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Worked example: Solving a quadratic equation by factorisation
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Let me explain: Rounding a number to a given number of decimal places
I am in SS 1. I have just studied rounding a number to a given number of decimal places. L
Let me explain: Spotting the largest square factor inside a surd
I am in SS 1. I have just studied spotting the largest square factor inside a surd. Let me
Worked example: Why a rationalised denominator is preferred
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Let me explain: Finding the hypotenuse with Pythagoras
I am in SS 1. I have just studied finding the hypotenuse with Pythagoras. Let me explain i
Let me explain: The midpoint of a line segment from its endpoints
I am in SS 1. I have just studied the midpoint of a line segment from its endpoints. Let m
Teach me again: Why borrowing in base five carries a value of five
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Real-life question: Converting a number from base two back
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Teach me again: Checking a logarithmic power calculation by estimation
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Teach me again: Adding algebraic fractions whose denominators share a factor
Act as my SS1 Mathematics tutor. I did not follow adding algebraic fractions whose denomin