755 prompts matching "The determinant of a 2 by 2 matrix as ad minus bc"
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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
Changing the subject with a square or square root
I am in SS 1. Quiz me with 4 short Additional Maths questions on changing the subject of a
Explaining the difference between an expression and an equation
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on expl
Common Mistakes: Why a rational number added to an irrational one stays irrational
Act as my SS1 Further Mathematics tutor. Show me the mistake pupils most often make on why
Show All Working: Deciding whether two given surds are equal without a calculator
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on deciding whethe
Show All Working: Checking a rationalised answer by decimal approximation
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on checking a rati
Show All Working: A conjugate where the surd term comes first
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on a conjugate whe
Final Revision: Checking a conjugate answer by multiplying back
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of c
Final Revision: A word problem that leads to an equation in surd form
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Show All Working: Evaluating a repeated operation such as a*(b*c)
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on evaluating a re
Common Mistakes: A binary operation that is ordinary addition in disguise
Act as my SS1 Further Mathematics tutor. Show me the mistake pupils most often make on a b
Show All Working: Showing a set is not closed by a single counter-example
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on showing a set i
Show All Working: An operation that is associative but not commutative
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Show All Working: Simplifying an expression that mixes the index types
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Common Mistakes: An indicial equation solved by substitution
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Final Revision: Checking an indicial solution by substitution
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Common Mistakes: Reading a logarithm from a table
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Show All Working: Comparing logarithms given in different bases
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on comparing logar
Common Mistakes: A logarithmic equation that becomes a quadratic
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Show All Working: Deciding whether a number belongs to a given arithmetic progression
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on deciding whethe