755 prompts matching "When the matrix method is worth the work for three unknowns"
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Word problem: total distance from a bouncing ball
I am in SS 1. Quiz me with 3 short Additional Maths questions on a classic word problem wh
Finding an endpoint given the midpoint
I am in SS 1. Quiz me with 5 short Additional Maths questions on finding one endpoint of a
Condition for two lines to be perpendicular
I am in SS 1. Quiz me with 4 short Additional Maths questions on the condition for two lin
Finding the centre and radius from a circle's equation
I am in SS 1. Quiz me with 3 short Additional Maths questions on finding the centre and ra
Distinguishing gradient sign: positive, negative, zero, undefined
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
Solving a linear inequality and showing the solution
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
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
WAEC Prep: Pi and root 2 as the two best-known irrational numbers
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Common Mistakes: Why a rational number added to an irrational one stays irrational
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Final Revision: Approximating a surd to three decimal places
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WAEC Prep: Ordering a list of surds by size
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Final Revision: Surds that cannot be combined at all
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Final Revision: Simplifying a fraction whose numerator and denominator are both surds
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WAEC Prep: Rationalising a denominator inside a larger expression
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Final Revision: Checking a conjugate answer by multiplying back
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WAEC Prep: Equating the rational and the irrational parts of an equation
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Common Mistakes: A surd equation that has no real solution
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Common Mistakes: A binary operation that is ordinary addition in disguise
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WAEC Prep: A set closed under one operation but not another
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