755 prompts matching "IGCSE Additional Maths Y11: Checking an answer for reasonableness — Show All Wor"
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Condition for two lines to be parallel
I am in SS 1. Teach me the condition for two lines to be parallel, and using it to find th
Vertical and horizontal line equations
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Coordinate geometry proof: isosceles triangle
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Finding the equation of a circle from its centre and radius
I am in SS 1. Teach me finding the equation of a circle in the form (x-a)^2 + (y-b)^2 = r^
Quiz me rapid-fire on gradients and equations of lines
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Common mistakes in coordinate geometry formulas
Teach me the most common mistakes SS1 students make with coordinate geometry formulas, suc
Finding the equation of a median of a triangle
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Expanding a product of two brackets
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on expa
Expanding and simplifying with negative brackets
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Factorising the sum and difference of two cubes
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on fact
Solving simultaneous linear equations by elimination
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Changing the subject when the variable appears twice
I am in SS 1. Teach me changing the subject of a formula where the required letter appears
Simplifying an expression with brackets and indices together
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Explaining the difference between an expression and an equation
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Common sign errors in algebraic manipulation
Show me a fully worked Cambridge/Additional Maths style solution to a question on the most
Common mistakes with composite and inverse functions
Teach me the most common mistakes SS1 students make with composite and inverse functions,
Spot My Mistake: The decimal expansion of an irrational number, and why it never repeats
Act as my SS1 Further Mathematics tutor. Work a question on the decimal expansion of an ir
Spot My Mistake: Why root 8 and root 2 turn out to be similar
Act as my SS1 Further Mathematics tutor. Work a question on why root 8 and root 2 turn out
Quiz: Subtracting one surd from another
Act as my SS1 Further Mathematics tutor and quiz me on subtracting one surd from another.
Spot My Mistake: Dividing one surd by another
Act as my SS1 Further Mathematics tutor. Work a question on dividing one surd by another w