755 prompts matching "Checking the solution of three equations by substitution"
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Sum of the first n terms of an arithmetic series
I am in SS 1. I attempted an Additional Maths question on using the formula Sn = n/2 (2a +
Finding the nth term of a geometric sequence
I am in SS 1. Quiz me with 5 short Additional Maths questions on finding the nth term form
Sum of the first n terms of a geometric series
I am in SS 1. I'm going to explain using the formula Sn = a(r^n - 1)/(r - 1) to find the s
Sum of the first n odd numbers
I am in SS 1. Quiz me with 4 short Additional Maths questions on proving and using the fac
Quiz me rapid-fire on gradients and equations of lines
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on a ra
Factorising the difference of two squares
I am in SS 1. Quiz me with 3 short Additional Maths questions on factorising the differenc
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
Algebraic long division of a simple polynomial by a linear factor
I am in SS 1. Quiz me with 4 short Additional Maths questions on dividing a simple cubic e
Worked Example: Why the square root of a non-square whole number is irrational
Act as my SS1 Further Mathematics tutor. Take me through one full worked example on why th
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: Dividing one surd by another
Act as my SS1 Further Mathematics tutor. Work a question on dividing one surd by another w
Common Mistakes: Expanding the product of two surd brackets
Act as my SS1 Further Mathematics tutor. Show me the mistake pupils most often make on exp
Quiz: Rationalising a denominator of the form one over root 3
Act as my SS1 Further Mathematics tutor and quiz me on rationalising a denominator of the
Common Mistakes: Rationalising a denominator of the form root a over root b
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Learn: The conjugate of a compound surd expression
You are my personal SS1 Further Mathematics tutor. Teach me the conjugate of a compound su
Worked Example: Why multiplying by the conjugate clears the surd
Act as my SS1 Further Mathematics tutor. Take me through one full worked example on why mu
Quiz: Rationalising a denominator of the form one over 2 plus root 3
Act as my SS1 Further Mathematics tutor and quiz me on rationalising a denominator of the
Practice: Rationalising a denominator of the form a plus root b over c minus root d
Act as my SS1 Further Mathematics tutor. Give me five practice questions on rationalising
Explain Back: The difference of two squares applied to surd conjugates
I have just studied the difference of two squares applied to surd conjugates in my SS1 Fur
Common Mistakes: Rationalising when both terms of the denominator are surds
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