755 prompts matching "IGCSE Additional Maths Y11: Differentiating a sum of terms — Explain It Back"
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Sum of a geometric series with a negative common ratio
I am in SS 1. Teach me finding the sum of a geometric series where the common ratio is neg
Finding a sequence's sum between two term numbers
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
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
Finding the number of terms in an arithmetic series
I am in SS 1. Show me a fully worked Cambridge/Additional Maths style solution to a questi
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 odd numbers
I am in SS 1. Quiz me with 4 short Additional Maths questions on proving and using the fac
Common Mistakes: Proving the sum formula by pairing the terms
Act as my SS1 Further Mathematics tutor. Show me the mistake pupils most often make on pro
Simplifying a fraction of two bracketed index terms
I am in SS 1. I'm going to explain simplifying a fraction of index expressions down to a s
Finding the nth term of an arithmetic sequence
I am in SS 1. I'm going to explain finding the nth term formula of an arithmetic sequence,
Finding which term of a sequence equals a given value
I am in SS 1. Teach me finding which term number in an arithmetic or geometric sequence is
Common Mistakes: Rationalising when both terms of the denominator are surds
Act as my SS1 Further Mathematics tutor. Show me the mistake pupils most often make on rat
Worked Example: Writing out the terms of a sequence from its nth term
Act as my SS1 Further Mathematics tutor. Take me through one full worked example on writin
Quiz: Finding the nth term of a linear sequence
Act as my SS1 Further Mathematics tutor and quiz me on finding the nth term of a linear se
Practice: Finding the nth term of a quadratic sequence
Act as my SS1 Further Mathematics tutor. Give me five practice questions on finding the nt
Show All Working: Deciding whether a given number is a term of a sequence
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on deciding whethe
Quiz: The formula for the nth term of an arithmetic progression
Act as my SS1 Further Mathematics tutor and quiz me on the formula for the nth term of an
Practice: Finding the twentieth term of a given arithmetic progression
Act as my SS1 Further Mathematics tutor. Give me five practice questions on finding the tw
Worked Example: The alternative sum formula that uses the last term
Act as my SS1 Further Mathematics tutor. Take me through one full worked example on the al
Quiz: The sum of the first fifty natural numbers
Act as my SS1 Further Mathematics tutor and quiz me on the sum of the first fifty natural
Practice: Finding n when the sum of an arithmetic progression is given
Act as my SS1 Further Mathematics tutor. Give me five practice questions on finding n when