688 prompts matching "difference between permutations and combinations"
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Final Revision: Inserting an arithmetic mean between two numbers
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of i
Spot My Mistake: The sum of an arithmetic progression with a negative common difference
Act as my SS1 Further Mathematics tutor. Work a question on the sum of an arithmetic progr
Show All Working: The sum of the terms lying between two given positions
Act as my Further Mathematics examiner. I am in SS 1. Set me a question on the sum of the
Common Mistakes: Inserting a geometric mean between two numbers
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Index equations with a fractional right-hand side
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on solv
Standard form calculations using indices
I am in SS 1. Teach me converting numbers to and from standard form and using the laws of
Multiplying and dividing indices in one expression
I am in SS 1. Teach me simplifying (a^5 x a^-2) divided by a^3 fully, quoting which law is
Adding and subtracting like surds
I am in SS 1. I'm going to explain adding and subtracting surds that share the same irrati
Expanding brackets containing surds
I am in SS 1. Quiz me with 4 short Additional Maths questions on expanding a bracket conta
Expanding a binomial surd bracket
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Rationalising a denominator with a surd and integer
I am in SS 1. I'm going to explain rationalising a denominator such as 6 divided by (2 roo
Surd answers in area and perimeter questions
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Distinguishing rational and irrational numbers
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Rationalising and then simplifying fully
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on a tw
Surds and indices together in one question
I am in SS 1. Teach me a question that requires converting a surd to index form, simplifyi
Reading and writing set notation
I am in SS 1. Teach me reading and writing basic set notation, such as element-of, subset-
Union and intersection of two number sets
I am in SS 1. I'm going to explain finding the union and intersection of two given sets of
Disjoint sets and what they mean
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Universal set and its role in set problems
I am in SS 1. Teach me what a universal set is and how it affects the answer to complement
Logical reasoning with 'and' versus 'or' in sets
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