755 prompts matching "Choosing between factorising and the formula"
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Simplifying an expression with brackets and indices together
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Spot My Mistake: The decimal expansion of an irrational number, and why it never repeats
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WAEC Prep: Pi and root 2 as the two best-known irrational numbers
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Common Mistakes: Expanding the product of two surd brackets
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Spot My Mistake: Rationalising and then cancelling a common factor
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WAEC Prep: Equating the rational and the irrational parts of an equation
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Final Revision: Identity and inverse together, and what they give the set
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Learn: Reading index notation, the base and the exponent
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Final Revision: The characteristic and the mantissa of a logarithm
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Common Mistakes: The Fibonacci sequence and the rule behind it
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Final Revision: Describing a sequence in words and then in symbols
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Worked Example: The alternative sum formula that uses the last term
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Explain Back: Finding the first term from the sum and the common difference
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Spot My Mistake: Finding the common ratio when the third and sixth terms are given
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Worked Example: Which form of the sum formula to use when r is less than one
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Show All Working: The sum to infinity of a geometric progression, and when it exists
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Common Mistakes: A bouncing ball problem, and the total distance travelled
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Learn: The four inequality symbols, and what each one means
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IGCSE Additional Maths Y10: The domain and range of an inverse function — Show All Working
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IGCSE Additional Maths Y10: Sketching a function and its inverse on the same axes — Teach Me
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Teach me sketching a f