755 prompts matching "Combinations used with the addition and multiplication principles"
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Show All Working: Deciding whether a number belongs to a given arithmetic progression
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Practice: Finding n when the sum of an arithmetic progression is given
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Show All Working: The sum of the terms lying between two given positions
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Common Mistakes: Proving the sum formula by pairing the terms
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Practice: Finding the eighth term of a given geometric progression
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Practice: Finding n when the sum of a geometric progression is given
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Practice: Reversing the sign when multiplying by a negative number
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Show All Working: Writing the solution of an inequality as a set
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Show All Working: The region satisfying two linear inequalities together
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IGCSE Additional Maths Y10: A quadratic in root x — Worked Example
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IGCSE Additional Maths Y10: Simplifying a quotient of algebraic terms carrying indices — Worked Example
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IGCSE Additional Maths Y10: An exact answer left in surd form — Worked Example
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IGCSE Additional Maths Y10: Setting out polynomial long division — Worked Example
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IGCSE Additional Maths Y10: Showing that a quadrilateral is a rhombus — Worked Example
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IGCSE Additional Maths Y10: Solving f of x equals nought graphically — Worked Example
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Worked Example: Why the square root of a non-square whole number is irrational
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Explain Back: Where the surds sit on the number line
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Worked Example: Adding two surds that simplify to the same root
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Explain Back: Simplifying the answer once the denominator is rational
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Worked Example: Why multiplying by the conjugate clears the surd
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