755 prompts matching "IGCSE Additional Maths Y11: Checking that the turning point is the one wanted —"
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Common Mistakes: The Fibonacci sequence and the rule behind it
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Show All Working: Deciding whether a number belongs to a given arithmetic progression
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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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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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Explain Back: Solving a linear inequality that contains brackets
I have just studied solving a linear inequality that contains brackets in my SS1 Further M
Spot My Mistake: Solving a linear inequality that contains a fraction
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Show All Working: Writing the solution of an inequality as a set
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Final Revision: A word problem that leads to a linear inequality
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Common Mistakes: A quadratic inequality that has to be rearranged first
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Final Revision: A word problem that leads to a quadratic inequality
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Show All Working: The region satisfying two linear inequalities together
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Estimating the value of a surd
I am in SS 1. I'm going to explain estimating the approximate value of a surd such as root
Dividing surds using the quotient rule
I am in SS 1. I'm going to explain simplifying a quotient of surds using the rule root a d
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,
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
Finding a term given the sum of a series
I am in SS 1. I'm going to explain finding a specific term of a sequence by first finding
Worked Example: Why the square root of a non-square whole number is irrational
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Practice: Deciding whether root 16 is rational or irrational
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