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"What are Triangular Numbers?"
Simply Maths Triangular numbers are a sequence of numbers that can be represented as equilateral triangles. The nth triangular number is...
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Sep 23, 20233 min read


Isotopes and Iron Ions: AS Past Paper Question Analysis
AS P1 June 2016 Q13 Part of a series looking at past AQA AS-level Chemistry questions. If you haven't gone through the question/paper,...
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Aug 11, 20231 min read


Don't Let Exam Stress Get the Best of You: Tips for Staying Calm
Exams can be a stressful and anxiety-provoking time for many students. The pressure to perform well and the fear of failing can take a...
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Dec 29, 20222 min read


A Couple of Points on Straight Line Graphs...
Here we look at a great way to construct/sketch a straight line graph that requires just two points. The two-point gradient and...
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Jul 1, 20222 min read


Seriously Silky-Smooth Skills: Significant Solutions - Solving Sums Sensibly
How Many Significant Figures? A question that caused all sorts of problems for me in my younger days. It seems that others have similar...
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Apr 26, 20222 min read


Going Round in Circles
Circle Theorem Revision
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Apr 23, 20223 min read


The Equation for a Straight Line, y = mx + c
The formula y = mx + c represents a linear equation that plots a straight line on a graph. The y and x represent the axes, m the...
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Apr 18, 20221 min read


How to Handle Quadratic Sequences
There are several ways to find the equation for a quadratic sequence - I have found the following to be the best. Quadratic sequences...
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Sep 24, 20212 min read


GCSE Trial & Improvement Questions - easy when you know how.
In ‘trial & improvement’ questions, there are steps you can use to guarantee full marks. The idea is to gradually zero in on a reasonable...
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Sep 10, 20211 min read
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