"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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- Aug 11
- 1 min
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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- Dec 29, 2022
- 2 min
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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- Jul 1, 2022
- 2 min
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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- Apr 26, 2022
- 2 min
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 18, 2022
- 1 min
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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- Sep 24, 2021
- 2 min
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 10, 2021
- 1 min
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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