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Guess the Misconception

Rationalise the Denominator – Guess the Misconception
Rationalise the Denominator – Guess the Misconception
Last week on Guess the Misconception we looked at plotting cumulative frequency diagrams (see previous post for the results), and in a dramatic twist, the [...]
Cumulative Frequency – The Answers Revealed!
Cumulative Frequency – The Answers Revealed!
Last week’s question on plotting a Cumulative Frequency Diagram was one of the worst answered questions across the whole of the free daily GCSE [...]
Cumulative Frequency – Guess the Misconception
Cumulative Frequency – Guess the Misconception
Last week on Guess the Misconception we looked at angle facts (see previous post for the results), and in a dramatic twist, the misconception that was the [...]
Angle Facts – The Answers Revealed!
Angle Facts – The Answers Revealed!
It has been a dramatic week for Guess the Misconception, upon its return after the Easter break. Firstly, there has been an outcry, both in my maths [...]
Angle Facts – Guess the Misconception
Angle Facts – Guess the Misconception
Following the Easter break, and far too much chocolate, Guess the Misconception returns, with a run right up until the GCSE Maths Exam. The idea is simple [...]
Bearings – The Answered Revealed!
Bearings – The Answered Revealed!
Bearings are the kind of topic that students cannot bear (sorry). The tend to sneak their way into several key topics, most notably angle facts, [...]
Bearings – Guess the Misconception
Bearings – Guess the Misconception
Last week we looked at a question on the area of a triangle, and two very different misconceptions came to light (see last week’s results). How will you [...]
Area of a Triangle – The Answers Revealed!
Area of a Triangle – The Answers Revealed!
Last week’s question on the area of a triangle brought up two key, but completely different misconceptions. And the one teachers felt was the most [...]
Area of a Triangle – Guess the Misconception
Area of a Triangle – Guess the Misconception
Last week we looked at a question on Fractions and Decimals, and the reason for the biggest misconception was a very surprising one (see last week’s [...]
Fractions and Decimals – The Answers Revealed!
Fractions and Decimals – The Answers Revealed!
Last week’s question on fractions and decimals has been written by AQA as a taster to the kind of questions students can expect on the 2017 Maths [...]
Fractions and Decimals – Guess the Misconception
Fractions and Decimals – Guess the Misconception
Last week we looked at Tree Diagrams, and something very exciting happened! The most common misconception, as predicted by teachers, did not match the most [...]
Tree Diagrams – The Answers Revealed!
Tree Diagrams – The Answers Revealed!
It is a very exciting week in the world of Guess the Misconception (for me, anyway!). Because, after a very impressive run, I am afraid to say that the [...]
Tree Diagrams – Guess the Misconception
Tree Diagrams – Guess the Misconception
It’s five in a row for the teachers, having once again correctly predicted the most common student misconception in a straight line graphs question [...]
Straight Line Graphs – The Answers Revealed!
Straight Line Graphs – The Answers Revealed!
Well, it is four in a row for teachers, as once again you successfully predicted the most common student misconception to the following question on [...]
Straight Line Graphs – Guess the Misconception
Straight Line Graphs – Guess the Misconception
A perfect start for teachers so far, having once again correctly predicted the most common student misconception in a reverse mean question (see last [...]
Reverse Mean – The Answers Revealed!
Reverse Mean – The Answers Revealed!
The hat-trick was on this week, and the teacher members of my Diagnostic Questions website certainly did not bottle it. Once again, you correctly predicted [...]
Reverse Mean – Guess the Misconception
Reverse Mean – Guess the Misconception
It is currently 2-0 to teachers, having correctly guessed the most popular misconception in last week’s Gradient question (see last week’s [...]
Gradient – The Answers Revealed!
Gradient – The Answers Revealed!
Last week I challenged you to play the another round of Guess the Misconception. I asked you to predict the most popular incorrect answer that students [...]
Gradient – Guess the Misconception
Gradient – Guess the Misconception
Last week teachers around the world correctly predicted the most common misconception that students had on a question about missing lengths in a perimeter [...]
Missing Lengths – The Answers Revealed!
Missing Lengths – The Answers Revealed!
Last week I challenged you to play the game that everyone is talking about – and by everyone, I mean me – Guess the Misconception. I asked you [...]