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 misconception that was the least voted for by teachers actually turnedContinue reading

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 Revision Stream to date, with less than 40% of students answeringContinue reading

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 least voted for by teachers actually turned out to beContinue reading

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 department and across the nation as a whole,Continue reading

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 – can you predict what the most commonContinue reading

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, construction and trigonometry. Hence, if a student’s understanding of bearings isContinue reading

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 fare predicting the most common student misconception on thisContinue reading

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 popular was in fact beaten into second place by another nastyContinue reading

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 results). How will you fare predicting the most commonContinue reading

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 GCSE. As some of you may know, AQA will haveContinue reading

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 common misconception held by students. (see last week’s results). This is exciting, asContinue reading

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 teachers have incorrectly predicted the mostContinue reading

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 (see last week’s results). This week we take a look at aContinue reading

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. But it was a close one! Indeed,Continue reading

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 week’s results). This week we turn our to a question on straight lineContinue reading

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 the most common misconception that students had with the followingContinue reading

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 results). This week we turn our attention to the increasingly popular exam topic of reverseContinue reading