Mathematics Educators Beta
DavidButlerUofA
  • Member for 7 years, 5 months
  • Last seen this week
  • Adelaide, Australia
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About

I am the coordinator of the Maths Learning Centre at the University of Adelaide. I have a PhD in finite geometry and a Graduate Diploma in Education. I help thousands of students every year to understand the maths involved in their courses. If you want to know more about what I think about maths and its education, check out my blog.

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Votes Newest
77
Why are induction proofs so challenging for students?
Nov 20 '15
59
What is a good method for drawing a Möbius band on the blackboard?
Nov 9 '15
29
Good way to explain why an absolute value in an equation does not automatically mean to make the other side +/-
Oct 31 '14
26
Teaching students to find and correct their own errors
Jan 17 '15
24
Probability Misconception: Two Bags with Black and White Marbles
Nov 3 '14
20
How can I convince someone to use a calculator and not worry about the mechanics too much?
May 17 '15
19
How does one explain that transformations 'inside' a function operate in the opposite direction than intuition suggests?
Oct 22 '14
19
The definition of natural log and e
Jul 1 '14
19
Are fractions hard because they are like algebra?
Apr 8 '15
18
When $-x$ is positive
May 5 '15
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How can we increase the number of quality questions asked on MESE?
6
Let's get critical: Mar 2015 Site Self-Evaluation
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35
Can you use row and column operations interchangeably?
19
Seven overlapping circles
16
Constructing a family of distinct curves with identical area and perimeter
14
Polygons with equal area and perimeter but different number of sides?
12
How to prove: if $a,b \in \mathbb N$, then $a^{1/b}$ is an integer or an irrational number?

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