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What is conceptual understanding?
A definition everyone agrees with, just you wait
May 22
•
Bill McCallum
11
12
2
Think of a number
Double it, add 6, divide by 2, and take away the original number. The number you have is 3.
May 20
•
Bill McCallum
2
Making meaning
Who is taking care of that?
May 15
•
Bill McCallum
4
5
Where have I been and where am I going?
You might well ask
May 13
•
Bill McCallum
3
4
Something fun for a change
In which I continue reading the references
May 8
•
Bill McCallum
4
6
Navigating "Navigating the Math Wars"
We interrupt our regularly scheduled programming for a brief report on a report
May 6
•
Bill McCallum
7
15
3
Connections and coherence
Where's the math?
May 1
•
Bill McCallum
2
9
1
April 2026
Making connections
Simple idea, hard in practice
Apr 29
•
Bill McCallum
1
14
I did the research
I consulted a children's story, a math ed research article, and a mathematician
Apr 24
•
Bill McCallum
7
6
Cakes and bicycles
Why teaching mathematics is not like teaching anything else
Apr 22
•
Bill McCallum
3
5
1
Seeing with new eyes
Two episodes when technology revealed something familiar as something new
Apr 17
•
Bill McCallum
2
2
Beautiful expressions
This post brought to you by the letter x
Apr 15
•
Bill McCallum
2
6
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