Arithmetic

Addition, subtraction, multiplication, and division.
Making eight

Making eight

I am writing a book. In the process of doing this, I come across homework assignments that parents find frustrating, and that they share on social media. These almost always get me thinking, and they frequently lead to math talks with my children. This past weekend...

Cookies under constraints

Cookies under constraints

A propos of nothing one day, I ask Griffin (9 years old at the time, finishing up fourth grade) a question. Me: Griff, imagine you are baking cookies and you need $latex \frac{3}{4}$ cup of sugar, but you only have a $latex \frac{1}{2}$ cup measure. How would...

8 + 4 = x + 5
The equal sign

The equal sign

It has been a long, busy semester for me in my community college work. Many interesting and productive projects, lots of interesting and challenging teaching problems. But I am tired. Wiped out and exhausted. So I devised a plan the other evening when Tabitha...