Count around the circle with fractions
Here is an activity for middle school students that borrows a familiar number sense routine to have students think deeply …
Previous articles
Problem of the Week 11/7/2013
Jared’s mom works for a company that publishes books. When he visits her office, he likes to watch the machine …
Place Value: Why all the fuss?
Our students “get” place value, right? I mean it’s not rocket science; we teach them to know the names of …
Packing Cupcakes and Subtracting Across Zeroes
Do your students struggle with subtraction across zeroes? Here’s an activity that might help them make sense of regrouping. Let’s …
Common Core Apps – Just in time for the start of school!
Building number sense and deep understanding of the operations and properties of our number system are key goals of the …
Mathematical Practice #8
Click here for a great post by Bill McCallum about Mathematical Practice 8 with a great example related to equations …
Problem of the Week 7/1/2013
If a bar of soap balances 3/4 of a bar of soap and 3/4 of a pound, how much does the …
Changing Direction in Inequalities: Why?
The writers of the Common Core Standards for Mathematics have provided us with several Progressions Documents that track the progression …
Problem of the Week 5/27/2013
Let m @ n = m + 3n. 1) What is the value of 13 @ 7? 2) If m …
Problem of the Week 5/6/2013
A unit fraction is a fraction with a numerator of one. Can you find five different unit fractions that add …
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