Problem of the Week 11/17/2013
Gina caught a fish. To win a contest, her fish had to weigh more than the previous record, which was …
Monthly Archives: November 2013
Understanding Cross Multiplication
Students seem to love using cross multiplication to compare fractions and check for equivalence; this simple, mysterious procedure will assure …
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 …
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 …
