Standard Algorithms and the Common Core
A superficial reading of the Common Core State Standards for Mathematics might seem to indicate that standard algorithms are not …
Category Archives: Grade 6 / Course 1
Just Invert and Multiply…Why??
Before reading further, ask your students the following question: What would you say would be a good story or model …
Another great book
Watch this short video of Christine Moynihan, author of Math Sense: The Look, Sound, and Feel of Effective Instruction. In …
Dynamic Paper Tool
Here’s a great resource from the National Council of Teachers of Mathematics Illuminations site that allows you to print customized …
Progression for Instruction on Fractions
If a fraction is a piece of pie, how can we make students understand multiplying two pieces of pie? – …
Subtraction with regrouping: Focus on number sense
Subtraction with regrouping is often the nemesis of math teachers; it is one of those topics that many students just …
What mathematics do teachers need to know?
For anyone planning to teach K-12 mathematics in the era of the Common Core Standards, this report from the Conference Board …
Fun with large numbers, Fermi, and David Schwartz
If you placed quarters end to end all along the equator and then got to keep them all, how much …
Adding fractions with like denominators
Click here for a problem that emphasizes multiple ways to decompose a given fraction, and helps identify the misconception of students …
Understanding Ratio with the Model Method
Here’s a great problem that uses the Model Method to make sense of a word problem with ratios.
The Math SPOT 