Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers. (spellingcity.com)
The results show that such clumps become incorporated via chemical interactions with atoms in the crystals, an unexpected mechanism based on previous understanding. (pnnl.gov)
The balance of old and new math works because the project is so hands on that students can see connections between previous understanding and new challenges. (edutopia.org)