Regrouping is a fundamental mathematics practice. Deep, early understanding of what's happening during regrouping will serve a student well in both math class and in daily life. But how do you...

# Tag: ccss

The number 72 is frequently used to demonstrate deep mathematical structure. Not only does it have factors other than 1 and itself (it is composite, or not prime), it has quite a lot of them, and its...

The Common Core State Standards (CCSS) include eight “Mathematical Practices” that teachers and students are encouraged to use throughout their mathematical lives. These are different from the...

Math Practice At Home: Constructing and Critiquing Arguments

The Common Core State Standards (CCSS) include eight “Mathematical Practices” that teachers and students are encouraged to use throughout their mathematical lives. These are different from the...

The Common Core State Standards (CCSS) include eight "Mathematical Practices" that teachers and students are encouraged to use throughout their mathematical lives. These are different from the...

The Common Core State Standards (CCSS) include eight "Mathematical Practices" that teachers and students are encouraged to use throughout their mathematical lives. These are different from the...