Math

Stop Lying to Children: A Story of Diamonds

I have been conflicted lately about a word that seems to have no defintion (in the mathematical world, at least) but, like the oval, is a widely acceptable shape. It’s the diamond. I have grown up my entire life with the understanding that a diamond is just a square with compressed, opposite vertices. I think I… Continue reading Stop Lying to Children: A Story of Diamonds

Math

Kindergarten: From Counting to Cardinality to Abstraction

Kindergarten: From Counting to Cardinality to Abstraction Recently, we have been having some discussions about Kindergarten expectations and assessment when it comes to the K.CC standards. We built a Kindergarten task that measured K.CC4.a-c and K.CC5 a few years ago.  Unfortunately, the formal assessment was too time-consuming and it was modified. The baby, however, was… Continue reading Kindergarten: From Counting to Cardinality to Abstraction

Math

Technology May Change, But Data is Still Data

So, someone sent me a link to this great video that graphs and charts data from some popular musical numbers.  It’s nice to see that math and data folks actually have a sense of humor!  I wish I could give credit to exactly who produced the video but at the end it simply states from “The Office of Accountability.” Wow…Not just something hilarious from data folks but from an “Office of Accountability”…That’s amazing!  Enjoy!