As set out by the National Governors Association (NGA) and the Council of Chief State School Officers (CCSSO) in the Common Core State Standards Initiative. For more information, please visit the Number and Operations: Base Ten domain at the Common Core State Standards website.
January 26, 2016
These two first-grade teachers plan a visual number talk together using ten frames. After both try it, they reflect on the strategies that students used.
Have some Halloween fun with the witch’s tale Room on the Broom. In this lively story by Julia Donaldson and Axel Scheffler, a witch makes room for her animal friends to ride on her broomstick……
In this one-on-one conversation, an English Language Learner in kindergarten explains his thinking while working through a number story about people getting on and off of the bus.
"I was taught algorithms in school," says coach Liz Avila. "There wasn't much thought that went into the math that I did." The Innovations project aims to alter this "plug-and-chug" method of problem solving, through…
Counting in sets of ten is a skill that we develop and internalize at a very young age. However, surprisingly, there are dozens of different counting systems, many still in use today. Understanding and exploring…
The video gives a great overview of how to use a rekenrek. It also provides a few specific examples of problems that you could give to your students.
This study done by Vanderbilt University and the University of Louisville examined children's ability to learn just math skills and procedures versus explaining the underlying concepts beforehand. It found that children were more likely to…
In this hour-long webinar, the Big Ideas of number sense are explored. This leads to a discussion about real-world change in the classroom, resulting in better understanding amongst teachers and more in-depth math comprehension amongst…
This second grader has uncertainty about the meaning of the digits. He is working to construct the understanding that place determines the value of a number.
Children like big numbers! Often before they can say all the numbers from one to one hundred reliably, children understand that one hundred is a lot. They quickly learn that one thousand is even more…