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 Counting and Cardinality domain at the Common Core State Standards website.
June 11, 2015
A child produces a small set of counters to match a shown quantity.
A student approximates the number of cubes in collections of increasing quantity.
A child estimates the number of cubes in a collection.
A kindergarten student determines how many bears are in and out of their cave.
A student determines how many blocks there are.
This blog post provides some great ideas for first grade Number Talks sessions. These 10-15 minute activities can be centered around the rekenrek or dot cards and are designed to reinforce students’ understanding of number…
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 RadioLab story asks whether one can live without using math. As babies and kids learning math and counting, do we understand complex concepts more than we think? Experts point out that babies seem to…
A child determines a given quantity of blocks and then finds the new amount as blocks are added to the set.