Math Elementary (Primary)

This page has been created to demonstrate how we can utilize resources to study one Math CCSS standard, view a video of classroom strategies teaching the identified standard and then analyze a sample assessment, as well as, view student products demonstrating proficiency of the standard. These resources have been gathered from various websites throughout the country.

Grade Level: 2


Standard: 2.NBT.1a (Numbers and Operations in Base Ten)  Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:100 can be thought of as a bundle of ten tens — called a “hundred.”


Study the Standard: This guide was developed by The Utah Education Network, for each standard the guide identifies core content, supports for teachers, academic vocabulary, instructional strategies and assessment tasks. Click here.


The Teacher Channel Video: Below is an example of a classroom teacher demonstrating a lesson teaching the identified standard (2.NBT.1.)



Sample Assessment/Student Product:  The Illustrative Math Project had developed ranges and types of mathematical work that students can experience aligned to the CCSS. To view a task aligned to 2.NBT.1 Click here.


Additonal Resource, Khan Academy: This link for standard 2.NBT.1 provides an online practice module for the identified standard as well as a refresher video if the students needs additional instruction. ">Click here.




Utah Education Network,


Khan Academy,


The Illustrative Mathematics Project,


 Teaching Channel video Showcase,