Numbers and Operations in Base Ten

Here are a number of resources focused on NBT:

• Resources from the California Math Project including lesson plans, problems, and research. 
• Video link with examples can be found here.
• 2nd grade video showing place value games.
• Jordan School District has a list of video links.
• The California Math Project has a sample schedule for a one week training on NBT.
• A 1st grade video showing outstanding work in NBT is shown below.

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2nd and 3rd graders share strategies for counting collections.