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As I’ve already done with kindergarten and first grade, here is a breakdown of the Common Core domains for second grade mathematics. I’m hoping that this free PDF can serve as a resource for teachers’ classroom walls or for teachers to distribute to the parents of children in their classes so that parents can see at a glance what sorts of mathematical skills their children are going to be learning during the school year.

The following Common Core skills are practiced during second grade:

• Addition and subtraction within 20
• Working with equal groups of objects in preparation for multiplication
• Using place value to add and subtract numbers
• Measuring lengths in standard units
• Solving problems with time and money
• Working with data
• Reasoning with geometric shapes and their attributes

### Second Grade Common Core Standards

The Common Core State Standard domains for second grade mathematics are broken down as such:

• Operations and Algebraic Thinking: 4 standards (15%)
• Number and Operations in Base Ten: 9 standards (35%)
• Measurement and Data: 10 standards (38%)
• Geometry: 3 standards (12%)

Underneath the breakdowns I’ve included the summary line items for the Common Core skills that students will be learning during the academic year.

I hope that this chart serves as a useful resource! If you have any other ideas for resources that could help you teach according to the Common Core State Standards Initiative, please let me know in the comments – I’d be glad to hear about them.