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Student Instructions
Today, you'll use the context of penguin feather collections to explore addition combinations and make equivalent combinations of 10 and 15 feathers on a number rack.
1. Select 
“add response.”
2. Follow the directions on each page.
3. Select 
when you finish ALL pages.
Teacher Notes (not visible to students)
This is the first part of a three-part activity provided by The Math Learning Center (www.mathlearningcenter.org) and adapted from the Bridges in Mathematics Second Edition PK–5 math curriculum (www.mathlearningcenter.org/bridges). The three parts should be used together, in order. Refer to the Implementation Guide for implementation suggestions, standards alignment, and further details, whether using synchronously or asynchronously: https://www.mathlearningcenter.org/sites/default/files/seesaw/BridgesSeesawTEA-G1U6M3.pdf
