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Student Instructions
Today you'll use a number rack to determine whether a number of penguins can march in pairs, and use a doubles or doubles plus 1 equation to represent the situation.
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 third 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-G1U6M2.pdf
