VIDEO
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VIDEO
How to use the "open number line" strategy Click the link below The Missing Addend The missing addend trips many students up. Ex: 34 + ____ =56 or 4 + _____ = 17 Watch this video on how to solve double digit missing addend with the open number line. http://www.schooltube.com/video/2f9de217899a9fc5517f/ If the link does not work, please search on Google "school tube missing addend using open number line" |