Description
Students justify the rules for adding integers using arrows and a number line or through the Integer Game, and extend findings to include sums of rational numbers.
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Credits
From EngageNY.org of the New York State Education Department. Grade 7 Mathematics Module 2, Topic A, Lesson 4.
Available from engageny.org/resource/grade-7-mathematics-module-2-topic-lesson-4; accessed 2015-05-29.
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