Algebra › Subtracting negatives

Teacher info
Turns out it's addition!
CCSS.MATH.CONTENT.7.NS.A.1
Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.

LTI launch URL (help)
https://schoolyourself.org/page/lti/sy/algebra/subtracting-negatives
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