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teaches
Common Core State Standards
7.4D
http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html

teaches
Common Core State Standards
8.5E
http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html

teaches
Common Core State Standards
8.5F
http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html

teaches
Common Core State Standards
8.5H
http://ritter.tea.state.tx.us/rules/tac/chapter111/index.html

teaches
Common Core State Standards
7.AF.6
http://www.doe.in.gov/standards/mathematics

teaches
Common Core State Standards
CCSS.Math.Practice.MP2
http://corestandards.org/Math/Practice/MP2

teaches
Common Core State Standards
CCSS.Math.Content.7.RP.A.2
http://corestandards.org/Math/Content/7/RP/A/2

teaches
Common Core State Standards
CCSS.Math.Content.7.RP.A.2a
http://corestandards.org/Math/Content/7/RP/A/2/a