Khan Academy
Khan Academy: Algebra: Constraint Solutions of Systems of Inequalities
Find the range of values of one variable that corresponds to a given value of the other variable in a system of two-variable linear inequalities. Students receive immediate feedback and have the opportunity to try questions repeatedly,...
Illustrative Mathematics
Illustrative Mathematics: A ced.a.3: Dimes and Quarters
This task requires students to recognize the pairs of linear equations in two variables that would be used to solve a given system of equations. Aligns with A-CED.A.3.
Illustrative Mathematics
Illustrative Mathematics: A ced.a.3: Growing Coffee
This task is designed to make students think about the meaning of the quantities presented in the context (of coffee needs) and choose which ones are appropriate for the two different constraints presented. Aligns with A-CED.A.3.
Illustrative Mathematics
Illustrative Mathematics: A ced.a.3: Writing Constraints
The purpose of this task is to give students practice writing a constraint equation for a given context. Aligns with A-CED.A.3.
Illustrative Mathematics
Illustrative Mathematics: A Ced Bernardo and Sylvia Play a Game
In this task about an algebra game, students must create and reason with algebraic inequalities. Aligns with A-CED.A.3 and A-CED.A.1.