Use this activity to give students a real world connection to inequalities. It’s a great introductory activity once students know the symbols and basic meanings. Students will practice translating words into inequalities.
When a building is constructed, it must be up to code. One set of codes is known as the ADA Codes, which ensure that a building is safe for every person. In this activity, students read seven of these codes, translate them into inequalities, and then see if their classroom is up to code!
I recommend going through each code as a whole class, discussing what it means, and checking for questions. Then, show students an example of creating an inequality for a code. (Key included.) They can try them out on their own or in partners. Once the inequalities are created, have students measure specific items in your classroom (or restroom or hallway) to see if it would pass or fail each code.
Depending on the age of your school, you might not pass every code. My classroom does not!
I use this as a refresher on inequalities for my 8th graders and to get them thinking about real world applications. It could be used earlier grades. The inequalities in this activity are straightforward, and include greater than / less than, greater than or equal / less than or equal, and a couple of compound inequalities. Students translate words such "minimum" and "no more than" into correct symbols.
ADA Standard 404.2.3 Door openings shall provide a clear width of 32 inches minimum when the door is open 90 degrees.
Inequality: w ≥ 32
You will receive the one-page handout with codes and places for students to fill in the inequalities and mark pass/fail for the classroom, a key, and a guide with notes about the codes for clarification (all in PDF).
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