A simple beginner lesson about inequalities, for about 6th grade level. We only use positive numbers.
I first explain the meanings of the four symbols: less than, greater than, less than or equal, and greater than or equal.
We then look at how simple word phrases can be "translated" or written as inequalities using a variable.
Next is time to PLOT some simple inequalities (such as x is greater than 6 or x is less than or equal than 10) on a number line, and when to use an open circle versus a closed circle.
We also solve simple linear inequalities in a given set.
Lastly, we look at how to use the number line to actually SOLVE some inequalities.
Check out my free books and worksheets at http://www.mathmammoth.com/free
Tagged under: inequalities,6th grade,math, equal,greater equal,number line,set,solve inequalities,plot inequality
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