Do your learners tend to skip the word problems? Use a video to increase their confidence. It walks them through a volume/cost problem and writing the model in terms of just one variable.

Are you befuddled after reading this word problem? Not only is it a word problem but there are two variables, and not only does it have two variables, but it is an inequality. Don't pull your hair out! Take a deep breath and watch this...

Here we look at how to relate compound inequalities to real world problems.