Calculating Charge Per Unit Of Measurement Of Alter From A Tabular Array Or Ready Of Points

This year, I'm structuring things a flake differently inwards Algebra 1.  Some changes accept been for the better, as well as around haven't.  I've already started making a listing of things to continue as well as alter for side past times side year.  Today, I desire to weblog most 1 of those things worth keeping.  It's the type of matter that makes me wonder, "Why accept I never done this before?!?" 

Yesterday, I posted most a Ghosts inwards the Graveyard game I made to review independent as well as subject variables.  To last honest, I accept e'er HATED teaching independent as well as subject variables.  They were inwards the standards, then I taught them.  But, I never took the fourth dimension to connect independent as well as subject variables to the other concepts nosotros were learning.  No wonder I felt similar it was a pointless matter to teach!  

This year, I decided to learn finding charge per unit of measurement of alter straight afterwards teaching independent as well as subject variables.  It was a beautiful matter to spotter it unfold!  Every fourth dimension I gave my students a tabular array or laid of points, nosotros classified the variables equally subject or independent earlier moving on to finding charge per unit of measurement of change.  

I defined charge per unit of measurement of alter for my students equally the alter inwards the subject variable divided past times the alter of the independent variable.  This is the root fourth dimension I accept ever taught charge per unit of measurement of alter independently from slope, as well as I LOVE it!  My students are finding the slope, exactly they don't know that yet.  Most of my ninth graders come upward inwards my room amongst a history of either loving gradient or hating gradient from their middle schoolhouse years.  By focusing exclusively on charge per unit of measurement of alter as well as non slope, I'm giving them each a fresh start.  

Here are the notes nosotros ended upward taking on calculating charge per unit of measurement of alter from a tabular array or laid of points.  We made a pocket-size majority to mucilage inwards our notes.  You tin uncovering the instructions for folding this majority here.   


Another BIG alter I made this yr was making students write the units side past times side to the arrows they drew to calculate the change.  My students are struggling then much less this yr amongst remembering their units inwards their terminal answers.  Yay!




You tin download the file for this exercise majority here.

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