Above is a photo of a 4-door foldable for the three density related formulas: D= M/V, V= M/D, and M = VxD. The 4th door has step by step instructions on how to solve a word problem. Along with the formulas, inside the foldable are 3 practice problems, and a few notes about mass, volume, and density.
On the right side of the notebook are practice problems. Students have to determine which formula is needed, set up the problem, solve, and add the correct units. They can refer to their foldable for the formula and how to solve the problems. I have the students close the flaps for the known values. For example, if the problem states the Density and Volume values, they close those doors on the foldable leaving the Mass flap open, since it is the missing value. That is formula they will then use to set up the problem correctly and solve.
My main goal for this lesson is having the students choose the right formula, set up the formula by plugging in the known values (this is a step that the kids don’t feel the need to do/show as part of their work), and adding the correct units when done. Some students may have a little difficulty with multiplying or dividing decimals and rounding to the 100ths place, so I usually go over that before we begin by modeling a few problems with them.
Resources:
- BrainPOP Movie: Measuring Matter
- BrainPOP – Graphic Organizer MVD Matrix
- Mass, Volume, Density Notes (pdf)
- BrainPOP Mass, Volume, Density Table
- Using Formulas: Mass, Volume, or Density? Practice Problems (pdf)
Middle School Science Blog 
Thank-you so much for sharing your wonderful ideas & materials!! I use a lot of them.
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Thanks for letting me know, I appreciate it!
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