What I really like about these models is that you can use them from kindergarten to fifth grade or older. (Okay, maybe the arrays and area models wouldn't be helpful until third grade.)
In order to give students chances to practice with the models, I also created this chart that you can use with any equations. The place value chart is only set up for whole numbers under 9,999, but the rest of the boxes will work for fractions and decimals as well.
Here are a couple of ways you could use the sheet...
The best part about these models pages is that they are free at my TpT store! You can get it here: