 This is how I do subtraction with my students. I'm going to show you the materials that I use to do subtraction. We have a pencil. This is the symbol for subtraction or minus. These are the tiles that I'm going to use for doing this activity. This is the sheet, a little sheet where they're going to write the problem. And in this pouch, I already have pre-written problems. We use these tiles, but when you want to do this activity, you can use things like marbles or beans or beads or anything, any other concrete objects. Friends, we are going to learn how to do subtraction with tiles. First you take your sheet. Then I'm going to get my problem out from the pouch. And then I'm going to write my problem. So it's four, take away one. And you know that's your symbol for subtraction. And you write your answer on this side of the equal to sign. Four, take away one. So one, two, three, four. And you're going to take one away. So now what is left on this side? One, two, three. So my answer is three. And when you're done, you can take this home, put my tiles back, my symbol back. And I'm going to leave it here. And your problem goes right in the pouch. Now you friends get to do the subtraction problem on your own. Take your paper, tiles please. Now from eight, we're going to take two away. You already have your number. Get your sheet. Let's get your sheet. Wow, awesome.