How to Make a Decimal Game

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A decimal game can be a great way to teach yourself new things in the world of mathematics. Make a decimal game with help from an experienced mathematics educator in this free video clip.

Part of the Video Series: Elementary Math
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Video Transcript

Hi my name is Marija. I'm a mathematician and today I'm going to tell you how to make a decimal game. So one thing that I did in my classroom when I taught eighth grade and you can make this harder or easier depending on what grade level you're dealing with is I took three different versions of a decimal. So on flash cards you would take a decimal let's say for example .25 and on the next flash card you're going to write it's equivalent in a fraction form. So .25 is the same as 1/4 and then on another index card you could write its equivalent as a percent which would be 25%. Now if you wanted to make another flash card you could also do a fraction that needs to be reduced so you don't have to put 1/4, you can also put 2/8 or something that will make the kids work a little bit harder. So now what I did was if I chose to do three versions of the decimal, I did that for multiple numbers. So I would do another set let's say for example .5. So I would do .5, I would do, instead of 1/2 let's make it a little bit harder and let's say 7/14 and then I would do 50%. Now what you do is you give each of your students one of these index cards and then you're going to put on the timer. So I think I gave them about one minute to see if they can do it. So in one minute the kids have to scramble around the room and then they have to find their match. So it's like a physical game of match and all three of these guys would have to get together. So you want in one corner of the room for these three index cards to be together, somewhere else in the room these three should be together and you time them and you know your kids so you know how much time they need. If you need to make this a little harder, for example it wasn't just at this level, what I would definitely do was add decimals because that's where they start getting tripped up so I would do things like .0025 and then also have this one and have .025 so they have to think a little bit harder and they're not just looking for the numbers, they're looking for the decimal versions of them. So this is one game that you can play in your classroom and modify it depending on the level of you students. My name is Marija and I just showed you how to make a decimal game.

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