Monday, February 7, 2011

Math Applet #1 Grouping and Grazing

Information: Grouping and Grazing http://illuminations.nctm.org/ActivityDetail.aspx?ID=218
Summary: This virtual manipulative uses the image of cows to teach children counting, place value, subtraction, addition and grouping using single and double-digit numbers. The player has the option of grouping the cows in fives or tens or to add or subtract them. At the end of each round, there is a button that tells the student if they were right or if they need to keep trying. During adding and subtraction the student inputs they number they think is there. A red barn is added to the bottom of the screen each time a player gets the answer correct.
Critique: I played first without looking at the directions, acting as if I were a pre-k or kindergarten aged student who didnt know how to read. It was easy enough for me to figure out through a little trial and error, and although directions should be gone over prior, a child Pre-K through 2nd, could figure it out. I liked that there were four skills to work on through this game allowing practice for those struggling and a challenge for those who are ahead. The motivational and positive red barns after each correct answer was appropraiate as was the box that read "try again", if needed. It had activities that ranged well between Pre-K and 2nd! I am brining this up to my co-teachers at my Preschool for the kids to use during computer time!

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