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Flake Pad: Create geometric, symmetrical shapes

What it is:  Flake Pad is a very simple little website that lets students create geometric snowflakes using basic shapes and a grid.  To make their flake, students choose a shape and click a spot on the grid.  Students can add as many or as few shapes as they would like to their flake. When they are done the flake can be viewed off of the grid for a screen shot that can be included in other projects or it can be printed off.  I like Flake Pad because it gives students space to be creative and can be used to teach and practice symmetry. How to integrate Flake Pad into the classroom:  Flake Pad is a great little site to help students understand symmetry.  Any time students click a space on the grid, the shape is added to multiple points on the grid.  Use Flake Pad on an interactive whiteboard or projector-connected computer where students can identify lines of symmetry on the flake that the whole class can see. With the pointer tool on Flake Pad, students can drag the shapes they have created to different points.  Have students in the audience describe what happens to the flake as the shapes are moved.  Do the lines of symmetry change? Flake Pad can be used on classroom computers as a center activity.  Students can create their own flake, print the flake out and draw the various lines of symmetry with a ruler. Use Flake Pad during a unit on weather.  Students can experiment with creating their own snow flake, print the flake out and use the print out to list characteristics of snow, or snow related vocabulary along any straight lines on their flake. Tips: Flake Pad works from the Safari browser on an iPad….mostly. The line shape doesn’t work.  Students could still create their own flakes, print and add lines with a pencil…further practicing their understanding of symmetry! Please leave a comment and share how you are using Flake Pad in  your classroom!

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Numberphile: a series of numberly videos

Posted by admin | Posted in Analyze, Create, Evaluate, Inquiry, inspiration, Interactive Whiteboard, Math, Middle/High School, Primary Elementary, Secondary Elementary, Teacher Resources, Understand (describe, explain), video, Video Tutorials, Websites | Posted on 28-01-2013

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What it is: Numberphile is a series of “numberly” videos by Brady Haran.  This is the same guy behind some other great projects including periodicvideos and sixtysymbols.  These videos reveal some of the mystery behind numbers and math in fun, short snippets!  I could give a long, drawn out explanation about the site…but really, you should go have a look and play a few videos. Or, try out the video below:

How to integrate Numberphile into the classroom: Numberphile can make a math geek out of anyone, myself included!  I don’t tend to geek out very much about numbers or math, but show me pattern and reveal some of the mystery that numbers hold and I am in.  This is what Numberphile does beautifully!  Numberphile would make a fantastic opening for math class.  Start each math class with these short videos to get your brain’s math muscles working.  I’ve watched 3 videos in a row and I am seriously geeking.

Ask students to each choose a different video to watch.  Students can learn a new math “trick” or pattern in math to teach their classmates.  The goal: creatively teach the concept!  They could create their own video, stop motion animation, infographic, story, illustration, etc.  Hold a math day  (3/14 would be fun…pi day) where students get to spend the day teaching one another.

You may assume that these videos are best for older students, not so!  At Anastasis, our 2nd and 3rd graders had a ball learning about Fibonacci and will happily explain it to any who enter their classroom.  Find an area of interest and share the passion!

Tips: All of the videos on Numberphile are YouTube videos.  If you don’t have access to YouTube in your building, try one of these methods for accessing the videos:

  • YouTube for Schools- This is a YouTube that has been created just for schools.  Network administrators must be involved so that they can add this option for YouTube into your filtering system.  This is a completely customizable option that lets teachers and administrators add videos to a playlist that you have predetermined you want students to watch.  Teachers can find videos by Common Core Standard, subject or grade.  Students can watch videos that teachers and administrators have approved or any YouTube Edu video (think Kahn Academy, PBS, TED, Stanford, etc.).
  • SafeShare TV- This site lets students watch YouTube videos without ads, links, comments and related videos.  You also have the option to crop videos and share videos with a unique URL.
  • YouTubeXL- This is a service that YouTube provides that lets you watch videos on large screens without the ads and comments. Neat tip: if you time “quiet” before the YouTube url, it takes you to a safe page where you can watch a YouTube video.  WAY cool and easy to do on the fly!
  • Clean VideoSearch- This site lets students search through YouTube videos without the comments, ads and busy sidebar.  It has additional features like the ability to choose how many videos you want to see on each page in your search.
  • Clea.nr- This service (a browser plugin) deletes all of the obnoxious extras that hang around videos (ads, comments, related videos). You can also search YouTube without all of the extras showing up.
  • ViewPure- This site cleans out all the clutter and gives you just a video.  Bonus: There is a quick button that you can add to your browser so that you can go to a video, click on “Pure” in your bookmark bar and instantly have a clean video.
  • Dragontape- This service lets you drag videos into a timeline and share them easily with students.  This is great for mashing up several videos, or cropping multiple videos into one.
  • Movavi- This is a video conversion service. Wonderful for teachers who can’t or don’t want to access a video directly from YouTube.  Copy/paste the url you want to convert, choose a file type, done!
  • Zamzar- This is another great video conversion service.  Works quickly and easily!
  • SaveYouTube- This site used to be called KickYouTube.  Here you can enter the url and download it to your computer to play offline.

Leave a comment and tell us how you are using Numberphile in your classroom.

Comments (2)

MaryAnn Powell said on 29-01-2013

I do have YouTube in my schools, but was troubled by the fact that the final paragraph says, “…try one of these methods for accessing the videos,” and then doesn’t give any methods! Yikes! Help those whose districts haven’t opened the YouTube channel by including your tips!
admin said on 01-02-2013

Did I forget the link?! Thanks for letting me know.

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