File:Walk the Line Addition.webm
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Walk_the_Line_Addition.webm (WebM audio/video file, Vorbis/VP8, length 43 s, 640 × 480 pixels, 45 kbps overall)
English: Demonstrates walking a number line for addition
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|current||19:36, 20 April 2013||43 s, 640 × 480 (241 KB)||Plains5728||User created page with UploadWizard|
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