19 July, 2013
Volume 18 No. 29
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In This Issue

Performance Level Descriptors in Math

Webinar on Common Core Math

All-Star Home Run Derby Infographic


Online PD

Orientation Sessions

Problem Based Learning Courses

Graduate Credit:
Mathematics Teaching and Learning Certificate

Master's Degree


Performance Level Descriptors in Math


The Partnership for Assessment of Readiness for College and Careers (PARCC) on Wednesday released its final grade- and subject-specific performance level descriptors (PLDs) in mathematics. Download them by grade level or course, along with a narrated PowerPoint presentation that explains their structure.

Performance levels, sometimes referred to as "achievement levels," are the broad categories used to report student performance on an assessment. The PLDs take the form of rubrics that detail how students progress through different levels of command in their learning of major math concepts, from partial to moderate to strong to distinguished.

Webinar on Common Core Math


Want to teach math aligned to the Common Core State Standards (CCSS) using web 2.0 tools and strategies? Register for the free online seminar "Common Core: Integrating Technology to Teach Math Standards while Increasing Engagement and Fostering Collaboration."

Taking place Thursday, 8 August, this webinar continues a series run by the International Society for Technology in Education (ISTE) and the Mathlanding project of Maryland Public Television (MPT).

For more expert-led webinars from ISTE, check out


All-Star Home Run Derby Infographic


A slick interactive infographic of the Major League Baseball (MLB) All-Star Home Run Derby came out just in time for Monday's power-hitting display.

Scroll below the countdown timer to compare each derby slugger's

  • home runs by month
  • proportion of hits as home runs (this season and career)
  • home run distances
  • home run heights
  • home run ball speed off bat
  • home vs away home runs
  • home run distribution to left, center, and right fields

First featured in these pages three years ago as "the fan's electronic baseball card," Uberfan now strives to build "the visual wikipedia of baseball" from every seat and ballpark — one play at a time. Download their new Ubercam app to capture baseball moments in real time for Uberfan to auto-tag to plays and statistics:



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