US announces school web accessibility agreement
When schools or school districts (public ones) build websites, they ought to make sure students and others with disabilities can access that content.
STEM
Quinn the robot teaches geometry in groups
A robot is helping students learn geometry. Research points us toward moving students into collaborative groups, away from 1-to-1 device use.
Common Core math may set unrealistic goals
The Common Core has been controversial, especially for our youngest students, and a survey conducted over a year ago suggests changes may be in order.
Tech helps a school in S.D. eliminate grade levels
Can grade levels be eliminated in elementary school in favor of educational groups that are more aligned to student progress in each subject?
Genetics may play a role in abnormal psych
The role of genetics is being investigated, as scientists look for a way to treat patients with autism, ADHD, depression, and schizophrenia.
Severe storms rake nation’s midsection
Severe storms raked through Kansas, Oklahoma, and even as far east as Indiana Tuesday afternoon. Tornadoes and 4-inch hail were reported.
Geometry PARCC question: similar triangles
What are the different ways of proving one triangle is similar to another triangle? AA, and what else?
Railcar implosion physics stacks the deck
A railcar can implode, given a sufficient difference in air pressure outside compared to air pressure inside the railcar.
Geometry PARCC question: equidistant in plane
Circles are defined as all points in a plane equidistant from a given point, the center. All radii of a circle are congruent by definition.
Geometry PARCC question: diagonal length
The diagonal of a square can be determined using the Pythagorean Theorem or, just as well, with trigonometry.