Digital device choice affects test scores
Students who take standardized high school tests online using tablets score lower than those who take the tests on laptops.
Math
Calculus, integral to success in STEM, favors boys
A new study out of Colo. shows that calculus I has a worse effect on women when it comes to shaking their confidence than on men.
Differences in pure math instruction reveal inequity
US students are stronger in applying math to solve real-world problems than they are in purely mathematical concepts, and it's worse for poorer students.
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.
Geometry PARCC question: similar triangles
What are the different ways of proving one triangle is similar to another triangle? AA, and what else?
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.
Geometry PARCC question: triangle dilation
When it comes to dilations of triangles, can you recognize similar and congruent parts of the before and after images?
Algebra 1 PARCC question: exponential websites
Modeling real-world situations sometimes requires a linear model, sometimes an exponential model, sometimes a coffee model.