Materials were written for an entire year's course in geometry in which transformations were used to develop the concepts of congruence, similarity, and symmetry, as well as being a vehicle for proof.

As many as 45% of U.S. high school seniors lack basic math skills, while more than 30% lack basic reading skills—the lowest rates in more than three decades—according to test results released by the U ...

On the heels of a troubling “report card ” on reading and math skills among American students, a global test of adult skills suggests older generations may echo those problems. The 2017 results of the ...