ExploreLearning has launched an iPad version of Reflex, its math fluency tool. Reflex uses game-based instruction and practice to reinforce math facts in all four operations. The self-paced program is ...
In 1974, a geneticist named Marsha Jean Falco devised an ingenious research tool to help determine whether epilepsy in dogs was an inherited trait. She drew a series of symbols on index cards, where ...
For children who find math difficult or frustrating, or who just like to be challenged, there are many cool math games online to play for free. But are they useful? Research shows that the brain’s ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果