For the visually impaired, certain subjects are particularly challenging. While English and biology can often be learned by listening to e-books or lectures, math and physics rely heavily on visual ...
Two effective manipulatives that can be used to support fractions and base 10 learning are base 10 blocks and Cuisenaire rods ...
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