Visual aids are so important

Dyscalculia: News from the web:

Seen on Twitter from someone who saw it on Facebook, but here is the story. Our students often have difficulty grouping like terms or substituting. As soon as we change the symbolic language for pictures of something they are familiar with, their focus changes and they have less difficulty working the problems. Hence the cycle Concrete representational abstract. So if they have problems with the abstract notation, move back to the representational.