meaning between 1 and ½. it is also not surprising to learn that students cannot handle (1 – 4 ½)/ (3 + 1 ½) but the expression is changed to left and right format, many students recognize it and can do it.
the above examples demonstrated on how math is mentally presented to students in one way that they are able to handle but when the same or similar expression is presented to them in a different format then they get stuck and are not comfortable to handle them. the most important training is to get students to be familiar with different way of representing the same expression and also be 