Another common struggle: the parts-of-a-whole problem. Fractions are introduced through the “pizza model,” but students’ ...

Use to illustrate the processes of multiplying fractions, and reinforce the idea of multiplying across the way, numerator multiplied by numerator, denominator by denominator. For division ...

To divide fractions by a whole number ... ÷ 2 = \( \frac{2}{5}\) . Another way to work this out without using a diagram is to divide the numerator by the whole number and keep the denominator ...