When working with fractions it is important to know how many equal parts the whole has been divided into. These shapes all have one part shaded. They are unit fractions. Unit fractions all have a ...

Understand unit fractions – fractions with one as the ... Have them practice fractions by drawing a shape, such as a circle or a square, and asking her to color in 1⁄2 or 3⁄4 of it.

Hence calculus, which is the Ancient Greek word meaning 'pebbles'. The ancient Egyptians only ever used unit fractions – that is, fractions of the form 1/n. They never conceived of 2/5 as a ...