The students will use models and draw pictures to multiply fractions.

Adding and subtracting fractions When adding or subtracting fractions, you need to look at the denominator. If the denominator is the same, then you can just add or subtract the numerator.

Although teachers already use models when talking about fractions — for instance, to show a picture of a pie with slices eaten — they often put them away too quickly. To prove that the constant use of ...