This short video and interactive assessment activity is designed to teach fifth …

This short video and interactive assessment activity is designed to teach fifth graders about comparing fractions with common denominators or common numerators.

This task is meant to address a common error that students make, …

This task is meant to address a common error that students make, namely, that they represent fractions with different wholes when they need to compare them. This task is meant to generate classroom discussion related to comparing fractions. Particularly important is that students understand that when you compare fractions, you implicitly always have the same whole.

The focus of this task is on understanding that fractions, in an …

The focus of this task is on understanding that fractions, in an explicit context, are fractions of a specific whole. In this problem there are three different wholes: the medium pizza, the large pizza, and the two pizzas taken together.

The purpose of this task is to have students think about the …

The purpose of this task is to have students think about the meaning of multiplying a number by a fraction, and to use this understanding of fraction multiplication to make sense of the commutative property of multiplication in the case of fractions.

This task gives students word problems with a given a set of …

This task gives students word problems with a given a set of a specified size and a specified number of subsets. The questions ask the student to find out the size of each of the subsets.

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