# Number & Operations - Fractions

## Making and Using Fraction Strips

Watch how a third-grade teacher introduces unit fractions through a game that involves “covering up” a unit with fractional parts. Directions for two variations of the game are included in Fraction Strip Game: Cover Up.

SOURCE: Doing What Works

## What Teachers Need to Know About Teaching Fractions

Francis “Skip” Fennell describes the knowledge teachers need to teach fractions effectively, paying special attention to multiple strategies for representing problems involving fractions. He discusses the convergence of curriculum and explores why students and teachers have difficulty with certain fraction concepts.

FEATURING: Francis Fennell, McDaniel College

SOURCE: Doing What Works

## Equal Sharing in Grade 1

Watch a teacher guide students through a problem set requiring fair sharing of objects and sets of objects. Using Sharing Cookies Worksheets, she provides differentiated challenges based on students’ skill level.

SOURCE: Doing What Works

## The Conceptual Basis for Fractions

This multimedia overview introduces how children’s intuitive understandings of sharing and proportion can serve as a foundation on which to build formal instruction of fraction concepts.

SOURCE: Doing What Works

## The Concepts Behind Operations

David C. Geary describes how to build students’ understanding of the concepts underlying operations with fractions, common misconceptions that children have, and what can be learned from their errors.

FEATURING: David C. Geary, University of Missouri

SOURCE: Doing What Works

## Web Shots for Spiderman Problem

Students use the worksheet to record findings from exploration with Cuisenaire Rods as they build a foundation for working with equivalent fractions. Their work is shown in Solving a Real-World Fraction Division Problem.

SOURCE: Doing What Works

## Same Parts, Different Whole

A fourth-grade teacher’s lesson on finding fractional parts of rectangular arrays and a group of objects requires students to compare the same fractional parts of different-size wholes.

SOURCE: Doing What Works