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Estimating Fraction Sums and Differences

Estimate the locations of a set of fraction addition and/or subtraction expressions on a number line. Check your locations for accuracy and see your most and least accurately placed expressions.

The video below provides an overview and a demonstration of the features of this app.

A similar page with this app but without the video is available at: https://www.geogebra.org/m/hxvxa2jx Adapted from the Estimating Fraction Sums and Differences resource by John Ulbright. Adapted by Regional Educational Laboratory Midwest for use with the Teaching Fractions Toolkit, which is based on the IES Practice Guide Developing Effective Fractions Instruction for Kindergarten Through 8th Grade. Contact us if this resource should be updated, or with questions or suggestions. We appreciate your help maintaining the quality of this resource.