Illustrating Addition and Subtraction of Proper Fractions

Suitable for self learning or classroom lesson presentation. Updated 11 Aug 2014. Minor bug in mixed number fraction display. Updated 17 Mar 2019 Use of button to step through addition & subtraction process, and use inputboxes for numerators and denominators See John Ulbright's work at https://www.geogebra.org/material/show/id/szwBQ7wa (which uses bar diagrams to represent fractions) See also https://www.geogebra.org/material/show/id/qwjhd8kx on comparing fractions by converting to equivalent fractions using common denominators or common numerators!

 

Lew W.S.

 
Resource Type
Activity
Tags
addition  equivalent  fraccion  fraction  substraction  subtraction 
Target Group (Age)
6 – 10
Language
English (United Kingdom)
 
 
 
© 2019 International GeoGebra Institute