Build a Fraction
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Original Sim and Translations 
Topics
 Fractions
 Equivalent Fractions
 Mixed Numbers
Description
Build fractions from shapes and numbers to earn stars in this fractions game or explore in the Fractions Lab. Challenge yourself on any level you like. Try to collect lots of stars!
Sample Learning Goals
 Build equivalent fractions using numbers and pictures
 Compare fractions using numbers and patterns
 Recognize equivalent simplified and unsimplified fractions
 Note: Build A Fraction expands on ideas from the Fraction Intro and Fraction Matcher sims or can be used as a standalone tool
Standards Alignment
Common Core  Math
Keywords
Teacher Tips
Overview of sim controls, model simplifications, and insights into student thinking ( PDF ). 
TeacherSubmitted Activities
Title  Authors  Level  Type  Subject  

Equivalent Fractions Day 3 of 3  Meaghan Hixson  K5  Guided  Mathematics  
Fractions 3 Day Unit  Meaghan Hixson  K5  Guided  Mathematics  
Alignment of PhET sims with NGSS  Trish Loeblein  HS  Other  Physics Chemistry Biology Earth Science 

How do PhET simulations fit in my middle school program?  Sarah Borenstein  MS  Other  Biology Chemistry Earth Science Physics 

분수 만들기 SIM 사용설명서  이화국(Wha Kuk Lee)  K5  HW Demo 
Mathematics  
Kesirler  3 Derslik Öğrenci Çalışması  Sebnem Atabas (Translated from Fraction Unit Student Sheet by Meaghan Hixson)  MS  Guided  Mathematics 
Browse legacy activities.
Language  Download or Run  Tips  

Basque  All Basque  Eraiki zatiki bat  
Bosnian  All Bosanski  Napravi razlomak  
Chinese (Traditional)  All 中文 (台灣)  Build a Fraction_建立一個分數  
Danish  All Dansk  Byg en brøk  
Dutch  All Nederlands  Maak een breuk  
French  All français  Construire une fraction  
German  All Deutsch  Brüche bilden  
Greek  All Ελληνικά  Φτιάξε ένα κλάσμα  
Italian  All italiano  Costruisci una frazione  
Kazakh  All Kazakh  Бөлшек түрінде жаз  
Korean  All 한국어  분수 만들기  
Latvian  All Latviešu  Daļskaitļu veidošana  
Polish  All polski  Zbuduj ułamek  
Portuguese (Brazil)  All português (Brasil)  Construir uma Fração  
Russian  All русский  Запиши в виде дроби  
Serbian  All Српски  Направи разломак  
Slovak  All Slovenčina  Tvorba zlomkov  
Spanish  All español  Construye una fracción  
Spanish (Peru)  All español (Perú)  Haz una Fracción  
Swedish  All svenska  Bygg ett bråk!  
Tamil  All Tamil  பின்னத்தை உருவாக்கல்  
Vietnamese  All Tiếng Việt  Tạo ra một Phân số 
The new HTML5 sims can run on iPads and Chromebooks, as well as PC, Mac, and Linux systems.
iPad:
iOS 11+ Safari
iPad compatible sims
Android:
Not officially supported. If you are using the HTML5 sims on Android, we recommend using the latest version of Google Chrome.
Chromebook:
Latest version of Google Chrome
The HTML5 and Flash PhET sims are supported on all Chromebooks.
Chromebook compatible sims
Windows Systems:
Microsoft Edge and Internet Explorer 11, latest version of Firefox, latest version of Google Chrome.
Macintosh Systems:
macOS 10.9.5+, Safari 9+, latest version of Firefox, latest version of Chrome.
Linux Systems:
Not officially supported. Please contact phethelp@colorado.edu with troubleshooting issues.
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