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Deskribapena

Explore fractions while you help yourself to 1/3 of a chocolate cake and wash it down with 1/2 a glass of water! Create your own fractions using fun interactive objects. Match shapes and numbers to earn stars in the fractions game. Challenge yourself on any level you like. Try to collect lots of stars!

Ikaskuntzaren oinarrizko helburuak

  • Predict and explain how changing the numerator of a fraction affects the fraction's value
  • Predict and explain how changing the denominator of a fraction affects the fraction's value
  • Convert between a picture of a fraction, a numeric fraction, and a point on a number line
  • Build matching fractions using numbers and pictures
  • Compare fractions using numbers and patterns

Ohizko alineamenduak

Common Core - Math

1.G.A.3
Partition circles and rectangles into two and four equal shares, describe the shares using the words halves, fourths, and quarters, and use the phrases half of, fourth of, and quarter of. Describe the whole as two of, or four of the shares. Understand for these examples that decomposing into more equal shares creates smaller shares.
2.G.A.3
Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc., and describe the whole as two halves, three thirds, four fourths. Recognize that equal shares of identical wholes need not have the same shape.
3.G.A.2
Partition shapes into parts with equal areas. Express the area of each part as a unit fraction of the whole. For example, partition a shape into 4 parts with equal area, and describe the area of each part as 1/4 of the area of the shape.
3.NF.A.1
Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.
3.NF.A.2
Understand a fraction as a number on the number line; represent fractions on a number line diagram.
3.NF.A.2a
Represent a fraction 1/b on a number line diagram by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts. Recognize that each part has size 1/b and that the endpoint of the part based at 0 locates the number 1/b on the number line.
3.NF.A.2b
Represent a fraction a/b on a number line diagram by marking off a lengths 1/b from 0. Recognize that the resulting interval has size a/b and that its endpoint locates the number a/b on the number line.
Bertsioa: 1.0.9

Irakasleentzako tresnak

Irakasle tresnak PDFa jetxi Irakasle-gidak (pdf) PhET taldeak sortutako tresnak ditu. ( PDF ).

Irakasleak bidalitako jarduerak

What is a Fraction? A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Anonymous K-5 (10 urte) Besteren bat Matematika
Comparing and Ordering Fractins Day 2 of 3 A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Meaghan Hixson K-5 (10 urte) Gidatua Matematika
What is a Fraction? Day 1 of 3 A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Meaghan Hixson K-5 (10 urte) Gidatua Matematika
Building Fraction Sense Using “Fractions Intro PhET Simulation” A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Philippe Guegan MS (LH)
K-5 (10 urte)
Eztabaida
Gidatua
Matematika
Equivalent Fractions Day 3 of 3 A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Meaghan Hixson K-5 (10 urte) Gidatua Matematika
Fractions 3 Day Unit A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Meaghan Hixson K-5 (10 urte) Gidatua Matematika
Alignment of PhET sims with NGSS This contribution was designed by PhET. Trish Loeblein HS (BH) Besteren bat Lurraren zientzia
Kimika
Fisika
Biologia
How do PhET simulations fit in my middle school program? This contribution was designed by PhET. Sarah Borenstein MS (LH) Besteren bat Biologia
Kimika
Fisika
Lurraren zientzia
Naming Fractions Bettie Parker K-5 (10 urte) Eztabaida
EL
Frogapena
Gidatua
Lab
Matematika
분수 소개 SIM 사용설명서 이화국(Wha Kuk Lee) MS (LH) Frogapena
EL
Matematika

Hizkuntza Deskarga eta exekutatu Aholkuak
Alemana Dena Deutsch Download Run now Brüche: Einführung
Bosniera Dena Bosanski Download Run now Razlomci: Uvod
Daniera Dena Dansk Download Run now Brøker: Intro
Errusiera Dena русский Download Run now Дроби: Введение
Eslovakiera Dena Slovenčina Download Run now Zlomky: Úvod
Espainiera Dena español Download Run now Fracciones: introducción Irakasle tresnak PDFa jetxi
Espainiera (Mexico) Dena español (México) Download Run now Fracciones: Introducción Irakasle tresnak PDFa jetxi
Espainiera (Peru) Dena español (Perú) Download Run now Fracciones: Introducción
Frantsesa Dena français Download Run now Fractions: Intro
Grekoa Dena Ελληνικά Download Run now Εισαγωγή στα κλάσματα
Hindia Dena हिंदी Download Run now भिन्न (भाग) : प्रस्तावना 
Ingelesa Dena English Download Run now Fractions: Intro
Italiera Dena italiano Download Run now Frazioni: Introduzione
Kazakhera Dena Kazakh Download Run now Бөлшектер: Кіріспе
Koreera Dena 한국어 Download Run now 분수: 기초
Kroaziera Dena hrvatski Download Run now Razlomci: Uvod
Letoniera Dena Latviešu Download Run now Daļskaitļi: Ievads
Mongoliera Dena Монгол (Монгол) Download Run now Бутархай: Тайлбар
Nederlandera Dena Nederlands Download Run now Breuken: inleiding
Norwegian Nynorskera Dena Norwegian Nynorsk Download Run now Brøk
Poloniera Dena polski Download Run now Ułamki: wstęp
Portugesa (Brazil) Dena português (Brasil) Download Run now Frações: Intro
Serbiera Dena Српски Download Run now Разломци: Увод
Suediera Dena svenska Download Run now Bråk: Intro
Tamilera Dena Tamil Download Run now பின்னங்களின் அறிமுகம்
Txinera (Simplified) Dena 中文 (中国) Download Run now 分数:入门
Txinera (Traditional) Dena 中文 (台灣) Download Run now Fractions: Intro_分數的介紹
Ukrainera Dena українська Download Run now Дроби: Вступ
Vietnamera Dena Tiếng Việt Download Run now Phân số: phần giới thiệu

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 Chrome.

Linux Systems:
Not officially supported. Please contact phethelp@colorado.edu with troubleshooting issues.

Diseinu ekipoa Third-party Libraries Eskerrak honako hauei:
  • Ariel Paul (lead designer)
  • Jonathan Olson (lead developer)
  • Sam Reid (original developer)
  • Martin Veillette (developer)
  • Michael Dubson
  • Trish Loeblein
  • Amanda McGarry
  • Kathy Perkins
  • Vincent Davis
  • Michael Moorer
  • Dusty Cole
  • almond-0.2.9.js
  • base64-js-1.2.0.js
  • easing-equations-r12
  • FileSaver-b8054a2.js
  • font-awesome-4.5.0
  • game-up-camera-1.0.0.js
  • he-1.1.1.js
  • himalaya-0.2.7.js
  • jama-1.0.2
  • jquery-2.1.0.js
  • lodash-4.17.4.js
  • pegjs-0.7.0.js
  • seedrandom-2.4.2.js
  • text-2.0.12.js
  • TextEncoderLite-3c9f6f0.js
  • Tween-r12.js