# Arealbyggar

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Klikk for å starte
Bruk denne HTML-koda for å vise eit skjermbilete med orda "Klikk for å starte". Areal Perimeter Fractional areas PhET er støtta av og pedagogar som deg.

### Innhald

• Areal
• Perimeter
• Fractional areas
• Scale factors

### Description

Create your own shapes using colorful blocks and explore the relationship between perimeter and area. Compare the area and perimeter of two shapes side-by-side. Challenge yourself in the game screen to build shapes or find the area of funky figures. Try to collect lots of stars!

### Døme på læringsmål

• Find the area of a shape by counting unit squares
• Describe the relationship between area and perimeter
• Build shapes with a given area and/or perimeter
• Find the area of an irregular shape by decomposing into smaller, regular shapes (e.g., rectangles, triangles, squares)
• Determine the scale factor of similar shapes
• Generalize how area and perimeter change when scaling shapes

### Standards Alignment

#### Common Core - Math

3.MD.C.5
Recognize area as an attribute of plane figures and understand concepts of area measurement.
3.MD.C.5a
A square with side length 1 unit, called "a unit square," is said to have "one square unit" of area, and can be used to measure area.
3.MD.C.5b
A plane figure which can be covered without gaps or overlaps by n unit squares is said to have an area of n square units.
3.MD.C.6
Measure areas by counting unit squares (square cm, square m, square in, square ft, and improvised units).
3.MD.C.7
Relate area to the operations of multiplication and addition.
3.MD.C.7a
Find the area of a rectangle with whole-number side lengths by tiling it, and show that the area is the same as would be found by multiplying the side lengths.
3.MD.C.7b
Multiply side lengths to find areas of rectangles with whole-number side lengths in the context of solving real world and mathematical problems, and represent whole-number products as rectangular areas in mathematical reasoning.
3.MD.C.7c
Use tiling to show in a concrete case that the area of a rectangle with whole-number side lengths a and b + c is the sum of a × b and a × c. Use area models to represent the distributive property in mathematical reasoning.
3.MD.C.7d
Recognize area as additive. Find areas of rectilinear figures by decomposing them into non-overlapping rectangles and adding the areas of the non-overlapping parts, applying this technique to solve real world problems.
3.MD.D.8
Solve real world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different areas or with the same area and different perimeters.
6.G.A.1
Find the area of right triangles, other triangles, special quadrilaterals, and polygons by composing into rectangles or decomposing into triangles and other shapes; apply these techniques in the context of solving real-world and mathematical problems.
Version 1.1.20

### Teacher Tips

 Lærarguiden (pdf) inneheld tips som er laga av PhET-teamet. ( PDF ).

### Teacher-Submitted Activities

Games Remote Lesson ideas Trish Loeblein Student - intro
Barneskule
Ungdomsskule
vgs
Remote
Lekse
Kjemi
Fysikk
Matematikk
Scaling Shapes Activity and Lesson Amanda McGarry vgs
Ungdomsskule
Guided Matematikk
vgs
Guided Matematikk
How do PhET simulations fit in my middle school program? Sarah Borenstein Ungdomsskule Anna Biologi
Geofag
Kjemi
Fysikk
Middle School Math Sim Alignment Amanda McGarry Ungdomsskule Anna Matematikk
SECUNDARIA: Alineación PhET con programas de la SEP México (2011 y 2017) Diana López vgs
Ungdomsskule
Anna Kjemi
Biologi
Fysikk
Matematikk
PREPARATORIA: Alineación de PhET con programas de la DGB México (2017) Diana López vgs
Student - intro
Anna Fysikk
Kjemi
Matematikk
PRIMARIA: Alineación con programas de la SEP México (2011 y 2017) Diana López Barneskule
Ungdomsskule
Lab
Discuss
Lekse
Guided
Demo
Astronomi
Kjemi
Matematikk
Fysikk
Preguntas de razonamiento para todas las simulaciones HTML5 Diana López vgs
Student - avansert
Ungdomsskule
Barneskule
MSc/PhD
Student - intro
Lekse
Discuss
Matematikk
Kjemi
Fysikk
Astronomi
Mali majstor za površine Anita Sečan Anna Guided Matematikk
Veliki majstor za površine Anita Sečan Anna Anna Matematikk
MS and HS TEK to Sim Alignment Elyse Zimmer vgs
Ungdomsskule
Anna Fysikk
Kjemi
Biologi
Exploring Area and Perimeter Jill Minello Barneskule Guided Matematikk
Border Problem - Intro to Algebraic Expressions Jennifer Moeller Ungdomsskule
vgs
Discuss
Guided
Matematikk
Fencing Spaces: Fixed Perimeter, Changing Area Krystle Hapner Barneskule
Ungdomsskule
Guided Matematikk
Exploring Rectangles (area and perimeter) Conor Doyle Barneskule Lab
Lekse
Guided
Matematikk
Building Area and Perimeter Jasmine Sidana Barneskule Guided Matematikk
Creating a Garden Alanna Toomey Barneskule Guided Matematikk
Area Builder Lesson Stefanie Akrish Barneskule Lab
Lekse
Guided
Matematikk
Area Builder for grades 3-5 Molly Martin Barneskule Guided Matematikk
What's My Area? Rachael Ortega Barneskule Lab
OS
Trabalhando áreas de figuras planas com auxilio do OA Construtor de Áreas Francisco Ellivelton Barbosa; Juscileide Braga de Castro Barneskule Guided
Lab
Matematikk
Área de figuras planas por meio do OA - Construtor de Áreas Arianny de Sousa Lira, Márcio Matoso de Pontes e Juscileide Braga de Castro Barneskule Lab Matematikk
Figuras Semelhantes Prof. Ms. Ana Paula Rodrigues Alves / Prof. Dr. Francisco Régis Vieira Alves Ungdomsskule Guided Matematikk
Área de Figuras Planas Maria Helena de Andrade Ungdomsskule Guided
Lab
Lekse
Matematikk
Áreas y Perímetros Yarely Mariana Vela Soberanis Ungdomsskule
Barneskule
Lekse
Guided
Matematikk
Albanian All shqip Ndërtuesi i syprinës
Arabic All العربية بناء المساحة
Armenian All Armenian Մակերեսի հաշվումը
Basque All Euskara Azalera eraikitzailea
Bosnian All Bosanski "Majstor" za površine
Catalan All català Constructor d'àrees
Chinese (China) All 中文 (中国) 区域建造者
Chinese (Taiwan) All 中文 (台灣) Area Builder_周長與面積
Czech All čeština Obsah a obvod
Danish All Dansk Arealbygger
Dutch All Nederlands Een oppervlakte bouwen
English All English Area Builder
Faroese All Faroese Víddir
Finnish All suomi Pinta-alan rakentaja
French All français Constructeur d'Aire
Georgian All ქართული ფართობის მშენებელი
German All Deutsch Flächen belegen
Greek All Ελληνικά Περίμετρος & Εμβαδόν
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Hungarian All magyar Területépítő
Irish All Gaeilge Tógálaí Achair
Italian All italiano Disegna un'area
Japanese All 日本語 図形の面積
Kazakh All Kazakh Фигуралардың конструкторы
Korean All 한국어 면적 생성기
Lao All Lao ສ້າງພື້ນທີ່
Latvian All Latviešu Figūru laukumi
Malay All Bahasa Melayu Binaan Ruang
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Maori All Maori Hangaia he Horahanga
Marathi All मराठी क्षेत्रफ़ळ शोधा
Mongolian All Монгол (Монгол) Талбай байгуулагч
Persian All فارسی سازندۀ مساحت
Polish All polski Budowniczy powierzchni
Portuguese All português Construtor de Áreas
Portuguese (Brazil) All português (Brasil) Construtor de Área
Russian All русский Конструктор фигур
Serbian All Српски "Мајстор" за површине
Sinhalese All Sinhalese වර්ගඵලය ගොඩනඟමු
Slovak All Slovenčina Staviteľ plochy
Slovenian All Slovenščina Ploščina in obseg
Spanish All español Constructor de Áreas
Spanish (Mexico) All español (México) Constructor de Áreas
Spanish (Peru) All español (Perú) Constructor de Áreas
Spanish (Spain) All español (España) Constructor de áreas
Swedish All svenska Bygg area
Tamil All Tamil பரப்பளவு கட்டுபவர்
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Turkish All Türkçe Alan Oluşturucu
Ukrainian All українська Будівник площі
Urdu All Urdu رقبہ ساز
Uzbek All Uzbek Yuza yasovchi
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Designteam Tredjepartsbibliotek Takk til
• John Blanco (developer)
• Bryce Gruneich
• Amanda McGarry
• Ariel Paul
• Kathy Perkins