#### A measuring tool for comparison of lengths

• Lesson Aims
• The pupils  will use the measuring tool for comparison of lengths and identification of right angles.

• Name of Model
• A measuring tool for comparison of length

• The lesson structure
• Lesson content
• Pupils will identify right angles intuitively using the measuring tool.

Pupils will identify right angles in various orientations.

The measuring tool should be folded  and kept in the pupils workbook at the conclusion of each lesson.

• Prior Knowledge
• Intuitive  identification  of right angles.

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#### Polygon activity 3 decomposition and composition 1/2

• Lesson Aims
• The pupils during the folding process will identify polygons according to stated properties. The pupils will learn how to form different polygons with their sheets and investigate the various properties of the folded shapes.

• Model Name
• Polygon activity 3 decomposition and composition 1/2

• Lesson structure
• Lesson content
• The decomposing and composing activities allow the children to create various polygons during the folding process and with the combination of several triangular folded shapes. With a series of questions and answers during the folding process the pupils are able to deepen their geometric reasoning in a dynamic environment.

• Prior knowledge
•       .Concepts of sides and vertices in polygon, Parallels side

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#### Polygon activity 3 decomposition and composition 2/2

• Lesson Aims
• The pupils will fold and identify shapes according to their properties.

The pupils will use paper folding in order to make geometric shapes and investigate their properties.

• Name of Model
• A rabbit finger puppet

• Lesson content
• In this lesson the pupils investigate polygons that are formed during the folding process. There is a surprise at the end of the lesson.  The pupils learn new concepts and refresh their previous learning.

• Prior knowledge
• If during the folding process there are cases of inexact folding by some of the pupils, then these cases will be used to identify differences between the polygons and their properties. The pupils will also learn the concept of polygon sides and vertices.

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#### Quadrilaterals activities 3,4 /This lesson is in the process of translating into English

• מטרות הפעילות
• התלמידים יזהו את המרובעים: ריבוע, מלבן, מקבילית, מעוין, טרפז, דלתון.
• התלמידים יזהו ויסרטטו ישרים מקבילים.
• שם הדגם
• מעבורת חלל

• על השיעור
• בשיעור זה יחקרו התלמידים את סוגי המרובעים המתהווים במהלך קיפול הדגם. בסיום השיעור מתקבל התוצר הסופי כהפתעה, תוך לימוד מושגים חדשים וחזרה על המושגים שנלמדו בשיעורי ההכנה.

• ידע נדרש
• הכרת המושגים: צלעות, קדקודים.

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#### Quadrilateral activity 2 / This lesson is in the process of translating into English

• מטרות הפעילות
• התלמידים יזהו מרובעים, בדגש על דלתון וריבוע.
• התלמידים יזהו את הקטעים המאונכים בריבוע ובמעוין.
• שם הדגם
• ציפור מנקרת

• על השיעור
• בשיעור זה יחקרו התלמידים את סוגי המצולעים המתהווים במהלך קיפול הדגם. בסיום השיעור מתקבל התוצר הסופי כהפתעה, תוך לימוד מושגים חדשים וחזרה על המושגים שנלמדו בשיעורי ההכנה. בפעילות זו התלמידים יזהו, יחקרו את המעוין והריבוע.

• ידע נדרש
• הכרת המושגים: צלעות, קדקודים, מרובעים.

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#### Quadrilaterals B: Square & Rectangle – same and different

• Lesson Aims
• The pupils will identify the square and rectangle and know the same and different properties of each shape.
• The pupils will fold a rectangle from a square and investigate the lengths of the sides.
• Name of Model
• An envelope

• The lesson structure
• Prior knowledge
• The concepts of vertex, side and polygon

• Stages in the curriculum

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#### Line of reflective symmetry 1/2

• Lesson Aims
• To identify a line of reflective symmetry.
• To discover the properties of a reflective line of symmetry in a given shape.
• To find a line of symmetry in a given shape.
• Model Name
• Line of reflective symmetry 1/2

• Lesson content
• This lesson is the first lesson about the concept of reflective symmetry.  There is no final model and its contents are preparation for the following lesson whose model is at the core of the topic of symmetry.
• Prior knowledge
•  Polygons.

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#### Perpendicular line and perpendicular side of poligon

• Lesson Aims
• The study of Perpendicular Lines and Perpendicular Sides of Polygons.
• Comparison of angle sizes.
• Investigation of angles and  Perpendicular Lines and Perpendicular Sides of Polygons.

• Name of Model
• A sweet box.

• The Lesson Structure
• The measuring tool,Composition and Decomposition,Polygons 3,Perpendicular Lines and Perpendicular Sides of Polygons.

• Lesson Content
• In this lesson the pupils will investigate intersection of straight lines,perpendicular lines and perpendiculars sides of Polygons. The model comes as surprise while learning new concepts and revising previously learnt concept.

• Prior knowledge
• .The concepts of Angle, Right Angle,Square and Pentagon

• Materials
• Measuring Tool, origami sheets 15×15 cm.

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#### Line of reflective symmetry 2/2

• Lesson Aims
• To identify a line of reflective symmetry.
• To discover the properties of a reflective line of symmetry in a given shape.
• To find a line of symmetry in a given shape.
• Model Name
• A heart of symmetry

• Lesson content
• This lesson is the second lesson about the concept of reflective  the symmetry. pupils will investigate the reflective symmetry, during the process of folding the hart

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#### Perpendicular Line

• Lesson Aims
• Pupils will recognise perpendicular lines and draw perpendicular lines.

• Name of Model
• The swimming fish.

• The Lesson Structure
• The measuring tool,Composition and Decomposition of Shapes, Polygons 3,Perpendicular  lines and sides of polygons.

• Lesson Content
• In this lesson the pupils will investigate perpendicular and intersecting lines. At the conclusion of this lesson the final model will be a surprise while learning new concepts and revising previously learnt geometrical concepts.

• Prior knowledge
• Angles,right angle,sides of a polygon.