## Grade 5

#### Angles-2/3

**Lesson Aims**The pupils will construct a circle using the measuring tool and marking dots at equal distances.

**Name of Model**Circle.

**Lesson Structure**Mouse and circle.

**Lesson Content**This is the second lesson in learning the concept of angle as a measure of a rotation. The following lesson will make use of the mouse and circle of the the two previous lessons to fully understand the dynamic approach of folding in order to see the formation of an angle as a process of rotation. It is suggested that the pupils make several circles.

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#### Angles-3/3

**Lesson Aims**Pupils will recognize that the size of an angle is determined by the measure of rotation in relation to a given segment line.

**Name of Model**The mouse game looking for the cheese.

**Lesson Structure**Mouse, circle and the visualization of the mouse rotation on the circle.

**Lesson Content**This lesson is the 3rd activity demonstrating the concept of angle as measure of rotation.

**Materials**Glue stick,mouse and circle.

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#### 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**Triangles activity A, Triangles activity B , Polygon activity A, Polygon activity A, Polygon activities B 1/2 , Polygon activities B 2/2 , Polygon activity C , A measuring tool for comparison of lengths , Quadrilaterals A , Quadrilaterals B: Square & Rectangle – same and different, Quadrilaterals C: Square & Rectangle Line of reflective symmetry 1/2, Line of reflective symmetry 2/2, , Lines of symmetry in quadrilaterals, Translation of shapes

**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**

**The lesson structure**Triangles activity A, Triangles activity B , Polygon activity A, Polygon activity A, Polygon activities B 1/2 , Polygon activities B 2/2 , Polygon activity C , A measuring tool for comparison of lengths , Quadrilaterals A , Quadrilaterals B: Square & Rectangle – same and different, Line of reflective symmetry 1/2, Line of reflective symmetry 2/2, Quadrilaterals C: Square & Rectangle , Lines of symmetry in quadrilaterals, Translation of shapes

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

**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**

**The lesson structure**Triangles activity A, Triangles activity B , Polygon activity A, Polygon activity A, Polygon activities B 1/2 , Polygon activities B 2/2 , Polygon activity C , A measuring tool for comparison of lengths , Quadrilaterals A , Quadrilaterals B: Square & Rectangle – same and different, Line of reflective symmetry 1/2, Line of reflective symmetry 2/2, Quadrilaterals C: Square & Rectangle , Lines of symmetry in quadrilaterals, Translation of shapes

**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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#### Perpendicular and parallel straight lines 1 1/2

**Lesson Aims**During the folding processes the pupil will relate to perpendicular and parallel lines and segments.

**Name of Model**There is no model in this lesson.

**The Lesson Structure**According to planned curriculum.

**Lesson content**This is a prepatory lesson to the next lesson about parallel and perpendicular lines and segments with the model of a dress. In the lesson the pupils investigate the properties of parallel and perfpendicular lines using their measuring tool.

**Prior Knowledge**The concepts of angle,a right angle and a square.

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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 structure**Triangles activity A, Triangles activity B , Polygon activity A, Polygon activity A, Polygon activities B 1/2 , Polygon activities B 2/2 , Polygon activity C , A measuring tool for comparison of lengths , Quadrilaterals A , Quadrilaterals B: Square & Rectangle – same and different, Quadrilaterals C: Square & Rectangle, Line of reflective symmetry 1/2,

**Line of reflective symmetry 2/2**, Lines of symmetry in quadrilaterals, Translation of shapes

**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.

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#### פירוק והרכבה – חקר מרובעים (ריבוע, דלתון, מעוין, ומקבילית) Copy

**מטרות הפעילות**חקר תכונות המרובעים.

**שם הדגם**ללא דגם

**רצף מומלץ**מומלץ ללמד לפי הרצף המופיע באתר ( המותאם לפי תכנית הלימודים).

**על השיעור**התלמידים יתנסו בפירוק והרכבה ובבחינת תכונות ההכלה של המרובעים.

**משך זמן פעילות מומלץ**: 45 דקות* משך זמן הפעילות נתון לשיקול המורה, ויכול להשתנות בהתאם לגודל ואופי הכיתה.

**ידע נדרש**מומלץ ללמד לאחר מרובעים ניתוח תכונות, מיון מרובעים, קביעת קשרי הכלה.

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