#### Translation of shapes

• Lesson Aims
• The pupil will identify the properties of the translation transformation.

• Name of Model
• A car

• The lesson structure
• First Stage: A prepatory lesson on the topic of the reflective transformation, reflection and line symmetry,the line of symmetry in quadrilaterals, and rotational symmetry.

Second stage: The measuring tool,a prepatory lesson on the topic of the reflective transformation, reflection and line symmetry, opposite and adjacent vertices,the diagonal as a line of symmetry in quadrilaterals,rotational symmetry and translation of shapes.

• Lesson content
• Translation as one of three transformations-Reflection,Translation,Rotation as studied in elementary school. In this lesson pupils will fold the model of a car and investigate the properties of translation, congruency of shape, the same distance in each translation of the shape and the same direction for each translation of the shape.

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#### IDENTIFICATION OF SOLIDS

• Lesson Aims
• Recognition and identification of various solids.

Recognition and identifying solids that are polyhedra and those that are not polyhedra

Recognition and identifying solid shape in the environment.

Identifying vertices,faces and edges of polyhedra.

• Model Name
• No model in this lesson.

• Lesson Content
• Classification of polyhedra and non polyhedra.

• Prior Knowledge
• Polygons shapes.

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#### MEASUREMENT-DIRECT COMPARISON AND NON-STANDARD UNITS 1/3

• Lesson Aims
• Pupils will investigate measurement by direct comparison and by non-standard units.
• Pupils will compare lengths of a certain object.
• Pupils use the measurement tool as a non-standrad unit for measuring lengths.
• Name of Model
• A finger snake

• Lesson Structure
• According to curriculum.

• Materials
• Origami sheets 15cm x15 cm

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#### COMPARISON OF POLYGON AREAS-AREA MEASUREMENT UNIT 2/3

• Lesson Aims
• The concept of a unit for measuring area.
• Measuring various objects with different units of measurement.
• Comparison of shape areas using a non-standard unit.
• Name of Model
• There is no special model but the units of area (squares) should be kept in a folder.

• Lesson Structure
• The lesson of comparison of areas 1/3 should precede this lesson.

• Lesson Content
• Understanding the concept of a unit for area measurement and comparison of area size using the same unit.

• Materials
• Three origami sheets 15cm x 15 cm.

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#### COMPARISON OF POLYGON AREAS 3/3

• Lesson Aims
• Recognition of the concept area by direct comparison of shapes.
• Comparison of area size by congruency and decomposition of shapes.
• Comparison of areas using a basic shape.
• Decomposing shapes in order to find areas of composite shapes.
• Name of Model
• Bookmark

• Lesson Structure
• According to curriculum

• Lesson Content
• Composing new polygons from a basic triangle shape and comparing areas in relation to the area of the basic triangle shape.

• Materials
• 3 Origami sheets 15 cm x 15 cm.

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#### CALCULATING THE PERIMETER AND AREA OF A RECTANGLE.

• Lesson Aims
• The pupil will recognize length and area units.The pupil will calculate area measurement of a rectangle as multiplication of the length of a row multiplied by the number of rows.
• The pupil will discover that equal areas of  rectangles does not always mean equal perimeters.
• Name of Model
• A puppy on the fence.

• Lesson Content
• Folding square grid paper and investigating perimeters and areas of various rectangles.

• Materials
• Two sheets of squared grid  origami paper 12cm x 12 cm.

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#### CUBE

• Lesson Aims
• Pupils will learn the perimeter and area dimensions of squares and rectangles.
• Pupils will learn about the construction of a cube.
• Pupils will learn about the area of the envelope of a cube.
• Name of Model
• Cube

• Lesson Structure
• According to the curriculum.​

• Lesson Content
• Pupils study the components of a cube, perimeter and area measurements of the components.

• Materials
• Square grid paper 12×12 cm and cellotape.