Enlargements

Subject: Mathematics

Grade: Lower Secondary

Publisher: YDP

Resource types: Whiteboard presentation

Resource ID: e1660
Description:

At the end of this activity, students should be able to:
draw images of figures under enlargement with respect to a given point and using a given scale
- find the centre point of an enlargement
- find the scale of an enlargement
- know and use properties of enlargements
- know how the area of a given figure is changed after enlargement
- know how the volume of a given solid is changed after enlargement.

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Enlargements Class activity

Consists of...
Introduction to an ... Animation An enlargement Simulation The triangle under ... Animation The figures under e... Whiteboard exercise The triangles under... Whiteboard exercise Diminution Animation Enlargements with f... Whiteboard exercise Interesting informa... Animation Negative scale factor Animation Enlargements with n... Whiteboard exercise Property of enlarge... Simulation Property of enlarge... Whiteboard exercise The distance betwee... Animation The distance betwee... Whiteboard exercise Enlargement on the ... Animation Enlargements in the... Whiteboard exercise The composition of ... Animation Areas under enlarge... Animation Areas of images of ... Whiteboard exercise Area under enlargem... Whiteboard exercise Volumes under enlar... Animation Volumes of images o... Whiteboard exercise

Relevant to...

Secondary School

Lower Secondary (Grades 7-9)

Mathematics

Geometry and transformations

19. Enlargements

YDP SA

Keywords

scale, figure, image, enlargement, coordinate, geometry, enlargements

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