Triangles in Everyday Objects: Photo Cutouts
Spot triangle shapes in real-world photographs, then use the cutouts for sorting or a collage. Discuss the sides and corners of each example.
- Year levels
- Foundation–Year 2
- Pages
- 21
- File type
- Subject
- Geometry, Maths
- Resource types
- Activities
From the author
About this resource
This is a PDF file that is 21 pages long full of real-life pictures that are triangles. There are a total of 40 pictures.
Implementation Format:
Pictures can be cut out to make a triangle collage
Sort the triangle pictures
Talk about different kind of triangles: obtuse, acute, etc.
Use in a small group
Use at a maths centre
Used in Foundation Everyday Mathematics Lesson 2.3
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In the classroom
Teaching tips & learning objectives
Learning objectives
- Recognise triangular shapes in real-world images.
Teaching tips
- Focus on sides and corners before advanced triangle labels.
- Choose pictures with a clear three-sided outline. Some photographs show approximate shapes or three-dimensional objects, so discuss which outline pupils are using.
Skills covered
- Shape comparison — identify the three-sided outlines in the photographs.
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Resource details
Core concepts
Core concepts
Core concepts
- Triangles; sides; vertices.
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