Names of triangles

Names of triangles

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Further Resources
This task is about naming types of triangles.

Question 1Change answer

shapes with lots of triangles
  
The shape above is made up of five triangles. Select the correct name for each triangle from the list. A name may be used more than once.
  1. Triangle A: equilateralisoscelesscaleneright angle
  2. Triangle B: equilateralisoscelesscaleneright angle
  3. Triangle C: equilateralisoscelesscaleneright angle
  4. Triangle D: equilateralisoscelesscaleneright angle
  5. Triangle E: equilateralisoscelesscaleneright angle
Task administration: 
This task can be completed by pen and paper or online (with auto marking displayed to students).
Level:
4
Description of task: 
Students identify equilateral, isosceles, scalene and right angled triangles.
Curriculum Links: 
This resource can be used to help to identify students' understanding of classes of triangles.
Learning Progression Frameworks
This resource can provide evidence of learning associated with within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 
 

Y8 (06/1998)

a) right angle moderate
b) isosceles moderate
c) equilateral easy
e) scalene difficult
e) right angle difficult
Diagnostic and formative information: 
   Student response Likely reason
d) Isosceles  
e) Scalene or isosceles Cannot visualise a right angle that is not aligned vertically and horizontally.