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Mathematics
French
Coming Soon
Chemistry
Science and Technology
History
Physics
Geography
English Language Arts
Indigenous content
Coming Soon
Financial Education
Contemporary World
Grade 1
Grade 2
Grade 3
Grade 4
Grade 5
Grade 6
Secondary 1
Secondary 2
Secondary 3
Secondary 4
Secondary 5
Concept sheets
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Crash Courses
Exam prep and study tips
Mathematics
Mathematics
Geometry | Elementary
Polygons | Elementary
Triangles | Elementary
Triangles | Elementary
Grade 1-2, 5-6
Click here to view the secondary concept sheet
1st and 2nd Grade
What is a triangle?
See also
5th and 6th Grade
What is a triangle?
What is an equilateral triangle?
What is a scalene triangle?
What is an isosceles triangle?
What is a right triangle?
Triangles
Le triangle équilatéral
Le triangle rectangle
See also
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1st and 2nd Grade
5th and 6th Grade
