Curated OER
All About Triangles
In this triangles worksheet, students recognize triangles in a picture. Students find all the triangles in the picture, trace them and color them black.
Curated OER
Recognizing Triangles
In this triangles worksheet, students analyze 25 shapes in a full page collage. Some of the shapes have curved or jagged sides. Students circle all the triangles.
Curated OER
Triangle Shapes
In this recognizing triangle shapes instructional activity, students examine 6 different pictures and draw an x on the things in each picture that are triangle shapes.
Curated OER
Shapes Worksheet: Learning Triangles
In this shapes worksheet, students practice tracing 5 dotted triangles and then draw 3 triangles on their own in the space provided. Students then look at a box full of shapes and color the 7 triangles that can be found within the box.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Triangles
Get independent practice working with triangles. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
University of Cambridge
University of Cambridge: Nrich: Four Triangles Puzzle
Sharpen your logic and and pattern recognition skills with this four triangles puzzle. The solution is available to check your work.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Types of Triangles
Find a quick, concise explanation of the different types of triangles. Examples are given and clearly explained.