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  1. Look at the acute triangles. Sort these triangles into groups.
    1. How did you decide to sort them?
    2. Which acute triangles are isosceles triangles?
    3. Which acute triangles are equilateral triangles?
    4. Measure the sides of Shape D to the nearest 0.1 cm. Is this shape equilateral or isosceles?
    5. Draw and label sections inside the Acute Triangle section for the isosceles triangles and equilateral triangles. Place the triangles appropriately.
    6. Sketch another acute triangle that is neither isosceles nor equilateral. Label it “ZZ.” Place the shape in the appropriate section of the shape zoo.
  2. Look at the obtuse triangles. Sort these triangles into groups.
    1. How did you decide to sort them?
    2. Which obtuse triangles are isosceles triangles?
    3. Which obtuse triangles are equilateral triangles? Show or tell how you decided.
    4. Draw and label appropriate sections inside the Obtuse Triangle section. Place the triangles appropriately.
    5. Sketch another obtuse triangle that is isosceles. Label it “YY.” Place it in the appropriate section of the shape zoo.