5.5A Review

Classifying 2D Figures

TEKS 5.5A Review

Hotspot

Which shape(s) are not polygons?

• Straight sides (no curves like a circle or crescent)

• ​Sides don't cross

• Figure is closed

That's it! Nothing about number of sides, it could be 3+

Polygon Rules

Hotspot

Try again! Which shapes are not polygons?

​If equilateral, it's also isosceles!

Hotspot

Select each isosceles triangle.

Dropdown

Equilateral triangles can only have ​

Select answer

angles.

Multiple Choice

Which type of triangles always belongs in the shaded section of the organizer?

• Scalene triangles

• Right triangles

• Isosceles triangles

• Equilateral triangles

Multiple Choice

Which triangle can be classified as scalene?

Multiple Choice

Which figures belong in the part of the organizer labeled "Isosceles triangles"?

• Figures II and V only

• Figures I, III, and V only

• Figures I and III only

• Figures II, IV, and V only

Categorize

Options (4)

Organize these options into the right categories of the most specific name the shape can have.

Quadrilateral

Parallelogram

Trapezoid

Rhombus

Labelling

Label the graphic organizer.

Drag labels to their correct position on the image

Parallelogram

Trapezoid

Quadrilateral

Rhombus

Rectangle

Square

Right

Scalene

Match

Match the following

• One set of parallel sides

• Four sides of any length with any angles

• Opposite sides are equal and parallel. Any angles.

• Four sides with equal length and 90 degree angles

• Opposite sides are equal and parallel. Four 90 degree angles.

Trapezoid

Quadrilateral

Parallelogram

Square

Rectangle

• Trapezoid

• Quadrilateral

• Parallelogram

• Square

• Rectangle

Multiple Choice

Which shape most likely belongs in the intersection of Set A and Set B?

Multiple Choice

Which shape is not sorted correctly in the graphic organizer?

• Circle

• Pentagon

• Quadrilateral

• Triangle

Drag and Drop

Which term best classifies the shapes that belong in the shaded section of the organizer?

​

Placeholder

Drag these tiles and drop them in the correct blank above

Parallelogram

Polygon

Pentagon

None of these