1. 3rd Grade Geometry

2. I can distinguish between polygons and non polygons

3. Polygon or non polygon? Use properties to explain your answer.
It is enclosed and has at least straight sides

4. Polygon or non polygon? Use properties to explain your answer.
Not a Polygon –
It doesn’t have straight sides

5. Polygon or non polygon? Use properties to explain your answer.
It is enclosed and has at least straight sides

6. Polygon or non polygon? Use properties to explain your answer.
Not a Polygon –
Sides of a polygon aren’t allowed to cross

7. Polygon or non polygon? Use properties to explain your answer.
Not a polygon Doesn’t have straight sides

8. Polygon or non polygon? Use properties to explain your answer.
It is enclosed and has at least straight sides

9. I can identify a polygon by the number of sides.

10. Name this Polygon Explain how you know by the number of sides
Triangle – It is a polygon with 3 sides

11. Hexagon – It is a polygon with 6 sides
Name this Polygon Explain how you know by the number of sides
Hexagon – It is a polygon with 6 sides

12. Name this Polygon Explain how you know by the number of sides
Octagon –
it is a polygon with 8 sides

13. Name this Polygon Explain how you know by the number of sides
Quadrilateral because it has 4 sides

14. Name this Polygon Explain how you know by the number of sides
Pentagon because it has 5 sides

15. I can identify various types of quadrilaterals by examining their properties

16. Name this Quadrilateral Use your knowledge of properties
to support your answer.
Parallelogram –
It has opposite sides that are
parallel and equal

17. Name this Quadrilateral Use your knowledge of properties
to support your answer.
Rhombus–
It has opposite sides that are
parallel and all sides are equal

18. Use your knowledge of properties to explain why this is a SQUARE
It is a rectangle that has all equal sides

19. Trapezoid – It has ONE set of parallel lines
Name this Quadrilateral Use your knowledge of properties to support your answer.
Trapezoid – It has ONE set of parallel lines

20. It has opposite sides are equal and parallel
Use your knowledge of properties to explain why this is a PARALLELOGRAM
It has opposite sides are equal and parallel

21. Parallelogram – It has opposite sides that are parallel
Name this Quadrilateral Use your knowledge of properties
to support your answer.
Parallelogram – It has opposite sides that are parallel

22. Use your knowledge of properties to explain why this is a RHOMBUS
It is a parallelogram with
4 sides that are equal

23. Use your knowledge of properties to explain why this is a RECTANGLE
It is a parallelogram that has 4 right angles

24. Polygon or non polygon? Use properties to explain your answer.
Is this a parallelogram? Use your knowledge of properties to support your answer.
Polygon or non polygon? Use properties to explain your answer.

25. Polygon or non polygon? Use properties to explain your answer.
Is this a parallelogram? Use your knowledge of properties to support your answer.
Polygon or non polygon? Use properties to explain your answer.

26. Polygon or non polygon? Use properties to explain your answer.
Is this a parallelogram? Use your knowledge of properties to support your answer.
Polygon or non polygon? Use properties to explain your answer.

27. Polygon or non polygon? Use properties to explain your answer.
Is this a quadrilateral? Use your knowledge of properties to support your answer.
Polygon or non polygon? Use properties to explain your answer.

28. Trapezoid – It has ONE pair of parallel sides
Name this Quadrilateral Use your knowledge of properties
to support your answer.
Trapezoid – It has ONE pair of parallel sides

29. Polygon or non polygon? Use properties to explain your answer.
Is this a parallelogram? Use your knowledge of properties to support your answer.
Polygon or non polygon? Use properties to explain your answer.

30. Why is this polygon NOT a quadrilateral?
It has six sides, not four

31. Why is this quadrilateral NOT a parallelogram
It doesn’t have opposite sides that are parallel and equal

32. I can identify various geometric figures

33. What is this figure called?
Ray

34. What are these figures called?
Parallel lines

35. What is this figure called?
Angle

36. What is the special name for Point V?
Vertex

37. I can distinguish between right angles, obtuse angles and acute angles

38. What kind of angle is this –
right, obtuse or acute?
Right Angle

39. Explain why this is a right or 90 degree angle
It measures exactly 90 degrees

40. What kind of angle is this –
right, obtuse or acute?
Obtuse Angle

41. Explain why this is an obtuse angle
The angle is larger than 90 degrees

42. What kind of angle is this –
right, obtuse or acute?
Acute Angle

43. Explain why this is an acute angle
The angle is less than 90 degrees

44. Explain why this is called a right triangle.
It has an angle that is exactly
90 degrees