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Names:

Cynthia L. Bennett, Dolores Ide, Suad Malik, Danielle Retallack

 

Grade Level:  PreK-2

 

Content Area:  Geometry

 

PA Standard(s) Addressed:  2.9 – Geometry

 

NCTM Standard(s) Addressed:  Geometry Standard

 

Problem Name:  Shapes on the Gym Floor

 

Problem:

 

You are a bird looking down on this gym floor.

 

 

Now, do this!

 

1.           Trace the rectangles in orange.

2.           Trace the triangles in blue.

3.           Trace the circles in red.

4.           Trace the half circles in green.

 

Now, look at these shapes, and circle the ones you found on the gym floor.

 

 

Which shapes do not belong?

 

Why?

 

Problem Solution:

 

 

 

 

 

Acceptable Answers:

1.                 None of these shapes are found on the gym floor.

2.                 Stars are found in the sky.

3.                 Ovals are eggs or egg-shaped.

4.                 Hearts are found on Valentine’s Day, or hearts are found in our bodies.

5.                   A rhombus is a diamond shape.  They are found on baseball fields, jewelry, and/or kites.

 

 

 

Problem Names: Shapes on the Gym Floor

 

Grade Level: PreK-2                                                 Content Area: Geometry

 

Adaptations:

1.     Because of the frequent use of manipulatives in primary classrooms, it is suggested, as an alternative, that each child be provided with a “shape bag” containing a star, a circle, a triangle, a heart, a rhombus, a rectangle, an oval, and a half-circle.  The child would then be instructed to take from the bag, the same shapes he observed on the gym floor and glue them to the paper.  The remaining shaped could then be glued to the paper under the question, “Which shapes do not belong?” and the question “Why?’ would be answered as before.

 

2.     The number of shapes included in the listing or the bag could be increased or decreased depending on the grade level.

 

3.     For kindergarten, the teacher may read the questions.

 

 

 

Problem Name:  Shapes on the Gym Floor

 

Grade Level:  PreK-2                                                 Content Area: Geometry

 

Specific Rubric:

 

5:  Advanced Understanding, Excellent

         Traces all the shapes the correct color. 

         Circles all the shapes correctly.

         Explains fully why the four remaining shapes do not belong.

 

4:  Satisfactory Understanding

         Traces all the shapes the correct color.

         Circles all the shapes correctly.

         Partially explains why the four remaining shapes do not belong.

 

3:  Almost Satisfactory Understanding

         Makes no more than three errors in tracing or circling shapes.

         Partially explains why the remaining shapes do not belong.

 

2: Partial Understanding

A.  Makes no mistakes in tracing and circling shapes.

           No explanation of why the four remaining shapes do not belong.

                                                OR

B.     Makes no more than five errors in tracing or circling shapes.

Partial or no explanation of why the remaining shapes do not belong.

 

1:  Minimal Understanding

A.     Traces all the shapes correctly.

Circles less than three shapes correctly.

No explanation given.

                                         OR

B.     Traces less than three shapes correctly.

Circles all shapes correctly.

No explanation.

 

0:  Incorrect

A.     No correct work shown.

No explanation.

                                          OR

B.     No work shown

 

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