#### Read Microsoft Word - 7th grade Geometry Project scoring guide _Edited_june1.doc text version

7th grade Geometry Project

Scoring Guide

Due Date

· Reposition shapes under informal transformations, such as reflection (flip), rotation (turn), and translation (slide). (15 point max) Rotation Reflection Translation Combinations Examples Examples Examples (1 Point each up to 5 points) (1 pt for each) (1 pt each) (1 pt each) 15 30 Over x-axis Up or down 45 90 Over y-axis 180 Left or Right Over y=x

· Determine all lines of symmetry of polygons. (2 points each) (20 point max) Example of a Example of a Example of a Example of a Example of a figure with one figure with two figure with figure with four figure with no lines of lines of lines of three lines of lines of symmetry symmetry symmetry symmetry symmetry

Example of a figure with five lines of symmetry

Example of a figure with six lines of symmetry

Example of a figure with eight lines of symmetry

Example of a figure with ten lines of symmetry

Example of a figure with infinite lines of symmetry

Describe how to solve problems involving circumference and area of a circle. 2points each. (10 point max) Describe how Describe how Find the area of Find the Other facts the area of a a circle. circumference about circles. the circle relates to of a circle. circumference of a circle its radius. relates to its diameter.

Describe how to solve problems involving area of a rectangle, triangle, trapezoid, square, or parallelogram. 2 points each (10 point max) Find the area of Find the area of Find the area of Find the area of Find the area of a rectangle and a triangle and a trapezoid and a square and a parallelogram explain how the explain how the explain how the explain how the and explain formula works. formula works. formula works. formula works. how the formula works.

Classify two- and three-dimensional shapes based on their properties. Students will earn one point per property. (other than area) (30 point max) 2-dimensional Shape # of Properties (1 point for each property)

3-dimensional Shape # of Properties (1 point for each property)

· Use spatial visualizations to identify various 2-D views of isometric drawings. 3 points for each. (15 point max.) Isometric Isometric Isometric Isometric Isometric drawing with a drawing with a drawing with a drawing with a drawing with a base view, front base view, front top view, front top view, front top view, front view, and right view, and right view, and right view, and right view, and right view with an view with a view of a tent. view of a view of a dog interesting different stack different tent. house stack of blocks. of interesting blocks

· Given ordered pairs, identify geometric shapes in the coordinate plane using their properties. (16 point Max) Gives ordered pairs for the shape. (2 points each) Graphs and names shapes and its properties. (2 points each)

· Describe relationships between corresponding sides, corresponding angles, and corresponding perimeters of similar polygons. · Describe the relationship between the scale factor and the perimeter of the image using a dilation (contractions-magnifications, stretching/shrinking) Draw two similar figures with a scale factor larger than one. ( 2 point each) (20 point Max) Draw two Identify Identify Find both Find both Areas similar figures Corresponding Corresponding Perimeters. sides. Angles.

Find and describe Scale Factor.

Describe relationship.

Describe relationship.

Describe relationship

Describe relationship

Draw two similar figures with a scale factor smaller than one. ( 2 point each)(20 point Max) Draw two Identify Identify Find both Find both Areas similar figures Corresponding Corresponding Perimeters. sides. Angles.

Find and describe Scale Factor.

Describe relationship.

Describe relationship.

Describe relationship

Describe relationship

Identify equivalent area, volume, and capacity measurements within a system of measurement. 2 points each (20 point max) Find a Find a Find the length Find the area of Find the measurement in measurement in of an object in a large object in volume of an pounds and gallons and feet and change square miles, object in cubic change the feet and change change it to change it to it to miles. ounces. pints. . measurement to the square feet. measurement to cubic inches. 1D 2D 3D

Find a measurement in grams and change it to kilograms.

Find a measurement in liters and change it to milliliters.

Find the length of an object in meters and change it to centimeters.

Find the area of a large object in square meters, change the measurement to square kilometers.

Find the volume of an object in cubic centimeters and change the measurement to cubic meters.

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