MAT-HS.G-CO.09.b
MAT-HS Targeted Standards (G) Concept: Geometry (CO) Domain: Congruence Cluster: Prove geometric theorems
MAT-HS.G-CO.09.b Apply theorems about lines and angles.
Theorems include: vertical angles are congruent; when a transversal crosses parallel lines, alternate interior angles are congruent and corresponding angles are congruent; points on a perpendicular bisector of a line segment are exactly those equidistant from the segment’s endpoints. (Focus is on applying the theorems for C-CO.9B) |
Student Learning Targets:
Knowledge Targets
Reasoning Targets
Skills (Performance) Targets
Product Targets
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Proficiency Scale
Score |
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Description |
Sample Activity
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Advanced |
In addition to Score 3.0, the student demonstrates in-depth inferences and applications regarding more complex material that go beyond end of instruction expectations.
Concepts:
Vertical Angles
Angles created by parallel lines and a transversal
Perpendicular Bisector theorems
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Solve for x and y.
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3.5 |
In addition to Score 3.0 performance, the student demonstrates in-depth inferences and applications regarding the more complex content with partial success. |
Proficient |
“The Standard.” The student demonstrates no major errors or omissions regarding any of the information and processes that were end of instruction expectations.
- Identify the relevant information
- Apply geometric relationships to create an algebraic model for the situation
- Solve and answer the given question (Ex. Solve for the given variable, Find the angle measurement)
Concepts:
Vertical Angles
Angles created by parallel lines and a transversal
Perpendicular Bisector theorem
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Solve for x.
Solve for x and y.
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2.5 |
The student demonstrates no major errors or omissions regarding the simpler details and processes (Score 2.0 content) and partial knowledge of the more complex ideas and processes (Score 3.0 content). |
Progressing |
The student demonstrates no major errors or omissions regarding the simpler details and processes but exhibits major errors or omissions regarding the more complex ideas and processes (Score 3.0 content).
- can recognize and recall angle pairs
- can apply postulates, definitions, properties, and theorems to identify angle measurements
Concepts:
Vertical Angles
Angles created by parallel lines and a transversal
Perpendicular Bisector theorems
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Example 2
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1.5 |
The student demonstrates partial knowledge of the simpler details and processes (Score 2.0 content) but exhibits major errors or omissions regarding the more complex ideas and procedures (Score 3.0 content). |
Beginning |
With help, the student demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) and some of the more complex ideas and processes (Score 3.0 content). |
- |
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0.5 |
With help, the student demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) but not the more complex ideas and processes (Score 3.0 content). |
0.0 |
Even with help, the student demonstrates no understanding or skill. |
- |
Resources
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MAT-HS.G-CO.10
MAT-HS Targeted Standards (G) Concept: Geometry (CO) Domain: Congruence Cluster: Prove geometric theorems
MAT-HS.G-CO.10 Prove and apply theorems about triangles.
Theorems include: measures of interior angles of a triangle sum to 180°; base angles of isosceles triangles are congruent; the segment joining midpoints of two sides of a triangle is parallel to the third side and half the length; the medians of a triangle meet at a point. |
Student Learning Targets:
Knowledge Targets
Reasoning Targets
Skills (Performance) Targets
- I can prove theorems about triangles.
- I can prove the measures of interior angles of a triangle have a sum of 180°.
- I can prove base angles of isosceles triangles are congruent.
- I can prove the segment joining midpoints of two sides of a triangle is parallel to the third side and half the length.
- I can prove the medians of a triangle meet at a point.
Product Targets
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Proficiency Scale
Score |
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Description |
Sample Activity
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4.0 |
In addition to Score 3.0, the student demonstrates in-depth inferences and applications regarding more complex material that go beyond end of instruction expectations. |
- |
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3.5 |
In addition to Score 3.0 performance, the student demonstrates in-depth inferences and applications regarding the more complex content with partial success. |
3.0 |
“The Standard.” The student demonstrates no major errors or omissions regarding any of the information and processes that were end of instruction expectations. |
- |
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2.5 |
The student demonstrates no major errors or omissions regarding the simpler details and processes (Score 2.0 content) and partial knowledge of the more complex ideas and processes (Score 3.0 content). |
2.0 |
The student demonstrates no major errors or omissions regarding the simpler details and processes but exhibits major errors or omissions regarding the more complex ideas and processes (Score 3.0 content). |
- |
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1.5 |
The student demonstrates partial knowledge of the simpler details and processes (Score 2.0 content) but exhibits major errors or omissions regarding the more complex ideas and procedures (Score 3.0 content). |
1.0 |
With help, the student demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) and some of the more complex ideas and processes (Score 3.0 content). |
- |
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0.5 |
With help, the student demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) but not the more complex ideas and processes (Score 3.0 content). |
0.0 |
Even with help, the student demonstrates no understanding or skill. |
- |
Resources
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MAT-HS.G-CO.10.a
MAT-HS Targeted Standards (G) Concept: Geometry (CO) Domain: Congruence Cluster: Prove geometric theorems
MAT-HS.G-CO.10.a Prove theorems about triangles.
(Theorems include but are not limited to: Measures of interior angles of a triangle sum to 180 degrees; base angles of isosceles triangles are congruent; the segment joining midpoints of two sides of a triangle is parallel to the third side and half the length; the medians of a triangle meet at a point.)
(Focus on proving for this proficiency scale)
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Student Learning Targets:
Knowledge Targets
Reasoning Targets
Skills (Performance) Targets
Product Targets
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Proficiency Scale
Score |
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Description |
Sample Activity
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Advanced |
In addition to Score 3.0, the student demonstrates in-depth inferences and applications regarding more complex material that go beyond end of instruction expectations.
- Analyze a proof with errors and make corrections
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- |
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3.5 |
In addition to Score 3.0 performance, the student demonstrates in-depth inferences and applications regarding the more complex content with partial success. |
Proficient |
“The Standard.” The student demonstrates no major errors or omissions regarding any of the information and processes that were end of instruction expectations.
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Identify relevant given information
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Arrange reasoning in a logical sequence
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Support reasoning using appropriate justifications (theorems, postulates, definitions, etc.)
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Midsegment of a Triangle Proof
Triangle Interior Angle Proof
Prove a Triangle is Isosceles
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2.5 |
The student demonstrates no major errors or omissions regarding the simpler details and processes (Score 2.0 content) and partial knowledge of the more complex ideas and processes (Score 3.0 content). |
Progressing |
The student demonstrates no major errors or omissions regarding the simpler details and processes but exhibits major errors or omissions regarding the more complex ideas and processes (Score 3.0 content).
- partially prove but reasoning has gaps, steps missing, incorrect reasoning, etc.
- recall theorems, definitions, and postulates
- fill out justification given a statement
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Given a statement, the student can fill out the justification. (skeleton proof) |
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1.5 |
The student demonstrates partial knowledge of the simpler details and processes (Score 2.0 content) but exhibits major errors or omissions regarding the more complex ideas and procedures (Score 3.0 content). |
Beginning |
With help, the student demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) and some of the more complex ideas and processes (Score 3.0 content). |
- |
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0.5 |
With help, the student demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) but not the more complex ideas and processes (Score 3.0 content). |
0.0 |
Even with help, the student demonstrates no understanding or skill. |
- |
Resources
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MAT-HS.G-CO.10.b
MAT-HS Targeted Standards (G) Concept: Geometry (CO) Domain: Congruence Cluster: Prove geometric theorems
MAT-HS.G-CO.10.b Apply theorems about triangles.
(Theorems include: measures of interior angles of a triangle sum to 180 degrees; base angles of isosceles triangles are congruent; the segment joining midpoints of two sides of a triangle is parallel to the third side and half the length; the medians of a triangle meet at a point.
(Focus on Applying)
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Student Learning Targets:
Knowledge Targets
Reasoning Targets
Skills (Performance) Targets
Product Targets
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Proficiency Scale
Score |
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Description |
Sample Activity
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Advanced |
In addition to Score 3.0, the student demonstrates in-depth inferences and applications regarding more complex material that go beyond end of instruction expectations.
- Analyze a solution and correct the errors
- Investigate and provide multiple methods for finding a solution to a given problem
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Find the measures of these angles in two different ways. Explain the steps you took for each method.
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3.5 |
In addition to Score 3.0 performance, the student demonstrates in-depth inferences and applications regarding the more complex content with partial success. |
Proficient |
“The Standard.” The student demonstrates no major errors or omissions regarding any of the information and processes that were end of instruction expectations.
- Apply theorems (postulates, definitions, etc.) about triangles to solve problems
- Justify how to set up a problem using theorems (postulates, definitions, etc.) about triangles
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2.5 |
The student demonstrates no major errors or omissions regarding the simpler details and processes (Score 2.0 content) and partial knowledge of the more complex ideas and processes (Score 3.0 content). |
Progressing |
The student demonstrates no major errors or omissions regarding the simpler details and processes but exhibits major errors or omissions regarding the more complex ideas and processes (Score 3.0 content).
- Identify or relate the theorem used to set up the problem
- Define the vocabulary associated with triangle theorems
- Can identify the components of triangles
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- |
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1.5 |
The student demonstrates partial knowledge of the simpler details and processes (Score 2.0 content) but exhibits major errors or omissions regarding the more complex ideas and procedures (Score 3.0 content). |
Beginning |
With help, the student demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) and some of the more complex ideas and processes (Score 3.0 content). |
- |
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0.5 |
With help, the student demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) but not the more complex ideas and processes (Score 3.0 content). |
0.0 |
Even with help, the student demonstrates no understanding or skill. |
- |
Resources
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MAT-HS.G-CO.11
MAT-HS Targeted Standards (G) Concept: Geometry (CO) Domain: Congruence Cluster: Prove geometric theorems
MAT-HS.G-CO.11 Prove and apply theorems about parallelograms.
Theorems include: opposite sides are congruent, opposite angles are congruent, the diagonals of a parallelogram bisect each other, and conversely, rectangles are parallelograms with congruent diagonals. |
Student Learning Targets:
Knowledge Targets
Reasoning Targets
Skills (Performance) Targets
- I can prove theorems about parallelograms.
- I can prove opposite sides are congruent.
- I can prove opposite angles are congruent.
- I can prove the diagonals of a parallelogram bisect each other.
- I can prove rectangles are parallelograms with congruent diagonals.
Product Targets
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Proficiency Scale
Score |
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Description |
Sample Activity
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4.0 |
In addition to Score 3.0, the student demonstrates in-depth inferences and applications regarding more complex material that go beyond end of instruction expectations. |
- |
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3.5 |
In addition to Score 3.0 performance, the student demonstrates in-depth inferences and applications regarding the more complex content with partial success. |
3.0 |
“The Standard.” The student demonstrates no major errors or omissions regarding any of the information and processes that were end of instruction expectations. |
- |
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2.5 |
The student demonstrates no major errors or omissions regarding the simpler details and processes (Score 2.0 content) and partial knowledge of the more complex ideas and processes (Score 3.0 content). |
2.0 |
The student demonstrates no major errors or omissions regarding the simpler details and processes but exhibits major errors or omissions regarding the more complex ideas and processes (Score 3.0 content). |
- |
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1.5 |
The student demonstrates partial knowledge of the simpler details and processes (Score 2.0 content) but exhibits major errors or omissions regarding the more complex ideas and procedures (Score 3.0 content). |
1.0 |
With help, the student demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) and some of the more complex ideas and processes (Score 3.0 content). |
- |
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0.5 |
With help, the student demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) but not the more complex ideas and processes (Score 3.0 content). |
0.0 |
Even with help, the student demonstrates no understanding or skill. |
- |
Resources
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MAT-HS.G-CO.11.a
MAT-HS Targeted Standards (G) Concept: Geometry (CO) Domain: Congruence Cluster: Prove geometric theorems
MAT-HS.G-CO.11.b Prove theorems about parallelograms.
(Focus on Prove for G-CO.11)
(Theorems include but are not limited to: opposite sides are congruent, opposite angles are congruent, the diagonals of a parallelogram bisect each other, and conversely, rectangles are parallelograms with congruent diagonals.)
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Student Learning Targets:
Knowledge Targets
Reasoning Targets
Skills (Performance) Targets
Product Targets
|
Proficiency Scale
Score |
|
Description |
Sample Activity
|
Advanced |
In addition to Score 3.0, the student demonstrates in-depth inferences and applications regarding more complex material that go beyond end of instruction expectations.
- Analyze a proof with errors and make corrections
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- |
|
3.5 |
In addition to Score 3.0 performance, the student demonstrates in-depth inferences and applications regarding the more complex content with partial success. |
Proficient |
“The Standard.” The student demonstrates no major errors or omissions regarding any of the information and processes that were end of instruction expectations.
The student can perform all the actions for each concept listed below:
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Identify relevant information
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Arrange reasoning in a logical sequence
-
Support reasoning using appropriate justifications (theorems, postulates, definitions, etc.)
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2.5 |
The student demonstrates no major errors or omissions regarding the simpler details and processes (Score 2.0 content) and partial knowledge of the more complex ideas and processes (Score 3.0 content). |
Progressing |
The student demonstrates no major errors or omissions regarding the simpler details and processes but exhibits major errors or omissions regarding the more complex ideas and processes (Score 3.0 content).
- Partially prove but reasoning has gaps, steps missing, incorrect reasoning, etc.
- Recall theorems, definitions, and postulates
- Fill out justification given a statement
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- |
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1.5 |
The student demonstrates partial knowledge of the simpler details and processes (Score 2.0 content) but exhibits major errors or omissions regarding the more complex ideas and procedures (Score 3.0 content). |
Beginning |
With help, the student demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) and some of the more complex ideas and processes (Score 3.0 content). |
- |
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0.5 |
With help, the student demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) but not the more complex ideas and processes (Score 3.0 content). |
0.0 |
Even with help, the student demonstrates no understanding or skill. |
- |
Resources
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MAT-HS.G-CO.11.b
MAT-HS Targeted Standards (G) Concept: Geometry (CO) Domain: Congruence Cluster: Prove geometric theorems
MAT-HS.G-CO.11.b Apply theorems about parallelograms.
Theorems include but are not limited to: opposite sides are congruent, opposite angles are congruent, the diagonals of a parallelogram bisect each other, and conversely, rectangles are parallelograms with congruent diagonals.
(Focus is on Application for G-CO.11B)
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Student Learning Targets:
Knowledge Targets
Reasoning Targets
Skills (Performance) Targets
Product Targets
|
Proficiency Scale
Score |
|
Description |
Sample Activity
|
Advanced |
In addition to Score 3.0, the student demonstrates in-depth inferences and applications regarding more complex material that go beyond end of instruction expectations.
|
- |
|
3.5 |
In addition to Score 3.0 performance, the student demonstrates in-depth inferences and applications regarding the more complex content with partial success. |
Proficient |
“The Standard.” The student demonstrates no major errors or omissions regarding any of the information and processes that were end of instruction expectations.
- Apply theorems (postulates, definitions, etc.) about parallelograms to solve problems
- Justify how to set up a problem using theorems (postulates, definitions, etc.) about parallelograms
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Solve for x and y.
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2.5 |
The student demonstrates no major errors or omissions regarding the simpler details and processes (Score 2.0 content) and partial knowledge of the more complex ideas and processes (Score 3.0 content). |
Progressing |
The student demonstrates no major errors or omissions regarding the simpler details and processes but exhibits major errors or omissions regarding the more complex ideas and processes (Score 3.0 content).
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Identify if the given figure is a parallelogram.
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1.5 |
The student demonstrates partial knowledge of the simpler details and processes (Score 2.0 content) but exhibits major errors or omissions regarding the more complex ideas and procedures (Score 3.0 content). |
Beginning |
With help, the student demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) and some of the more complex ideas and processes (Score 3.0 content). |
- |
|
0.5 |
With help, the student demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) but not the more complex ideas and processes (Score 3.0 content). |
0.0 |
Even with help, the student demonstrates no understanding or skill. |
- |
Resources
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MAT-HS.G-CO.12
MAT-HS Targeted Standards (G) Concept: Geometry (CO) Domain: Congruence Cluster: Make geometric constructions
MAT-HS.G-CO.12 Make basic geometric constructions with a variety of tools and methods.
Copying a segment; copying an angle; bisecting a segment; bisecting an angle; constructing perpendicular lines, including the perpendicular bisector of a line segment; and constructing a line parallel to a given line through a point not on the line. Tools may include compass and straightedge, string, reflective devices, paper folding or dynamic geometric software. |
Student Learning Targets:
Knowledge Targets
Reasoning Targets
Skills (Performance) Targets
- I can use a variety of methods and tools to:
- copy a segment
- copy an angle
- bisect a segment
- bisect an angle
- construct perpendicular
- lines, including the perpendicular bisector of a line segment
- construct a line parallel to a given line through a point not on the line
Product Targets
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Proficiency Scale
Score |
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Description |
Sample Activity
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Advanced
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In addition to Score 3.0, the student demonstrates in-depth inferences and applications regarding more complex material that go beyond end of instruction expectations.
- Explain how to construct a geometric figure
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Explain the type of construction and the next step in completing the construction, giving specific steps.
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3.5 |
In addition to Score 3.0 performance, the student demonstrates in-depth inferences and applications regarding the more complex content with partial success. |
Proficient
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“The Standard.” The student demonstrates no major errors or omissions regarding any of the information and processes that were end of instruction expectations.
- Construct a geometric figure using various tools and/or methods (Ex: compass and straightedge, Geogebra)
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(a) copy a given line segment
(b) copy an angle.
(c) bisect a line segment.
(d) bisect an angle.
(e) construct a line perpendicular to a given line through a point on that line.
(f) construct a line perpendicular to a given line through a point not on that line.
(g) construct the perpendicular bisector of a line segment.
(h) construct a line parallel to a given line through a point not on the line.
Identify and complete the construction.
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2.5 |
The student demonstrates no major errors or omissions regarding the simpler details and processes (Score 2.0 content) and partial knowledge of the more complex ideas and processes (Score 3.0 content). |
Progressing
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The student demonstrates no major errors or omissions regarding the simpler details and processes but exhibits major errors or omissions regarding the more complex ideas and processes (Score 3.0 content).
- can recognize and recall terminology to answer questions
- identify the type of construction given an example
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1.5 |
The student demonstrates partial knowledge of the simpler details and processes (Score 2.0 content) but exhibits major errors or omissions regarding the more complex ideas and procedures (Score 3.0 content). |
Beginning
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With help, the student demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) and some of the more complex ideas and processes (Score 3.0 content). |
- |
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0.5 |
With help, the student demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) but not the more complex ideas and processes (Score 3.0 content). |
0.0 |
Even with help, the student demonstrates no understanding or skill. |
- |
Resources
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MAT-HS.G-CO.13
MAT-HS Targeted Standards (G) Concept: Geometry (CO) Domain: Congruence Cluster: Make geometric constructions
MAT-HS.G-CO.13 Construct an equilateral triangle, a square, and a regular hexagon inscribed in a circle.
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Student Learning Targets:
Knowledge Targets
Reasoning Targets
Skills (Performance) Targets
- I can construct an equilateral triangle inscribed in a circle.
- I can construct a square inscribed in a circle.
- I can construct a regular hexagon inscribed in a circle.
Product Targets
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Proficiency Scale
Score |
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Description |
Sample Activity
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4.0 |
In addition to Score 3.0, the student demonstrates in-depth inferences and applications regarding more complex material that go beyond end of instruction expectations. |
- |
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3.5 |
In addition to Score 3.0 performance, the student demonstrates in-depth inferences and applications regarding the more complex content with partial success. |
3.0 |
“The Standard.” The student demonstrates no major errors or omissions regarding any of the information and processes that were end of instruction expectations. |
- |
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2.5 |
The student demonstrates no major errors or omissions regarding the simpler details and processes (Score 2.0 content) and partial knowledge of the more complex ideas and processes (Score 3.0 content). |
2.0 |
The student demonstrates no major errors or omissions regarding the simpler details and processes but exhibits major errors or omissions regarding the more complex ideas and processes (Score 3.0 content). |
- |
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1.5 |
The student demonstrates partial knowledge of the simpler details and processes (Score 2.0 content) but exhibits major errors or omissions regarding the more complex ideas and procedures (Score 3.0 content). |
1.0 |
With help, the student demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) and some of the more complex ideas and processes (Score 3.0 content). |
- |
|
0.5 |
With help, the student demonstrates a partial understanding of some of the simpler details and processes (Score 2.0 content) but not the more complex ideas and processes (Score 3.0 content). |
0.0 |
Even with help, the student demonstrates no understanding or skill. |
- |
Resources
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