21 st century learning mathematics standard j.o. combs...
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21st Century Learning Mathematics Standard
J.O. Combs Unified School District #44
High School: Honors Geometry
Honors Geometry explores mathematical concepts at a faster pace and a greater depth than Geometry.
Students in this course will study a greater breadth of geometric concepts and a more formalized approach to
proof-writing than students in Geometry. This rigorous course is designed to prepare students who excel in
mathematics for future honors courses.
1. LOGIC
• HGEO.1.1 Writes converse, inverse, contrapositive, and biconditional (as applicable) of a conditional
statement (required: statements and symbols).
• HGEO.1.2 Writes conclusions using laws of syllogism, detachment, contrapositive, and indirect
reasoning (required: statements and symbols).
• HGEO.1.3 Uses deductive reasoning to construct a 2-column proof.
• HGEO.1.4 Writes indirect proofs.
2. POINTS, SEGMENTS, LINES, AND PLANES
• HGEO.2.1 Applies postulates and theorems to make conclusions about segments, lines, and planes.
• HGEO.2.2 Applies postulates and theorems to calculate midpoint and lengths of segments (required:
midpoint formula and distance formula).
• HGEO.2.3 Writes the equation of parallel and perpendicular lines given critical information.
3. ANGLES
• HGEO.3.1 Applies postulates and theorems to find unknown angle measures.
• HGEO.3.2 Applies postulates and theorems to make conclusions about angles and their relationships
4. TRIANGLE CONGRUENCE
• HGEO.4.1 Uses congruence postulates and theorems to identify congruent triangles.
• HGEO.4.2 Uses congruence postulates and theorems to prove congruent triangles.
5. SIMILARITY
• HGEO.5.1 Uses similarity postulates and theorems to identify similar polygons.
• HGEO.5.2 Uses similarity postulates and theorems to make conclusions about similar polygons.
• HGEO.5.3 Uses similarity theorems to find lengths, perimeters, areas and volumes in similar figures.
6. POLYGONS
• HGEO.6.1 Differentiates quadrilaterals based on the definition.
• HGEO.6.2 Applies postulates and theorems to find unknown angle measures and segment lengths
(required: triangles, quadrilaterals, and regular polygons).
• HGEO.6.3 Applies postulates and theorems to make conclusions about polygons (required: triangles
and quadrilateral).
7. RIGHT TRIANGLES
• HGEO.7.1 Applies the Pythagorean Theorem to find unknown side lengths.
• HGEO.7.2 Calculates unknown side lengths of special right triangles (required: 30-60-90 and 45-45-
90).
• HGEO.7.3 Calculates unknown side lengths and angles measures of right triangles using
trigonometric ratios.
• HGEO.7.4 Sets up, solves, and analyzes right triangle application problems.
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8. CIRCLES
• HGEO.8.1 Uses the properties and postulates to find unknown arc lengths, angles, and arc measures.
• HGEO.8.2 Graphs a circle from h k form.
• HGEO.8.3 Writes the equation of a circle given a graph or critical information.
9. PERIMETER AND AREA
• HGEO.9.1 Calculates the perimeter of planar figures.
• HGEO.9.2 Calculates the area of planar figures.
10. SURFACE AREA
• HGEO.10.1 Calculates surface area of a three-dimensional figure.
• HGEO.10.2 Applies geometric principles to a real life situation (required: surface area).
• HGEO.10.2 Sketches nets of figures and identifies figures from their nets.
11. VOLUME
• HGEO.11.1 Calculates the volume of a three-dimensional figure.
• HGEO.11.2 Applies geometric principles to a real life situation (required: volume).
12. OBLIQUE TRIANGLE TRIGONOMETRY
• HGEO.12.1 Solves triangles (required: oblique law of sines and cosines and the ambiguous case).
• HGEO.12.2 Solves application problems of oblique triangles (required: bearings).
13. TRANSFORMATIONAL GEOMETRY
• HGEO.13.1 Transforms an image.
• HGEO.13.2 Differentiates between translations, rotations, and reflections, giving the reflection line or
the direction and angle of rotation, as applicable.
• HGEO.13.3 Describes translations and reflections using coordinate notation.
• HGEO.13.4 Uses rotation and translation theorems to make conclusions about transformations
14. ORGANIZING AND ANALYZING DATA
• HGEO.14.1 Displays data in an appropriate graphical representation.
• HGEO.14.2 Calculates measures of central tendency (required: mean, median, and mode).
• HGEO.14.3 Calculates measures of variation (required: standard deviation).
15. PROBABILITY AND COUNTING RULES
• HGEO.15.1 Calculates and analyzes the probability of events (required: addition rule and
multiplication rule).
• HGEO.15.2 Calculates and analyzes the probability of "at least"/"at most" events (required:
complements).
• HGEO.15.3 Calculates and analyzes the probability of events involving counting rules (required:
permutations, combinations, counting principle, and factorials).
• HGEO.15.4 Uses permutations and combinations to determine number of total outcomes.