# TRAPEZOIDS: Properties (Geometry Curriculum in 5 min tasks - Unit 17)

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TRAPEZOIDS: Properties (Geometry Curriculum in 5 min tasks - Unit 17)
Identifying and applying appropriate property, based on the given elements of a trapezoid. Scalene, Isosceles and Right trapezoids are involved.Connections to other Geometry units are provided (Pythagorean Th., Trigonometry, Segment partition) / Daily Geometry Regents Prep with Quick Check tasks.
Track students’ progress consistently, efficiently and frequently with Daily Geometry Checkpoints / HS Geometry curriculum.
Solutions are included.
This collection of tasks is composed of performance indicators embedded in HS Geometry state assessments and is a good source of pre-tests, test-prep, quizzes, exit slips, bell-ringers.
It can be used as a workbook, homework practice, flipped classroom supplement.
It contains:
-26 assessment tasks (A and B versions) + Keys w/solutions.
-28 pages
*17.1_Contextual Challenge: base ∠-s of a trapezoid are ≅ ONLY in isosceles trapezoids (numeral values for angles). Explain. Ans: Impossible to find the missing angle/not enough information.
17.2_same-leg- ∠-s of a trapezoid are supplementary. Explain. Diagram is not provided (numeral values for angles).
17.3_Contextual Challenge: non-Base ∠-s of a trapezoid are supplementary vs. Base ∠-s ≅ ONLY in isosceles trapezoids (angle measures as expressions).
17.4_Properties of base angles in Isosceles Trapezoids (angle measures as expressions).
*17.5_Properties of base angles in Isosceles Trapezoids: find the length of the altitude (w/Transversal and Alternate Interior ∠; angle measures as expressions).
17.6_Properties of legs, bases and altitudes in Isosceles Trapezoids (Pythagorean Theorem).
17.7_Properties of legs, bases and altitudes in Isosceles Trapezoids: find the length of the altitude (Trigonometry/tangent; round to the whole #).
*17.8_Properties of legs, bases and altitudes in Isosceles Trapezoids: find the measure of a base angle (Trigonometry/tangent; round to the whole #).
17.9_Properties of legs, bases and altitudes in Isosceles Trapezoids: find the length of the projection of a leg (Trigonometry/cosine).
*17.10_Properties of legs, bases and altitudes in Isosceles Trapezoids: find the length of the projection of a leg and the whole base (Trigonometry/tangent/Isosceles Δ).
17.11_Vocabulary Challenge: Properties of angles in a trapezoid. (Alternate Interior ∠s).
17.12_Properties of legs, bases and altitudes in Right Trapezoids: find the length of a leg (Trigonometry/sine/Isosceles Δ).
17.13_Properties of legs, bases and altitudes in Right Trapezoids: find the base angle (Trigonometry/Arcsine).
----more for Geometry CURRICULUM in 5-min TASKS here: -----
- HS Geometry Curriculum in 5 min Tasks and Assessments (w/ Keys, Solutions)
- Geometry PreREQUISITES (Geometry Curriculum in 5 min tasks - Unit 1):
- Geometry FOUNDATIONS (Geometry Curriculum in 5 min tasks - Unit 2)
- SLOPE (Geometry Curriculum in 5 min tasks - Unit 3)
- CONSTRUCTIONS (Geometry Curriculum in 5 min tasks - Unit 4)
- DISTANCE (Geometry Curriculum in 5 min tasks - Unit 5)
- PERIMETER of Polygons (Geometry Curriculum in 5 min tasks - Unit 6)
- AREA of Polygons (Geometry Curriculum in 5 min tasks - Unit 7)
- MIDPOINT (Geometry Curriculum in 5 min tasks - Unit 8)
- SEGMENT PARTITION (Geometry Curriculum in 5 min tasks - Unit 9)
- TRIANGLE PROPERTIES: HS Geometry Curriculum Daily Assessments Unit 10)
- SPECIAL TRIANGLES (Geometry Curriculum in 5 min tasks - Unit 11)
- RIGHT TRIANGLES (Geometry Curriculum in 5 min tasks - Unit 12)
- SIMILARITY: Properties and Connections (Geometry Curriculum in 5 min tasks - Unit 13)
- SIMILARITY: Split-side Triangles (Geometry Curriculum in 5 min tasks - Unit 13)
- SIMILARITY: RIGHT TRIANGLES (Geometry Curriculum in 5 min tasks - Unit 13)
- TRIANGLE SIMILARITY (Geometry Curriculum in 5 min tasks - Unit 13)
- TRIANGLE CONGRUENCE CRITERIA (Geometry Curriculum in 5 min tasks - Unit 14)
- Geometry PROOFS:Similarity (Geometry Curriculum in 5 min tasks - Unit 15)
- GEOMETRY PROOFS (Geometry Curriculum in 5 min tasks - Unit 15)
- Geometry PROOFS: Congruence (Geometry Curriculum in 5 min tasks - Unit 15)
- PARALLELOGRAMS: Properties (Geometry Curriculum in 5 min tasks - Unit 16)
- TRAPEZOIDS: Properties (Geometry Curriculum in 5 min tasks - Unit 17)
- COORDINATE PROOFS (Geometry Curriculum in 5 min tasks - Unit 18)
- LINE REFLECTION (Geometry Curriculum in 5 min tasks - Unit 19)
- POINT REFLECTION (Geometry Curriculum in 5 min tasks - Unit 20)
- *FREE* TRANSLATION transformations (Geometry Curriculum in 5 min tasks - Unit 21)
- DILATION (Geometry Curriculum in 5 min tasks - Unit 22)
- DILATION of a line (Geometry Curriculum in 5 min tasks - Unit 23)
- IDENTIFYING TRANSFORMATIONS (Geometry Curriculum in 5 min tasks - Unit 24)
- FORMULA of CIRCLE (Geometry Curriculum in 5 min tasks - Unit 25)
- CIRCLES: Central and Inscribed Angles , Arcs (Geometry Curriculum - Unit 26)
- >CIRCLES: Arcs and Angles Formed by Tangents, Chords, Secants ( - Unit 27)
- CIRCLES: Segments and Arcs formed by Tangents, Chords, Secants ( - Unit 28)
- CIRCLES: Arc Length, Area of Sector (Geometry Curriculum - Unit 29)
- Volume of Solids_Cross-sections of 3D-figures (Geometry Curriculum -Unit 30)
- Volume Applications and Real Life Word Problems (Geometry Curriculum -Unit 31)
-Density and Volume Applications / Real Life Word Problems ( -Unit 32)
------------------more for ERROR ANALYSIS TASKS here: -----
- Error Analysis activity: Linear Inequality "Hidden Rule Identity"
- Error Analysis activity: Linear Equation: PRACTICE isolating the y
- Error Analysis activity: Simplifying Square Root Expressions Products vs Sums
- Error Analysis activity: Simplifying Radical Expressions STRATEGIES
------------------ more for SUBSTITUTE TEACHERS GEOMETRY here:---------------------------------
- Geometry Bundle Word Search Substitute Teacher activity
------------------more for DIAGRAM LABELING & DECODING PRACTICE here: -----------
- Geometry Labeling Practice: Vocabulary To Diagrams_OR_Diagr. to Symb. to Vocab.
- Geometry Labeling Practice: Symbols To Diagrams_OR_Diagr. to Symb. to Vocab.
-------------------more for HS Math UNIT PLANS here:---------------------------------
- HS Math Unit Plan: Radical Expressions for Algebra, Geometry, Math Review Class
- HS Geometry Unit Plan: Basic terms and Relationships of Geometry
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