Pre-Test Results - Geometry Benchmark Period 1 Period 3 Period 5 4.2a Describe, analyze, and reason informally about the attributes of two- and three-dimensional shapes. (1 MC) 0 6 4 4.3a Identify and compare similar shapes using ratio, proportion, or scale factor. (1 MC & 1 CR) 0 1 1 4.4a Construct a coordinate graph and plot ordered integer pairs in all four quadrants. (1 MC) 14 23 11 4.5a Solve problems involving the circumference of a circle. (1 MC & 1 CR) 2 19 6 4.5b Solve problems involving the areas of circles, triangles, and parallelograms. (1 CR) 0 2 2 4.5c Solve problems involving the surface area of rectangular prisms. (2 MC & 1 CR) 0 0 0 4.6a Use reflections, translations, and/or rotations to determine congruence between figures. (1 MC) 1 5 0 Taylor – Geometry Unit Eligible for Extension List Standard Skill Period 1 Period 3 Period 5 4.2a 2-D & 3-D Shapes Diego, Soleil, Tiyanna, Mackenzie, Mila, and Pedro Leslye, Reyna, Juan, and Carlos 4.3a Similar Figures Soleil Jazmine 4.4a Coordinate Graphing Steven, Ray, Kaedan, Eddie, Alexis, LaNya, Brian, Jackie, Charlotte, Sara, Jayna, Amadee, Linzi, and Dayana Jessica, Leticia, Ale, Kristy, Rhana, Juan, Reyna, Wendy, Evelyn, Payton, Danny, Tiyanna, Alissa, Justin Kendrick, Jenny, Yoanna, Francisco, C., Joel, Carmen, Rhemi, Riley, Chris, Anastaja, Darius, and Jazmine Jamie, Diego, Mackenzie, Pedro, Soleil, Alex, Luis, and Justin N. 4.5a Circumference Shane and LaNya Autumn, Ale, Kristy, Rhana, Payton, Danny, Tiyanna, Justin C., Joel, Carmen, Rhemi, Riley, Chris, Jamie, Mackenzie, Pedro, Soleil, Alex, and Justin N. Leslye, Carlos, Juan, Francisco, Luis, and Rachel 4.5b Area Jessica & Rhemi Kendrick and Jenny 4.5c Surface Area 4.6a Transformations Ray Payton, Justin C., Joel, Soleil, and Rhemi 2-D & 3-D Figures STANDARD 4.2a Describe, analyze, and reason informally about the attributes of two- and threedimensional shapes, i.e. angles, sides, edges, faces, and vertices. LEARNING TARGET Today I can describe, analyze, and reason informally about the attributes of two- and three-dimensional shapes. KEY VOCABULARY Polygon Regular Polygon Angles Sides Congruent Scalene Isosceles Equilateral Acute Obtuse AGENDA • (10 min) Warm-Up • (5 min) Review : Types of Triangles • (15 min) Example 1: Classify the Triangle • (5 min) Review: Types of Quadrilaterals • (15 min) Example 2: Statements About Quadrilaterals • (5 min) Review: Types of 3-D Shapes • (15 min) Example 3: Statements about Pyramids • (5 min) Exit Ticket • (5 min) Review Correct Answers TCAP QUESTIONS 4.2a 1 MC (1 point) 2-D & 3-D Figures WARM-UP 1. Draw two different triangles. 2. Find someone who has a similar triangle to one of yours. 3. Discuss what makes the two triangles similar. Use vocabulary to include angles and sides. 4. Find someone who has a different triangle than one of yours. 5. Discuss what makes the two triangles similar. Use vocabulary to include angles and sides. 6. Write how you know your triangles are similar or different. Use vocabulary to include angles and sides. 2-D & 3-D Figures REVIEW Classifying Triangles 2-D & 3-D Figures EXAMPLE 1 How can you classify this triangle? STRATEGY Examine the sides and the angles. SOLUTION The triangle can be classified as an isosceles triangle and as a right triangle. 2-D & 3-D Figures REVIEW Types of Quadrilaterals 2-D & 3-D Figures EXAMPLE 2 Which of the following statements is always true? A. Every parallelogram is a rectangle B. Some trapezoids are parallelograms C. Every rhombus is a square D. Every square is a parallelogram STRATEGY Compare each statement with the definitions. SOLUTION Choice D is always true: Every square is a parallelogram. 2-D & 3-D Figures REVIEW Types of 3-D Shapes 2-D & 3-D Figures EXAMPLE 3 Which statement is always true? A. All pyramids have 5 faces B. All pyramids have 4 vertices C. Every triangular pyramid is a rectangular pyramid D. Every square pyramid is a rectangular pyramid STRATEGY Compare each statement pictures of pyramids. SOLUTION Choice D is always true: Every square pyramid is a rectangular pyramid. 2-D & 3-D Figures LESSON PRACTICE • 6 Multiple Choice questions • 1 Constructed Response question (4 parts) ANSWERS (Multiple Choice) 1. D 2. D 3. C 4. B 5. D 6. D 2-D & 3-D Figures EXIT TICKET Similar Figures STANDARD 4.3a Identify and compare similar shapes using ratio, proportion, or scale factor. LEARNING TARGET Today I can identify and compare similar shapes using ratio, proportion, or scale factor. KEY VOCABULARY Similar Ratio Proportion Scale Factor AGENDA • (10 min) Warm-Up • (5 min) Review: Scale Factor • (10 min) Example 2: Using Scale Factor • (20 min) Lesson Practice • (20 min) Constructed Response • (5 min) Exit Ticket • (5 min) Review Correct Answers TCAP QUESTIONS 4.3a 1 MC (1 point) & 1 CR (3 points) Similar Figures WARM-UP Which two figures appear to be similar? Explain. Similar Figures EXAMPLE Quadrilateral PQRS is similar to quadrilateral TUVW. What is the length of side VW? STRATEGY Use corresponding side lengths to find the scale factor. SOLUTION The length of side VW is 18 units. Similar Figures LESSON PRACTICE • 4 Multiple Choice questions • 1 Constructed Response question (4 parts) ANSWERS (Multiple Choice) 1. C 2. C 3. A 4. B Similar Figures EXIT TICKET Circumference & Area STANDARDS 4.5a Solve problems involving the circumference of a circle. 4.5b Solve problems involving the areas of circles, triangles, and parallelograms. 5.4a Develop and use procedures for formulas to solve problems involving area of polygons. LEARNING TARGET Today I can solve problems involving the circumference of a circle and area of circles, triangles, parallelograms, and trapezoids. KEY VOCABULARY Circumference Area Formula AGENDA • (10 min) Warm-Up • (15 min) Example 1: Circumference • (10 min) Example 2: Area of a Circle • (15 min) Constructed Response • (10 min) Review: Area Formulas • (15 min) Example 3: Area of a Trapezoid • (5 min) Exit Ticket • (5 min) Review Correct Answers TCAP QUESTIONS 4.5a 1 MC (1 point), 1 CR (2 points) 4.5b 1 CR (3 points) 5.4a 1 MC (1 point), 1 CR (2 points) Circumference & Area WARM-UP Parts of a Circle 1. 2. 3. 4. 5. Draw a circle. Label the circumference. Label the diameter. Label the radius. Write the value for pi (π) to the hundredths place. Bonus: Write the formula for finding the circumference of a circle. Bonus: Write the formula for finding the area of a circle. Circumference & Area EXAMPLE 1 A circular pond has a radius of 12 feet. What is the circumference of the pond to the nearest foot? STRATEGY Use the formula for circumference when you know the radius. SOLUTION The circumference of the pond to the nearest foot is 75 feet. Circumference & Area EXAMPLE 2 A circular mirror has a diameter of 18 inches. What is the area of the mirror? STRATEGY Use the formula for the area of a circle. SOLUTION The area of the mirror is approximately 254.34 square inches. Circumference & Area REVIEW Area formulas for polygons Shape Picture Area Formula Parallelogram A = bh Rectangle A = lw Square A = s2 Triangle A = bh ÷ 2 Trapezoid A = h(b1 + b2) ÷ 2 Circumference & Area EXAMPLE 3 What is the area of this trapezoid? STRATEGY Use the formula for area of a trapezoid. SOLUTION The area of the trapezoid is 756 square inches. Circumference & Area LESSON PRACTICE • 7 Multiple Choice questions • 1 Constructed Response question (2 parts) ANSWERS (Multiple Choice) 1. B 2. C 3. C 4. C 5. A 6. B 7. C Circumference & Area EXIT TICKET Surface Area of Rectangular Prisms STANDARD 4.5c Solve problems involving the surface area of rectangular prisms. LEARNING TARGET Today I can solve problems involving the surface area of rectangular prisms. KEY VOCABULARY Surface Area Faces AGENDA • (10 min) Warm-Up • (10 min) Example 1: Surface Area • (10 min) Example 2: Surface Area • (20 min) Lesson Practice • (15 min) Constructed Response • (5 min) Exit Ticket • (5 min) Review Correct Answers TCAP QUESTIONS 4.5c 2 MC (1 point each), 1 CR (4 points) Surface Area of Rectangular Prisms WARM-UP What do these shapes all have in common? Explain using math vocabulary. Surface Area of Rectangular Prisms EXAMPLE 1 Find the surface area of this rectangular prism. STRATEGY Add the areas of the 6 faces to find the total surface area. SOLUTION The surface area of the rectangular prism is 280 square inches. Surface Area of Rectangular Prisms EXAMPLE 2 Find the surface area of this rectangular prism. STRATEGY Use the formula for the surface area of a rectangular prism. SOLUTION The surface area of the rectangular prism is 88 square centimeters. Surface Area of Rectangular Prisms LESSON PRACTICE • 6 Multiple Choice questions • 1 Constructed Response question (1 part) ANSWERS (Multiple Choice) 1. A 2. C 3. D 4. B 5. D 6. B Surface Area of Rectangular Prisms EXIT TICKET The Coordinate Plane STANDARD 4.4a Construct a coordinate graph and plot ordered integer pairs in all four quadrants. AGENDA • (10 min) Warm-Up • (10 min) Example 1: Plotting Points • (10 min) Example 2: Locating Points LEARNING TARGET Today I can construct a coordinate graph and • (10 min) Lesson Practice • (5 min) Exit Ticket plot and locate integer ordered pairs in all • (5 min) Review Correct Answers four quadrants. KEY VOCABULARY Surface Area Faces TCAP QUESTIONS 4.4a 1 MC (1 point ) The Coordinate Plane WARM-UP Draw and label a coordinate plane from -5 to +5 on both the x-axis and y-axis. The Coordinate Plane EXAMPLE 1 Plot a point on the coordinate plane for the ordered pair (4, -3). The Coordinate Plane EXAMPLE 2 What are the coordinates for point P? The Coordinate Plane LESSON PRACTICE • 6 Multiple Choice questions • 1 Constructed Response question (3 parts) ANSWERS (Multiple Choice) 1. A 2. C 3. D 4. C 5. C 6. D The Coordinate Plane EXIT TICKET Translations, Reflections, and Rotations STANDARD 4.6a Use reflections, translations, and/or rotations to determine congruence between figures. LEARNING TARGET Today I can use reflections, translations, and/or rotations to determine congruence between figures. KEY VOCABULARY Transformation Reflection Translation Rotation AGENDA • (10 min) Warm-Up • (10 min) Review: Types of Transformations • (5 min) Activity: Move It! • (5 min) Activity: Partner Mirror • (15 min) Example 1: Reflections • (10 min) Example 2: Translations • (10 min) Lesson Practice • (5 min) Exit Ticket • (5 min) Review Correct Answers TCAP QUESTIONS 4.6a 1 MC (1 point ) Translations, Reflections, and Rotations WARM-UP Would you let the purple block drop straight down or rotate it? Explain. Translations, Reflections, and Rotations REVIEW Types of transformations ACTIVITY: Move It! ACTIVITY: Mirror, Mirror Translations, Reflections, and Rotations EXAMPLE 1 Reflect triangle ABC over the y-axis. STRATEGY Reflect each vertex over the y-axis. SOLUTION Triangle DEF is a reflection of triangle ABC over the y-axis. Translations, Reflections, and Rotations EXAMPLE 2 Which transformation will move triangle JKL to triangle PQR? STRATEGY Examine how each vertex moved. SOLUTION A translation of 8 units down will move triangle JKL to triangle PQR. Translations, Reflections, and Rotations EXAMPLE 3 Rotate triangle RST 180 degrees clockwise around point S. STRATEGY Rotate each vertex around point S. SOLUTION Triangle SVW is a rotation of triangle RST 180ĚŠ clockwise around point S. Translations, Reflections, and Rotations LESSON PRACTICE • 4 Multiple Choice questions • 1 Constructed Response question (2 parts) ANSWERS (Multiple Choice) 1. A 2. D 3. D 4. C Translations, Reflections, and Rotations EXIT TICKET