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Окуучулар квадраттык функция жонундо маалымат алышат

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Окуучулар квадраттык функцияны турмушта кантип колдонулганын тушунот

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Негизги суроо

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Негизги суроо

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Квадраттык функция деген эмне жана ал кантип колдонулат?

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Түздөн-түз окуу

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Түздөн-түз окуу

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Мугалим квадраттык функциянын негизин түшүндүрөт жана анын графигин сызат. Андан кийин мугалимдин көрсөтмөсү боюнча окуучулар практикалык тапшырмаларды аткарышат.

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Жетектелген практика

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Жетектелген практика

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Жуп болуп иштеп, окуучулар квадраттык функциянын графигин бирге талкуулашат жана чечишет. Бул тапшырма үчүн Padlet колдонууга болот.

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Көз карандысыз практика

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Көз карандысыз практика

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Ар бир окуучу өз алдынча квадраттык функциялардын графиктерин сызат жана тапшырмаларды аткарат. Мисалдар: y = x^2, y = (x - 2)^2 + 3.

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Дифференциациялык практика

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Дифференциациялык практика

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Алдын ала даярдалган тапшырмалар менен окуучуларга ар кандай деңгээлде жардам көрсөтүү. Айрым окуучуларга колдоо көрсөтүү жана кээ бирине кошумча чакырыктарды берүү.

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Формативдик баалоо 1

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Формативдик баалоо 1

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Окуучулар тапшырмаларды аткарып жатканда мугалимдин байкоосу жана жетекчилиги

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Формативдик баалоо 2

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Формативдик баалоо 2

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Жуп болуп талкуулоонун жүрүшүндө мугалимдин катышуусу жана багыттоосу.

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Mathematical goals

This lesson unit is intended to help you assess how well students are able to solve quadratics in one variable. In particular, the lesson will help you identify and help students who have the following difficulties:

Making sense of a real life situation and deciding on the math to apply to the problem.

Solving quadratic equations by taking square roots, completing the square, using the quadratic formula, and factoring.

Interpreting results in the context of a real life situation.

Introduction

Before the lesson students attempt the problem individually. You then review their work and write questions for students to answer to help them improve their solutions.

At the start of the lesson, students work alone, answering your questions. Students are then grouped and work collaboratively on the same task. In the same small groups, students are given some sample solutions to comment on and evaluate. In a whole-class discussion, students explain and compare the different solution strategies they have seen and used.

In a follow-up lesson students review what they have learned.

Materials required

Each student will need a copy of Cutting Corners and the How Did You Work? questionnaire.

Each small group of students will need an enlarged copy of the Cutting Corners task and a copy of each of the Sample Responses to Discuss.

Calculators should be available for students who require them.

There is also a projector resource to help with whole-class discussions.

Time needed

15 minutes before the lesson, a 90-minute lesson (or two shorter lessons), and 15 minutes in a follow-up lesson. Exact timings will depend on the needs of the class.

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This lesson unit is intended to help you assess how well students are able to solve quadratics in one variable. In particular, the lesson will help you identify and help students who have the following difficulties: Making sense of a real life situation and deciding on the math to apply to the problem.

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Суммативдик баалоо

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Суммативдик баалоо

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Кыска тестирлөө: Квадраттык функция нерсенин формациясын изилдеп, бир нече суроолорго жооп берүү. Мисалы, y = (x - 3)^2 теңдемесинин графигин чийүү.

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Топтук талкуу

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Топтук талкуу

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Окуучулардан квадраттык функция жонундо эмне билгенин бөлүшүүнү сураныңыз. Бул үчүн Padlet колдонууга болот.

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1. Understanding the Basics of Quadratic Functions: Students will learn about the characteristics and properties of quadratic functions. They will understand that quadratic functions are second-degree polynomials and that their graphs form a parabola.

2. Recognizing the Standard Form of a Quadratic Function: Students will be able to identify the standard form of a quadratic function, which is f(x) = ax^2 + bx + c. They will learn that 'a' represents the coefficient of the quadratic term, 'b' is the coefficient of the linear term, and 'c' is the constant term.

3. Interpreting the Graph of a Quadratic Function: Students will develop the ability to interpret the graph of a quadratic function. They will understand how the values of 'a', 'b', and 'c' in the standard form of a quadratic function affect the shape and position of the parabola.

Secondary Objectives:

1. Applying the Quadratic Formula: Students will learn how to solve quadratic equations using the quadratic formula. They will be able to find the roots (zeros) of a quadratic function.

2. Understanding Real-Life Applications: Students will be introduced to some real-life applications of quadratic functions, such as physics (involving the path of a projectile), engineering (designing bridges and buildings), and computer graphics (creating animations and video games).

1. Recap of Previous Knowledge: The teacher reminds the students of the basic concepts of algebra, such as variables, constants, and coefficients, and the properties of polynomials. This review is important to ensure that all students have the necessary foundational knowledge to understand quadratic functions. The teacher may ask questions to the class or have a quick quiz to assess the students' understanding.

2. Problem Situations: The teacher presents two problem situations that can be modeled using quadratic functions:

Situation 1: "You are launching a water balloon from a slingshot. How high will the balloon go and when will it hit the ground?"

Situation 2: "You are designing a bridge. How can you determine the shape of the bridge so that it can support the weight evenly?"

The teacher explains that these are real-world situations that can be solved using quadratic functions, and introduces the idea that quadratic functions can be used in various fields like physics and engineering.

3. Contextualization of the Subject: The teacher discusses the importance of quadratic functions in real life. They explain how quadratic functions are used in physics to describe the motion of objects in a gravitational field, in engineering to design structures that can withstand forces, and in computer graphics to create realistic animations and games.

By the end of the introduction, students should have a clear understanding of what quadratic functions are, why they are important in real life, and how they can be applied to solve problems.

Pre-Class Activities (10 - 15 minutes)

1. Reading Assignment: The teacher provides each student with a brief yet comprehensive reading assignment on the topic of quadratic functions. The students are asked to read about the concept, characteristics, and applications of quadratic functions. This reading material can be in the form of a textbook chapter, a handout, or an online article.

2. Video Lesson: The teacher also assigns an educational video for the students to watch at home. The video should provide an overview of quadratic functions, explain how to graph a quadratic function, and demonstrate how to solve a quadratic equation. The video should be engaging and easy to understand, ensuring that it caters to different learning styles.

3. Formative Quiz: To assess the students' understanding of the reading assignment and video lesson, the teacher creates a short online quiz. The quiz consists of multiple-choice questions and true or false statements about the basics of quadratic functions and their applications. The quiz should not be too challenging but should adequately test the students' comprehension.

In-Class Activities (25 - 30 minutes)

1. Activity 1: Parabolas Everywhere - Scavenger Hunt

Materials: For this activity, the teacher prepares a list of various objects or phenomena that resemble parabolic shapes, such as a satellite dish, a water fountain, a roller coaster, etc. This list should be distributed to each group of students. Each group also receives a digital camera (or a smartphone with a camera) and a worksheet with questions related to the objects on the list.

Procedure: The teacher divides the students into groups and explains that they will be going on a scavenger hunt around the school to find examples of parabolas in real life. The groups are tasked with finding as many parabolic examples as possible and answering the questions on their worksheet for each object. The questions could include: "What do you think are the x and y-intercepts for this parabola?" or "What could be the quadratic function that describes the shape of this parabola?"

Objective: This activity aims to help students understand the real-world application and interpretation of parabolas (quadratic functions) in a fun and engaging way.

2. Activity 2: Design Your Parabolic Bridge - Group Project

Materials: The teacher provides each group with a large sheet of graph paper, markers, and a set of parameters for the bridge design. The parameters should include the span (distance between the supports), the maximum height of the bridge, and the desired shape of the parabolic arch.

Procedure: The teacher explains that each group will be designing a bridge using a parabolic arch. They have to ensure that their bridge meets the given parameters, and they have to sketch the bridge on the graph paper, clearly showing the quadratic function that represents the parabolic arch. Once the design is complete, they have to present their bridge to the class, explaining how they used the quadratic function to create the design.

Objective: This activity reinforces the concept of quadratic functions by having students apply their knowledge to a creative design project. It also provides an opportunity for students to present their work, enhancing their communication and presentation skills.

3. Activity 3: Crack the Code - Quadratic Equations Puzzle

Materials: The teacher prepares a set of quadratic equations, each split into multiple pieces (for example, a quadratic equation f(x) = ax^2 + bx + c could be split into three pieces: ax^2, bx, and c). These pieces are then jumbled and placed in envelopes. Each group is given an envelope containing a jumbled quadratic equation, a large piece of paper, and colored pens.

Procedure: The groups' task is to reconstruct the quadratic equation correctly by arranging the jumbled pieces, and then solve it using the quadratic formula. Once they have solved the equation, they will get a number code that reveals the combination to a lock. The first group to unlock their lock wins.

Objective: This activity makes solving quadratic equations fun and competitive, encouraging students to apply their knowledge of the quadratic formula in a practical context.

By the end of the in-class activities, students should have a deep understanding of quadratic functions, their properties, and how they can be applied in real-world scenarios. They should also be familiar with the quadratic formula and be able to solve quadratic equations.

Reflection (3 - 4 minutes):

The teacher encourages the students to reflect on what they have learned in the lesson. They can ask questions such as:

1. "What was the most important concept you learned today?"

2. "What questions do you still have about quadratic functions?"

3. "How can you apply what you learned today about quadratic functions in your everyday life?"

The teacher gives the students a moment to think and then invites volunteers to share their reflections. This not only helps students consolidate their learning but also provides the teacher with valuable feedback about the effectiveness of the lesson and any areas that may need to be revisited in future lessons.

By the end of the feedback session, students should have a clear understanding of the concepts learned in the lesson, their applications, and any areas they may need to review. They should also feel confident in their ability to apply their knowledge of quadratic functions to solve problems and engage in further learning.

1. Recap (2 - 3 minutes):

The teacher summarizes the main points of the lesson, emphasizing the characteristics and properties of quadratic functions, their standard form, and how the values of 'a', 'b', and 'c' in the standard form affect the shape and position of the parabola.

The teacher also reminds students of the quadratic formula and how it can be used to solve quadratic equations and find the roots of a quadratic function.

The teacher then recaps the real-world applications of quadratic functions, such as in physics, engineering, and computer graphics.

2. Suggested Additional Materials (1 - 2 minutes):

The teacher recommends some additional resources for students who want to further explore the topic of quadratic functions. These resources could include:

Online tutorials or interactive games that allow students to practice graphing quadratic functions and solving quadratic equations.

Real-world examples of quadratic functions in action, such as videos showing how the shape of a parabolic satellite dish allows it to focus incoming signals.

Worksheets or problem sets for additional practice.

The teacher emphasizes that these resources are not mandatory but can be helpful for students who want to deepen their understanding or need extra practice.

3. Importance of the Topic (1 - 2 minutes):

The teacher concludes the lesson by explaining the importance of understanding quadratic functions. They highlight that quadratic functions are not only a fundamental concept in mathematics but also have widespread applications in various fields and everyday life.

The teacher gives examples of how quadratic functions are used in physics to describe the path of a projectile, in engineering to design structures with parabolic arches, and in computer graphics to create animations and video games. They also mention how understanding quadratic functions can help in making practical decisions, such as in financial planning or in optimizing processes.

The teacher encourages students to appreciate the relevance and applicability of what they have learned, reinforcing the idea that math is not just an abstract subject but a powerful tool for understanding and solving real-world problems.

By the end of the conclusion, students should have a comprehensive understanding of quadratic functions, their applications, and the importance of the topic. They should also be equipped with the necessary resources to further explore and practice the concepts learned in the lesson.

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Lesson plan of Flipped Classroom Methodology | Function: Quadratic | Lesson Plan

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Find original and free lesson plans to use in your classes.

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Шыруу суроосу

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Шыруу суроосу

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Exit Ticket: "Квадраттык функция кандайча күнүмдүк жашооңузда колдонулган учурларды элестетесиз?"

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Практикалык тапшырма

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Практикалык тапшырма

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Квадраттык функцияларга байланыштуу кошумча маселелерди чечүү. Мисалы, күнүмдүк жашоонун түрдүү аспектилеринен мисалдар келтирип, графиктерин сызуу.

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Онлайн оюндар

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Онлайн оюндар

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Квадраттык функцияны колдонуу менен онлайн оюндарды ойноо, бул жагымдуу жана билим берүүчү болушу мүмкүн.

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MathPup Crane Quadratics Online Game Video Overview

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Квадраттык функциянын аныкталуу областы

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Квадраттык функциянын аныкталуу областы

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Квадраттык функциянын аныкталуу областы

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Функция. Функциянын аныкталуу областы жана маанилеринин областы