Vietnam: What is lịch trực tiếp bóng đá hôm nay expression of lịch trực tiếp bóng đá hôm nay third identity? What are lịch trực tiếp bóng đá hôm nay regulations on assessing educational results for Mathematics in general education?
What is lịch trực tiếp bóng đá hôm nay expression of lịch trực tiếp bóng đá hôm nay third identity?
lịch trực tiếp bóng đá hôm nay third identity is one of lịch trực tiếp bóng đá hôm nay important mathematical formulas, widely used in transforming and simplifying algebraic expressions.
Identity number 3: Difference of squares.
Formula:
(a - b)² = a² - 2ab + b²
*Significance:
lịch trực tiếp bóng đá hôm nay square of a difference equals lịch trực tiếp bóng đá hôm nay square of lịch trực tiếp bóng đá hôm nay first term minus twice lịch trực tiếp bóng đá hôm nay product of lịch trực tiếp bóng đá hôm nay first term and lịch trực tiếp bóng đá hôm nay second term, plus lịch trực tiếp bóng đá hôm nay square of lịch trực tiếp bóng đá hôm nay second term.
Example:
(x - 3)² = x² - 2*x*3 + 3² = x² - 6x + 9
(2a - b)² = (2a)² - 2*2a*b + b² = 4a² - 4ab + b²
*Application:
Factorizing polynomials:
When encountering an expression in lịch trực tiếp bóng đá hôm nay form a² - b², it can be factored into (a - b)(a + b).
Simplifying expressions:
Use lịch trực tiếp bóng đá hôm nay identity to transform complex expressions into a simpler form.
Solving equations:
Apply lịch trực tiếp bóng đá hôm nay identity to bring equations into a factorized form to find solutions.
*Other notable identities:
Square of a sum: (a + b)² = a² + 2ab + b²
Cube of a sum: (a + b)³ = a³ + 3a²b + 3ab² + b³
Cube of a difference: (a - b)³ = a³ - 3a²b + 3ab² - b³
Sum of cubes: a³ + b³ = (a + b)(a² - ab + b²)
Difference of cubes: a³ - b³ = (a - b)(a² + ab + b²)
*Note: Information is only for reference purposes./.
What is lịch trực tiếp bóng đá hôm nay expression of lịch trực tiếp bóng đá hôm nay third identity? What are lịch trực tiếp bóng đá hôm nay regulations on assessing educational results for Mathematics in general education in Vietnam? (Image from lịch trực tiếp bóng đá hôm nay Internet)
What is lịch trực tiếp bóng đá hôm nay duration of lịch trực tiếp bóng đá hôm nay Mathematics curriculum by grade in Vietnam?
Under sub-section 2, section 8 of lịch trực tiếp bóng đá hôm nay Mathematics General Education Program issued withCircular 32/2018/TT-BGDDT, lịch trực tiếp bóng đá hôm nay duration of lịch trực tiếp bóng đá hôm nay Mathematics curriculum by grade is as follows:
| Grade | Grade 1 | Grade 2 | Grade 3 | Grade 4 | Grade 5 | Grade 6 | Grade 7 | Grade 8 | Grade 9 | Grade 10 | Grade 11 | Grade 12 |
| Number of lessons | 105 | 175 | 175 | 175 | 175 | 140 | 140 | 140 | 140 | 105 | 105 | 105 |
Specifically, at lịch trực tiếp bóng đá hôm nay upper secondary level, each grade has an additional 35 lessons/year for elective academictopics.
What are lịch trực tiếp bóng đá hôm nay regulations on assessingeducational resultsforMathematics in general education in Vietnam?
According to section 7 of theGeneral Education Program forMathematics issued withCircular 32/2018/TT-BGDDT:
- Assessment of theeducational results in Mathematics aims to provide accurate, prompt, and valuable information about lịch trực tiếp bóng đá hôm nay development of abilities and progress of students based on lịch trực tiếp bóng đá hôm nay required achievements for each grade and education level;
Adjust teaching activities to ensure lịch trực tiếp bóng đá hôm nay progress of each student and improve lịch trực tiếp bóng đá hôm nay quality of Mathematics education in particular and education quality in general.
- Employ a combination of multiple forms of assessment (process assessment, periodic assessment), and multiple assessment methods (observation, recording lịch trực tiếp bóng đá hôm nay implementation process, verbal interview, objective tests, essays, written tests, practice exercises, projects/products assignments, real-world tasks,...) and at appropriate times.
- Process assessment (or continuous assessment) is conducted by lịch trực tiếp bóng đá hôm nay subject teacher, combined with assessments from teachers of other subjects, self-assessment by lịch trực tiếp bóng đá hôm nay assessed student, and other students in lịch trực tiếp bóng đá hôm nay group, class or assessment by lịch trực tiếp bóng đá hôm nay student's parents.
Process assessment is linked to students' learning activities, avoiding a disconnection between teaching and assessment processes, and ensuring assessment objectives for students' progress in learning.
- Periodic assessment (or summative assessment) primarily aims to assess lịch trực tiếp bóng đá hôm nay achievement of learning objectives.
Results from periodic and summative assessments are used to certify learning levels and recognize students' achievements.
Periodic assessment is conducted by educational institutions or through national testing and assessment.
- Periodic assessment is also used to serve lịch trực tiếp bóng đá hôm nay management of teaching activities, ensuring quality at educational institutions and serving lịch trực tiếp bóng đá hôm nay development of lịch trực tiếp bóng đá hôm nay Mathematics program.
- Assess students' abilities through evidence reflecting achievements during lịch trực tiếp bóng đá hôm nay execution of students' actions.
lịch trực tiếp bóng đá hôm nay assessment process includes basic steps: determining assessment purposes; identifying necessary evidence; selecting appropriate assessment methods and tools; collecting evidence; interpreting evidence and making comments.
- Focus on selecting methods and tools for evaluating lịch trực tiếp bóng đá hôm nay components of mathematical competencies. To be specific:
+ Assess theability to think and reason mathematically: it may involve some methods and tools like questions (oral, written), and exercises,... requiring students to present, compare, analyze, aggregate, and systematize knowledge;
Must apply mathematical knowledge to explain and justify reasoning.
+ Assess theability to model mathematically: select real-world situations that prompt mathematical problems.
From this, students are required to identify a mathematical model (including formulas, equations, tables, graphs,...) for situations presented in real-world problems;
Resolve mathematical issues within lịch trực tiếp bóng đá hôm nay established model; present and assess solutions in a practical context and improve lịch trực tiếp bóng đá hôm nay model if lịch trực tiếp bóng đá hôm nay solutions are not appropriate.
+ Assess theability to solve mathematical problems: methods such as requiring learners to identify situations, recognize and present issues to be solved;
Describe and explain initial information, objectives, and expectations of lịch trực tiếp bóng đá hôm nay current problem situation; collect, select, organize information and connect with existing knowledge;
Use questions (may require spoken or written responses) that demand learners to apply knowledge to solve issues, especially practical ones; use observation methods (such as checklists based on established criteria), and observe learners during problem-solving;
Essess through learners' practice products (such as results from learning projects); reasonably consider integrated assessment tasks.
+ Assess theability to communicate mathematically: methods such as requiring learners to understand verbally, read, record (summarize), analyze, select, and extract essential core mathematical information in spoken or written texts;
Use mathematical language combined with regular language to present, express, question, discuss, debate mathematical content, ideas, solutions in interaction with others.
+ Assess theability to use mathematical tools and means: methods such as requiring learners to recognize lịch trực tiếp bóng đá hôm nay name, function, usage specifications, method of preservation, advantages, and limitations of mathematical tools and means;
Present lịch trực tiếp bóng đá hôm nay method (appropriately) of using tools and means for performing learning tasks or to express mathematical reasoning and proof.
When teachers plan lessons, it is necessary to establish criteria and methods of assessment to ensure that by lịch trực tiếp bóng đá hôm nay end of each lesson, students meet basic requirements based on set criteria before proceeding with subsequent learning activities.
