NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions
In our everyday life, NCERT solutions for Class 7 Maths Chapter 12 Algebraic Expressions problems often arise where we need to figure out the unknown. For example, whether it's a student trying to find the answers to science questions or a businessman trying to figure out business numbers, all come across algebraic expressions in order to solve their respective unknown values.
Algebra is a field of mathematics that studies letters and symbols that represent unknown numbers or quantities, which are subsequently solved for and manipulated in a variety of ways. Algebraic expressions form the backbone of algebra. The NCERT solutions Class 7 maths Chapter 12 Algebraic Expressions deals with algebraic expressions in detail.
A comprehensive study of this chapter will help the students understand how the algebraic expressions are constructed, and how the unknown values can be found. These expressions can even be clubbed together. Algebraic expressions are composed of variables and constants. They will come across facts such as the addition of terms results in an expression, while a term is defined as a product of factors.
Algebraic equations are solved by grouping like terms and then solving for the unknown variable utilizing the order of operations. An algebraic expression having one or more terms is called a polynomial. The pdf file of Class 7 Maths NCERT Solutions Chapter 12 Algebraic Expressions can be found below and also find some of these in the exercises given below.
- NCERT Solutions Class 7 Maths Chapter 12 Ex 12.1
- NCERT Solutions Class 7 Maths Chapter 12 Ex 12.2
- NCERT Solutions Class 7 Maths Chapter 12 Ex 12.3
- NCERT Solutions Class 7 Maths Chapter 12 Ex 12.4
NCERT Solutions for Class 7 Maths Chapter 12 PDF
There is no one-size-fits-all approach to solving algebraic expressions, which is an important thing to note, and hence the value of the unknown variables can be determined using any logic, the details about which are further outlined in the NCERT solutions Class 7 maths Chapter 12 Algebraic Expressions, the free pdf form of which can be downloaded from the below link :
☛ Download Class 7 Maths NCERT Solutions Chapter 12
NCERT Class 7 Maths Chapter 12
NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions
The algebraic expressions need to be simplified in order to derive an answer, and this can be done by performing the arithmetic operations in the equation on the like terms, and then followed by a substitution method. More such strategies can be found in the NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions, and hence the students must make sure to cover all of the topics discussed here. A detailed analysis of the exercises in each section of the chapter can be seen below :
- Class 7 Maths Chapter 12 Ex 12.1 - 7 Questions
- Class 7 Maths Chapter 12 Ex 12.2 - 6 Questions
- Class 7 Maths Chapter 12 Ex 12.3 - 10 Questions
- Class 7 Maths Chapter 12 Ex 12.4 - 2 Questions
Topics Covered: The class 7 maths NCERT solutions Chapter 12 encapsulates all the details regarding the algebraic expressions starting from how they are formed to how their value is found out. The basic definitions of an expression, factors of a term, coefficient, like and unlike terms, monomial, binomial, trinomial, and polynomial are explicitly defined throughout the chapter. Further, the important concepts like how the expressions are added and subtracted, addition and subtraction of like terms, and how the rules and formulas in mathematics are written using the algebraic expressions are all covered in detail in this chapter.
Total Questions: Class 7 Maths Chapter 12 Algebraic Expressions Chapter 12 has 25 questions, and can be classified into easy (15 questions), medium (6 questions), and difficult (4 questions).
List of Formulas in NCERT Solutions Class 7 Maths Chapter 12
The NCERT solutions Class 7 maths Chapter 12 deals with important facts and concepts regarding algebraic expressions hence it is important for the students to make note of them. More than the formulas, it is the strategies or facts regarding the expressions that are covered in the chapter. Some of the facts or important definitions which will even be useful in the examinations are given below :
- Coefficient: The coefficient is defined as the numerical value in the term
- Like and Unlike Terms: If two algebraic expressions are to be added, the like terms get added leaving the unlike terms as they are.
FAQs on NCERT Solutions Class 7 Maths Chapter 12
Why are NCERT Solutions Class 7 Maths Chapter 12 Important?
Algebra is everywhere in our lives. It gives us the ability to solve the unknown, making it a most important concept to learn. The students must make an effort to learn it from the NCERT Solutions Class 7 Maths Chapter 12 as it is carefully designed by an expert team who have done decent research on the subject matter that they have put together in this book. Also, the CBSE board suggests referring to NCERT books, making them all the more important.
Do I Need to Practice all Questions Provided in NCERT Solutions Class 7 Maths Algebraic Expressions?
Each section in the chapter of NCERT Solutions Class 7 Maths Algebraic Expressions covers different topics related to algebraic expressions; hence each section has exercise questions pertaining to those topics. Thus, it is advisable to practice all the questions to get a hold of the concepts taught in each section. Also, solving each and every question will ensure one master a section or topic fully before moving on to the next. This will also help the students understand the new topics better.
How CBSE Students can utilize NCERT Solutions Class 7 Maths Chapter 12 effectively?
The students must make sure that they go through the book dedicatedly, and also practice the examples given in each section. The highlights presented in between the chapter as well as in the last must also be paid attention to imbibe the important information. Doing this will instill the necessary details regarding the algebraic expressions, thereby utilizing the NCERT Solutions Class 7 Maths Chapter 12 effectively.
What are the Important Topics Covered in NCERT Solutions Class 7 Maths Chapter 12?
The NCERT Solutions Class 7 Maths Chapter 12 makes sure to cover all the basics of algebra, starting from variables, constants, coefficients to the formation of algebraic expressions and how to solve or simplify them by either combining them or by the substitution method. Also, the addition subtraction of algebraic expressions is explained in an easy manner. Lastly, how algebraic expressions form the base for framing rules and formulas in mathematics is discussed in detail.
How Many Questions are there in NCERT Solutions Class 7 Maths Chapter 12 Algebraic Expressions?
There are 25 questions in Class 7 Maths Chapter 12 Algebraic Expressions, 15 of them have a direct approach and are easy, 6 will require some calculation, making them moderately easy, while the remaining 4 will require some time from the students to put the logic correctly.
What are the Important Formulas in NCERT Solutions Class 7 Maths Chapter 12?
Algebraic expressions in themselves can be called formulas which are framed to solve a particular problem. To solve this formula, the basic knowledge of its components is needed to simplify it further. This is achievable with the help of some algebraic concepts, which are explained in the NCERT Solutions Class 7 Maths Chapter 12. Concepts like how the like terms are identified and added and how to identify the coefficient are important to know to deal with the algebraic expressions.