Reading & Evaluating Complex Expressions | CBSE Class 7 Maths Chapter 2 - Arithmetic Expressions
To Get Live 1:1 Instant Demo Class, Register On - https://sisyaclass.com/10xboostercour... Watch Chapter 2 Part 1 Here - • Simple Expressions | CBSE Class 7 Maths Ch... Ever got confused between solving 30 + 5 × 4 and (30 + 5) × 4? 🧠 What if we told you that one missing bracket can completely change your answer—and your marks? Welcome to the ultimate breakdown of reading and evaluating complex expressions from CBSE Class 7 Maths Chapter 2 – Arithmetic Expressions. In this concept-rich lesson from Ganita Prakash Class 7, we’ll learn how to simplify expressions, avoid silly mistakes, and master the hidden logic behind everyday calculations. CBSE Class 7 Maths Chapter 2 – Arithmetic Expressions (Part 2) | SISYA Classes 00:00 – Introduction to Continuation of Arithmetic Expressions 00:18 – Topics Covered In This Chapter 01:23 – Reading and Evaluating Complex Expressions 03:30 – Introduction to Brackets in Expressions 04:52 – Why Brackets Are Essential in Arithmetic Calculations 05:55 – Use of BODMAS Rule in Expression Solving 09:59 – Terms in Expressions 11:42 – Identifying Number of Terms in a Math Expression 12:25 – Distinguishing Positive and Negative Terms in Subtraction 13:37 – Understanding the Impact of Opening Brackets 14:02 – Replacing Subtraction with Addition of Negative Numbers 14:57 – Writing Expressions Using + and – Consistently 15:03 – Counting Number of Terms in Mixed Expressions 16:39 – Introduction to Swapping and Grouping in Expressions 17:24 – Explaining Swapping Concept with Position Changes 18:28 – Definition of Commutative Property 22:06 – When Commutativity Doesn’t Hold 27:01 – Caution: Avoid Mistakes in Multi-Term Expressions 28:02 – Commutative Property Check with Negative Terms 28:35 – Introduction to Associative Property of Addition 29:49 – Associativity Rule: Changing Grouping Doesn’t Affect Result 31:36 – Validating Associative Property for Negative Numbers 32:27 – Commutative vs Associative Property 📌 What You’ll Learn: ✅ Step-by-step process of reading and evaluating complex expressions ✅ How to correctly apply brackets in expression questions ✅ Real-world use cases of arithmetic expressions class 7 using relatable examples ✅ Deep dive into terms in expression class 7—what counts and what doesn’t ✅ Tricks to avoid common errors in class 7 maths chapter 2 arithmetic expressions ✅ Key rules for counting the number of terms in an expression ✅ Difference between operators and operands in multi-step expressions ✅ Visual interpretation of commutative and associative properties ✅ Practical math through relatable stories, like how much change Irfan gets back at a shop ✅ Why swapping the order of terms in class 7 maths sometimes gives the same result (and when it doesn’t) 🧠 Concepts Made Easy: 1. Learn to evaluate brackets in expression using BODMAS correctly 2. Understand when subtraction and division break commutative/associative properties 3. Know how to simplify algebraic expressions and arithmetic expressions class 7 questions and answers 4. See how replacing subtraction with addition using negatives affects the outcome 5. Count terms the right way in expressions with mix of operations like multiplication, division, and addition 6. Use mental math to solve expressions faster and smarter 7. Master swapping and grouping techniques with examples from Ganita Prakash Class 7 This isn’t just a math lesson—it’s an eye-opener for every CBSE Class 7 student trying to make sense of long expressions, tricky signs, and confusing word problems. Whether you're working through NCERT class 7 maths chapter 2, revising for exams, or simply struggling with Arithematic expressions, this video gives you all the clarity you need. Especially useful if you follow the class7 math new textbook Ganita Prakash. 🔔 Subscribe to Sisya Classes and master every concept of cbse class 7 maths chapter 2 with clarity and confidence.
