Simplified concepts, tricks, and techniques to make learning math fun and practical.
Section A: Write Algebraic Expressions (1–10) 1. Write an expression for:(a) 6 more than a number(b) 4 times a number 2. Write an expression for:(a) 9 less than a number(b) Twice a number increased by 5 3. Write an expression for the perimeter of a square whose side is x cm. 4. Write an expression […]
📘 Chapter 4 – Practice Questions Read More »
🔤 Basics of Algebra 1. Which of the following is a letter-number?A. 5B. +C. xD. =👉 Answer: C 2. Which expression means “5 more than a number x”?A. 5xB. x − 5C. x + 5D. 5 − x👉 Answer: C 3. Which expression means “3 times a number a”?A. a + 3B. 3 + aC.
📘 Chapter 4 – Expressions Using Letter-Numbers MCQs (With Answers) Read More »
📝 Quick Revision + Exam Tips This post is for: Quick revision before exams Clearing confusion Scoring easy marks Read slowly. This post is very important 🙂 🔤 1. What are Letter-Numbers? Letters like a, x, y, n represent numbers These letters can change value Expressions using letters are called algebraic expressions Example: a +
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🔍 Finding Patterns and Writing Rules In this post, we will see how algebra helps us understand patterns.Instead of checking again and again, we write one rule that works every time. This idea is used again and again in maths . 🔢 What is a Pattern? A pattern means: Something repeats Something increases or decreases
📘 Chapter 4: Expressions Using Letter-Numbers (Part 3) Read More »
🔁 Using Expressions Again and Again In the previous post, we learnt: Letters can stand for numbers Expressions help us write maths in short form Now let us go a little deeper — step by step, no tension 🙂 ✖️ Writing Multiplication Without “×” In algebra, we usually do not write the multiplication sign. Example:
📘 Chapter 4: Expressions Using Letter-Numbers (Part 2) Read More »
🌱 What is this chapter about? In this chapter, we learn a new and smart way to write maths. Instead of writing long sentences again and again, we use letters to represent numbers.This makes maths short, clear, and easy. This idea is called algebra. 🔤 What are Letter-Numbers? Sometimes, we do not know the exact
📘 Chapter 4: Expressions Using Letter-Numbers (Part 1) Read More »
Explore the fundamental building blocks of mathematics. Numbers are the fundamental building blocks of mathematics. From simple counting to complex calculations, they are everywhere. This guide will take you through various types of numbers, their properties, and basic operations, helping you build a strong foundation in mathematics. 1. Natural Numbers Natural numbers are the counting
Understanding Number Systems Read More »
Multiplication is a basic math operation we all learn early, but when it comes to integers (those tricky positive and negative numbers), things can get a little confusing—especially for young learners. This guide will help you (or your child!) understand the multiplication of integers in the simplest way possible. What Does Multiplication Mean? Multiplication is
Multiplication of Integers Read More »
Integers are a fundamental part of mathematics, forming the building blocks of arithmetic and algebra. In this article, we explore the nature of integers, delve into essential properties such as closure, commutativity, associativity, and the additive identity, and provide practical examples and practice questions to enhance your understanding. What Are Integers? Integers are whole numbers
