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Showing posts with label class8-maths. Show all posts
Showing posts with label class8-maths. Show all posts

Class 8 - Maths - Square and Square Roots (Worksheet)

Q1. What will be the unit digit of the square of the following numbers?
(a) 67
(b) 23

(a) 9 (∵ 7 × 7 = 49)
(b) 9 (∵ 3 × 3 = 9)

Class 8 Rational Numbers - Question Patterns Related to Addition of Rational Numbers (Solved)

Here, different types of patterns related to addition of rational numbers are given. This will help student understanding the ways to solve these types of questions.

Rational numbers are closed under addition. It means when we add two rational numbers, the resulting number is rational number also.

Tuesday 3 May 2022

For Class 7 / Class 8 / Class 9

The worksheet will help you understand the basic definition of Rational and its properties.

National Mathematics Day

India celebrates National Mathematics Day on December 22 every year. The day marks the birth anniversary of famous mathematician Srinivasa Ramanujan.

*Typo in the graphic new = knew

Class 8 - Maths - Cube Roots

Cube root is the inverse operation of a cube.

Symbol ∛ represents a cube-root.

e.g. $\sqrt[3]{8} = 2$,

$\sqrt[3]{216} = 6$

METHODS OF FINDING CUBE ROOT

There are two methods of finding Cube Root

1. Prime Factorisation

2. Estimation Method

Tuesday 13 July 2021

Class 9 Maths - Important Identities (#class9Maths)(#eduvictors)

Class 9 Maths - Important Identities

(a+b)² = a² + 2ab+ b²

(a–b)² = a² –2ab + b²

a² – b² = (a+b)(a–b)

CBSE Class 8 - Mathematics Annual Sample Question Paper(2019-20)

Getting good marks is very important for students of class 8. For this one must practice and attempt sample question papers within time limits.

Here follows a sample question paper on Mathematics subject to assess your knowledge about the subject.

For studying you may refer following books:

Chapter 9 - Rational Numbers (Worksheet)

CBSE Class 7 Maths

Fill in the blanks

1. A rational number is a number that can be written in the form p/q, where p and q are ________ and q ____ 0.

2. The ________ of a rational number can never be zero.

3. The rational number _______ is neither negative nor positive.

ALGEBRAIC EXPRESSIONS, IDENTITIES AND FACTORISATION

(MCQs)
CBSE Class 8 - Maths

Q1: Which is the like term as 24a²bc?
(a) 13 × 8a × 2b × c × a
(b) 8 × 3 × a × b × c
(c) 3 × 8 × a × b × c × c
(d) 3 × 8 × a × b × b × c

Typical Factorisation Solved Problems

Class 8/9/10 - Mathematics

Q1: Factorise x⁴ + x² + 1

Answer: x⁴ + x² + 1

= (x⁴ + 2x² + 1) - x²

Using identity (A + B)² = A² + B² + 2AB

= (x² + 1)² - x²

Using identity A² - B² = (A + B)(A - B)

= (x² + 1 + x)(x² + 1 - x) [Answer]

CBSE Class 8 - Mathematics Annual Sample Question Paper(Set-3) (2018-19)

Getting good marks is very important for students of class 8. For this one must practice and attempt sample question papers within time limits.

Here follows a sample question paper on Mathematics subject to assess your knowledge about the subject.

For studying you may refer following books:

CBSE Class 8 - Mathematics Annual Sample Question Paper(Set-2) (2018-19)

Getting good marks is very important for students of class 8. For this one must practice and attempt sample question papers within time limits.

Here follows a sample question paper on Mathematics subject to assess your knowledge about the subject.

For studying you may refer following books:

CBSE Class 8 - Mathematics Annual Sample Question Paper(Set-1) (2018-19)

Getting good marks is very important for students of class 8. For this one must practice and attempt sample question papers within time limits.

Here follows a sample question paper on Mathematics subject to assess your knowledge about the subject.

For studying you may refer following books:

Tuesday 11 December 2018

CBSE Class 8 - Mathematics - Data Handling - Reading Graphs - Worksheet (#cbsenotes)(#eduvictors)

Worksheet

Directions (Q. 1-5): Following bar chart shows the ratio of expenditure to income of three companies A, B and C during the period 2007—2012.

Thursday 15 November 2018

CBSE Class 8 - Mathematics - Types of Quadrilaterals (Worksheet) (#cbsenotes)(#eduvictors)

(Worksheet)

Fill in the blanks.

1. A quadrilateral with all angles 90° is either a _______ or a _________.

2. In a parallelogram opposite angles are ______.

3. In a parallelogram adjacent angles are ______.

4. A quadrilateral with all sides equal is either a _______ or a ________.

5. A square is a rectangle in which ______________________________.