Class 8 Maths Olympiad Questions & Sample Papers

Many mathematical processes, including addition, subtraction, and multiplication, are inherently closed when they concern rational numbers.

Introduction to Square Numbers

A natural number m with the formula n/2 is a square number if n is also a natural number.

Cube

When you raise a number to power 3, it is called a cube. x3 = x * x * x when x is a number.

A number multiplied by a power of the number gives a number's multiplicative power. The form of the formula is ab. The variables a and b indicate how many times we will need to multiply a to arrive at our result. The base is A, and the exponent is B.

For example, Consider 9³. Here, 9³ indicates that we need to multiply the base number 9 by three to obtain the answer, which is 27.

Ratio

It is related to comparing two different quantities.

Algebraic expressions are made from variables and constants in conjunction with mathematical operators. These expressions don't have any facets or signals like algebraic equations. Example – 4x²+3x-6, 7x+1, etc.

Algebraic Expressions

The algebraic expression contains constants, variables, and operations, such as multiplication, division, and addition.

According to geometry, a quadrilateral is a covered, two-dimensional form that has 4 direct facets. In addition, the polygon has 4 vertices or corners.

Quadrilaterals commonly suggest authorized paperwork with 4 facets like rectangle, square, Trapezoid, kite, or choppy and uncharacterized.

It may be very smooth to assemble a quadrilateral while its 5 measurements are decided that is:

The department of arithmetic that offers geometric figures and their parameters like length, extent, shape, floor area, lateral floor area, and so on are called Mensuration.

It is all approximately the size of the aircraft's area, perimeter, extent, and stable figures.

Solids have a hard and fast form and occupy a space. A shape is made from polygonal regions referred to as its faces.

About Data Handling

Data handling refers to utilizing collected data to find meaningful results to be used in further work.

Inverse Proportions

If the cost of variable decreases or increases upon corresponding growth or lower within the cost of variable, then we will say that variables are in inverse proportion.

What are the Factors?

Factorization is converting an expression into the product of its factors. These factors may be algebraic expressions, variables, and numbers also.

Graphs are visible illustrations of information collected. Its reason is to expose numerical information in bodily shape to be understood quickly, effortlessly, and clearly.

What is the General Form of Numbers?

For PQ, if the general form is needed, it will look like this: