Author: Nancy Diana

Subtraction

Summary of subtraction Solved exercise of subtraction Summary Subtraction is an arithmetic operation that represents the operation of removing objects from a collection.The result of a subtraction is called a difference.Subtraction is signified by the minus sign (-) . Subtraction...

AIR

Summary of air Solved exercise of air Summary Air being a mixture of many gases is very essential for sustaining the life of animals and plants, air is not visible, but its presence can...

QUADRILATERALS

Summary of quadrilaterals Solved exercise of quadrilaterals Summary As the word ‘Quad’ means four, and lateral means sides.A quadrilateral is a plane figure that has four sides or edges, and also have four corners...

INTEGERS

summary of integers Solved exercise of integers Summary An integer is defined as the number that can be written without a fractional components ie,21, 4, 0, and −2048.A number which is not a fraction...

Getting to Know Plants

Summary of getting to know plants Solved exercise of getting to know plants We see different kinds of plants growing around us .They vary in there appearance some are short and some are tall...

Polygon

Summary of polygon Solved exercise polygon Summary POLYGONS:A simple closed curve made up of only line segments is called a polygon. polygon comes from Greek word poly means “”many gon means Ängle”. Polygons are...

FIBRE TO FABRIC

Summary of fibre to fabric Summary Clothing is very important to human beings. The importance of clothes are They protect from heat They protect from cold They make us look nice and decent. FIBRE...

SEPARATION OF SUBSTANCES

Summary of separation of substances Summary In our daily life, there are many instances when we notice a substance being separated from a mixture of materials. Example Tea leaves are separated from the liquid...