# Math Blog

### Geometry | 5th Grade Geometry | Geometrical Figures | Solid and Plane Shapes

Geometry is one of the oldest and main branches of mathematics. Measurement of the earth is the exact meaning of the word ‘Geometry’. The geometry began when men felt the need to measure their lands

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### Worksheet on Volume of a Cube and Cuboid | The Volume of a Rectangle Box

We will practice the questions given in the worksheet on volume of a cube and cuboid. We know the volume of an object is the amount of space occupied by the object.1. Fill in the blanks:

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### Cuboid | Volume of Cuboid Formula | How to Find the Volume of a Cuboid

Cuboid is a solid box whose every surface is a rectangle of same area or different areas. A cuboid will have a length, breadth and height. Hence we can conclude that volume is 3 dimensional

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### Units of Volume | Measurement of Area | Measurement of Volume | Unit Cube

Like the measurement of area, the measurement of volume, also requires a unit. In the case of area, the units are 1 sq cm, 1 sq m etc. Which are the areas of squares the sides of which

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### Cube | How to Calculate the Volume of a Cube? | Volume of a Cube

A cube is a solid box whose every surface is a square of same area. Take an empty box with open top in the shape of a cube whose each edge is 2 cm. Now fit cubes of edges 1 cm in it.

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### Volume | Units of Volume | Measurement of Volume | Cubic Units

Volume is the amount of space enclosed by an object or shape, how much 3-dimensional space (length, height, and width) it occupies. Plane figures like triangle, quadrilaterals and circles do not

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### Word Problems on Area of a Square | Area of Square Word Problems

In word problems on area of a square we will find the area whose side is given. For finding the area of a given square, we should make sure that the sides are in the same unit of length. If they

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### Word Problems on Area of a Rectangle | Rectangle Problems | Area of a Rectangle

In word problems on area of a rectangle we will find the area whose length and breadth are given. For finding the area of a given rectangle, we should make sure that the sides (length or breadth)

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### Area of a Square | Area of a Square = (Side × Side) Square Units | Examples

In area of a square we will learn how to find the area by counting squares. To find the area of a region of a closed plane figure, we draw the figure on a centimeter squared paper and then count

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### Worksheet on Area of Regular Figures | Area of a Square | Area of the Rectangle

We will practice the questions given in the worksheet on area of regular figures. We know the formula for finding the area of regular figures. Area of a square = side × side Area of the rectangle

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### Worksheet on Area of a Square and Rectangle | Area Of Squares & Rectangles

We will practice the questions given in the worksheet on area of a square and rectangle. We know the amount of surface that a plane figure covers is called its area. 1. Find the area of the square

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### Areas of Irregular Figures | Area of Irregular Shapes | Irregular Figures

Areas of irregular figures can be determined by dividing the figure into squares and rectangles. 1. Find the area of the given figure:

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### To find Length or Breadth when Area of a Rectangle is given | Solved Examples

Let’s discuss how to find length or breadth when area of a rectangle is given. When we need to find length of a rectangle we need to divide area by breadth. Length of a rectangle = Area ÷ breadth

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### To Find Area of a Rectangle when Length and Breadth are of Different Units

To find area of a rectangle when length and breadth are of different units we need to convert and write them in same units and then solve.

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### Area of a Rectangle | Area of Rectangle = Length × Breadth | Solved Examples

Area of a rectangle is discussed here. We know, that a rectangle has length and breadth. Therefore, Area of Rectangle = length × breadth = l × b sq. units

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### Area | Area is Two Dimensional | Conversion Table of Area | Units to find Area

The amount of surface that a plane figure covers is called its area. It’s unit is square centimeters or square meters etc. A rectangle, a square, a triangle and a circle are all examples

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### Worksheet on Conversion of Temperature | Temperature Worksheets

We will practice the questions given in the worksheet on conversion of temperature from one scale into another. We know the two different temperature scales are the Fahrenheit scale and the

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### Conversion of Temperature | Celsius to Fahrenheit | Fahrenheit to Celsius

In conversion of temperature from one scale into another the given temperature in °C we can convert it into °F and also the temperature in °F we can convert it into °C.

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### Bills |Use of Bill | Format of a Blank Bill | Billing of Different Items

We will learn about bills and billing of different items. Sometime we go to market to buy various items like potatoes, fruits, vegetables, clothes etc. in different quantity. The shopkeeper

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### Worksheet on Bills | Bills & Billing of Different Items |Cost of items Purchased

We will practice the questions given in the worksheet on bills and billing of different items. We know bill is a slip of paper on which a shopkeeper notes down the requirements of a buyer

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### Temperature | Fahrenheit Scale | Celsius Scale | Thermometer | Freezing Point

We will discuss here about the concept of temperature. We have already learned about various types of measurements like length, mass capacity and time. But if we have fever, non of these measurements

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### Worksheet on Calculating Distance and Time | Distance Time Word Problems

We will practice different types of questions given in the worksheet on calculating distance and time. We know, the formula to calculate distance is speed × time and the formula to calculate time is

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### Average | Finding the Average | What Does Average Mean? | Definition of Average

Average means a number which is between the largest and the smallest number. Average can be calculated only for similar quantities and not for dissimilar quantities.

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### To find Time when Distance and Speed are given | Time = Distance/Speed

We will discuss here how to find the time when speed and distance are given. When distance and speed are given the time taken is calculated by using the formula: Time = Distance/Speed

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### To find the Distance when Speed and Time are given | Distance = Speed × Time

We will discuss here how to find the distance when speed and time are given. When speed and time are given, the distance travelled is calculated by using the formula: Distance = Speed × Time

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### Relation of Speed Distance and Time | Speed, distance and Time Problems

We will discuss here about the relation of Speed Distance and Time. Speed is defined as the distance covered per unit time. Speed = (Distance Travelled)/(Time Taken) Or, S = D/T. Speed also requires

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### To find Speed when Distance and Time are given | How to Calculate Speed?

To find speed when distance and time are given in different units the following conversion are: 1 km = 1000 m Or 1 m = 1/1000 km 1 hour = 60 minutes

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### Simple Interest | Introduction to Simple Interest | Simple Interest Explanation

In simple interest we will learn and identify about the terms like Principal, Time, Rate, Amount, etc. PRINCIPAL (P): The money you deposit or put in the bank is called the PRINCIPAL.

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### Worksheet on Factors affecting Interest | Find the Simple Interest and Amount

We will practice the questions given in the worksheet on factors affecting interest. We know the formula for calculating simple interest (S.I.) is equal to $$\frac{P × R × T}{100}$$.

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### Factors Affecting Interest | Interest Depends on Three Factors |Rate of Interest

We will discuss here what are the different factors affecting interest. Interest depends on three factors, namely they are 1. Principal 2. Rate of Interest 3. Period of Time ‘P’ is the principal.

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### Division of a Decimal by a Whole Number | Rules of Dividing Decimals

We will learn how to find the quotient in division of a decimal by a whole number. The rules to divide a decimal by a whole number are: (i) Divide as in division of numbers

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### Rounding Large Numbers | Nearest Ten Thousand | Nearest Ten Million

We will discuss here about rounding large numbers. Rounding off to the nearest ten thousand (10,000): If the digit in the thousand’s place in a number is 0, 1, 2, 3 or 4 then round to

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### Properties of Multiplication of Decimal Numbers | Product of Decimal Fraction

We will discuss here all the properties of multiplication of decimal numbers. 1. The product of a decimal and a whole number multiplied in any order remains the same.

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### Speed Distance and Time | Relation of Speed Distance and Time | Average Speed

Speed is defined as the distance covered per unit time. Speed = (Distance Travelled)/(Time Taken) Or, S = D/T. Speed also requires a unit of measurement. If the distance is in kilometres

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### Multiplication of a Decimal by a Decimal | Multiplying Decimals Example

In multiplication of a decimal by a decimal number we will learn how to find the product of a decimal by another decimal. The rules to multiply a decimal by a decimal are: (i) Remove the decimals

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### Multiplication of a Decimal by 10, 100, 1000 | Multiplying decimals by 10, 100

The working rule of multiplication of a decimal by 10, 100, 1000, etc... are: 1. To multiply a decimal by 10, move the decimal point in the multiplicant by one place to the right.

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### Multiplication of Decimal Numbers |Multiplying Decimals|How to Multiply Decimals

In multiplication of decimal numbers we will learn how to find the product of a decimal and a whole number. The rules of multiplying decimals are: (i) Take the two numbers as whole numbers

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### Subtraction of Decimal Fractions | Rules of Subtracting Decimal Numbers

In subtraction of decimal fractions we will discuss here how to subtract one decimal from the other decimal. The rules of subtracting decimal numbers are: (i) Write the digits of the given numbers

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### Worksheet on Expressing Speed in Different Units | Worksheets on Speed‎

We will practice the questions given in the worksheet on expressing speed in different units. We know speed is equal to distance/time. 1. Find the speed in the following cases: (i) Distance = 90 km

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### Express Speed in Different Units | Speed Unit Converter | Speed Conversion

We will discuss how to express speed in different units. Speed in km/hour can also be expressed in meter per minute or metre per second. Now we will learn to express given speed in km per hour into

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### Worksheet on word Problems on Average | Average Word Problems

We will practice the questions given in the worksheet on word problems on average. We know to solve the problems on average we need to find the average of a group of numbers then

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### Word Problems on Average | Average Math Problems | How to Calculate Average

We will learn how to solve the word problems on average as we know we need to find average in many situations in our daily life.

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### Worksheet on Problems Involving Percentage | Percentage Word Problems

We will practice the questions given in the worksheet on problems involving percentage. 1. A man spends 66 2/3 % of his monthly salary. If he spends $300 every month, find his monthly salary? Continue reading "Worksheet on Problems Involving Percentage | Percentage Word Problems" ###### Apr 19, 2015 ### Problems Involving Percentage | Everyday Life Percentage Word Problems We will discuss here how to solve the problems involving percentage. Everyday life problems involving use of percentage: 1. In an examination of 75 marks, Richard got 60 % marks. Continue reading "Problems Involving Percentage | Everyday Life Percentage Word Problems" ###### Apr 19, 2015 ### Metric measures as Percentages | Cent as Percentage of a Dollar |Metric Measures We will discuss here how to calculate the metric measures as percentages. Now we will learn how to convert the cent as percentage of a dollar, centimetre as percentage of a meter Continue reading "Metric measures as Percentages | Cent as Percentage of a Dollar |Metric Measures" ###### Apr 17, 2015 ### Worksheet on Finding Profit or Loss | Find the Profit or Loss | Cost Price We will practice the questions given in the worksheet on finding profit or loss. 1. Find the profit or loss in each of the following cases: (i) Cost Price =$ 270, Selling Price = $300 Continue reading "Worksheet on Finding Profit or Loss | Find the Profit or Loss | Cost Price" ###### Apr 16, 2015 ### Worksheet on Calculating Selling Price and Cost Price | Worksheet Profit Loss We will practice the questions given in the worksheet on calculating selling price and cost price. 1. A cycle was bought for$ 1225 and sold at a gain of \$ 100. Find the Selling Price of the cycle.

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### Calculating Cost Price | Formulas to Calculate Cost Price | Cost Price

We will learn how to solve different types of problems on calculating cost price. Formulas to calculate cost price: (i) If Selling Price of an article and gain on its selling are given, the Cost Price

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### Calculating Selling Price | Formulas to Calculate Selling Price | Selling Price

We will learn how to solve different types of problems on calculating selling price. Formulas to calculate selling price: (i) If Cost Price of an article and gain on its selling are given

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