Math Blog
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Dec 04, 2022
Four Digit Numbers | What are Four Digit Numbers? | Numerals and Words
What are four digit numbers? We may divide 4-digit numbers in 9 groups. (i) 1000 to 1999 (one thousand to one thousand nine hundred ninety nine)
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Nov 30, 2022
Successor and Predecessor | Successor of a Whole Number | Predecessor
The number that comes just before a number is called the predecessor. So, the predecessor of a given number is 1 less than the given number. Successor of a given number is 1 more than the given number. For example, 9,99,99,999 is predecessor of 10,00,00,000 or we can also
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Nov 26, 2022
Comparison of Three-digit Numbers | Arrange 3-digit Numbers |Questions
What are the rules for the comparison of three-digit numbers? (i) The numbers having less than three digits are always smaller than the numbers having three digits as:
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Nov 26, 2022
Three Digit Numbers | What is Spike Abacus? | Abacus for Kids|3 Digits
Three digit numbers are from 100 to 999. We know that there are nine one-digit numbers, i.e., 1, 2, 3, 4, 5, 6, 7, 8 and 9. There are 90 two digit numbers i.e., from 10 to 99. One digit numbers are ma
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Nov 23, 2022
4th Grade Math Worksheets | 4th Grade Worksheets | 4th Grade Homework
4th grade math worksheets is carefully planned and thoughtfully presented on mathematics for the students. Teachers and parents can also follow the worksheets to guide the students.
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Nov 10, 2022
Pictographs | Pictorial Representation | Pictorial Symbols | Symbols
In pictographs we learnt to recognize different things in our surroundings and to express the given information through pictorial symbols of different objects.
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Nov 07, 2022
What is an Angle? | Right Angle | Acute Angle | Obtuse Angle | Angle
What is an angle? When two sides or line-segments are inclined and meet at a point, then this inclination is called an angle.
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Nov 05, 2022
Construction of an Angle using a Protractor | Drawing an Angle
We will learn how to construction of an angle using a protractor. Let us draw an angle whose measure is 60°. Use a ruler to draw YZ. Now, place the protractor over YZ such that the baseline of the protractor coincides with YZ and midpoint of the baseline coincides with point
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Nov 04, 2022
Area | Units to find Area | Conversion Table of Area | Two Dimensional
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 of closed plane figures. In the following figures, the shaded region of each of the
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Nov 03, 2022
Area and Perimeter |Units of Area| Formula of Area and Perimeter
Here we will learn about how to find area and perimeter of a plane figures. The perimeter is used to measure the boundaries and the area is used to measure the regions enclosed.
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Oct 30, 2022
Perimeter of a Square | How to Find the Perimeter of Square? |Examples
We will discuss here how to find the perimeter of a square. Perimeter of a square is the total length (distance) of the boundary of a square. We know that all the sides of a square are equal. Perimeter of a Square Perimeter of the square ABCD = AB+BC+CD+AD=2 cm+2cm+2cm+2cm
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Oct 30, 2022
Perimeter of a Rectangle | How to Find the Perimeter of a Rectangle?
We will discuss here how to find the perimeter of a rectangle. We know perimeter of a rectangle is the total length (distance) of the boundary of a rectangle. ABCD is a rectangle. We know that the opposite sides of a rectangle are equal. AB = CD = 5 cm and BC = AD = 3 cm
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Oct 30, 2022
Perimeter of a Triangle | Perimeter of a Triangle Formula | Examples
We will discuss here how to find the perimeter of a triangle. We know perimeter of a triangle is the total length (distance) of the boundary of a triangle. Perimeter of a triangle is the sum of lengths of its three sides. The perimeter of a triangle ABC Perimeter
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Oct 29, 2022
Perimeter of a Figure | Perimeter of a Simple Closed Figure | Examples
Perimeter of a figure is explained here. Perimeter is the total length of the boundary of a closed figure. The perimeter of a simple closed figure is the sum of the measures of line-segments which have surrounded the figure.
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Oct 28, 2022
Regular and Irregular Figures | Area of a Figure | Curved Lines
A figure bounded by line segments is a regular figure. Figures bounded by curved lines are called irregular figures. The space enclosed by the line segments is called the area of a figure.
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Oct 28, 2022
Constructing a Line Segment |Construction of Line Segment|Constructing
We will discuss here about constructing a line segment. We know how to draw a line segment of a certain length. Suppose we want to draw a line segment of 4.5 cm length.
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Oct 28, 2022
Measuring the Line Segment | Comparing Line Segments
We will discuss here about measuring the line segment i.e. how to draw and measure a line segment using scale or ruler. We can measure a line segment by two ways. (i) With the help of scale
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Oct 26, 2022
Using a Ruler | Measure a Length | Length of an Object|Find the Length
We will learn measure a length using a ruler. The ruler given below has 15 cm marked on it. The length of the ruler is 15 cm. To measure a length of a pencil, place at the ‘0’ of the ruler at the one end of the pencil and note the position of the other end.
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Oct 23, 2022
Geometry | 5th Grade Geometry | Geometrical Figures | Solid and Plane
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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Oct 18, 2022
Adding and Subtracting Time | Operation on Measure of Time | US Time
We will learn how to addition and subtraction of units of time. 1. Add 25 minutes 45 seconds and 15 minutes 25 seconds. Solution: First add the seconds 45 + 25 = 70 seconds Convert 70 seconds into minutes and seconds 70 seconds = 60 seconds + 10 seconds Carry 1 minute to
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Oct 14, 2022
Profit and Loss | Profit and Loss Formulas | Profit and Loss Problems
Profit and loss are discussed here. Ron is a shopkeeper. He buys his goods either from the factory directly or from the whole seller. He then tries to sell each of goods or item at a higher
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Oct 14, 2022
Formulas of Profit and Loss | Profit and Loss Important Formulas
Formulas of profit and loss are given below. When the Selling Price (SP) is greater than Cost Price (CP) the man makes a Profit or Gain. Selling Price (SP) > Cost Price (CP) → Profit or Gain
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Oct 09, 2022
Addition of Hours, Minutes and Seconds | Addition of Time | Time Calcu
We will discuss here about the addition of hours, minutes and seconds. Let us consider some of the examples on adding time.
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Oct 08, 2022
Worksheet on Conversion of Time | Convert into Hours and Minutes
We know that hour, minute and second are the units, we use to measure the time. Now we will practice the questions given in the worksheet on conversion of time.
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Oct 08, 2022
24 Hour Clock | Air and Railway Travel Timetables | General Time
We normally use 12-hour clock system. The hour hand of the clock goes round the dial twice a day (24 hours). Some departments like railways, Airlines, etc use 24-hour clock system because they do
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Oct 08, 2022
Units of Time Conversion Chart | Conversion Chart | Us Method | Time
Units of time conversion chart are discussed here in hour, minute, second, day, week, month, and year. We know that there are 12 months in a year. The months of January, March, May, July, August, October and December have 31 days. The months of April, June, September and
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Oct 07, 2022
Conversion of Minutes into Hours | Convert Minutes to Hours | Time
We will discuss here about the conversion of minutes into hours. We know 60 minutes is equal to 1 hour, which is required to convert the measuring time from minutes to hours.
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Oct 07, 2022
Conversion of Seconds into Minutes | Seconds to Minutes Conversion
We will discuss here about the conversion of seconds into minutes. We know 1 second is equal to 1/60 minute, which is required to convert the measuring time from seconds to minutes.
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Oct 06, 2022
Conversion of Hours into Minutes | Hours to Minutes Conversion | Time
We will discuss here about the conversion of hours into minutes. We know 1 hour is equal to 60 minutes which is required to convert the measuring time from hours to minutes.
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Oct 06, 2022
Units of Time | Second | Minute | Hour | Day | Week | Month | Year
There are different units of time. Second, minute, hour, day, week, month and year are the units of time. These have the following relations between each: 60 seconds = 1 minute
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Oct 06, 2022
Calendar | Calculating Days | Days in March | Days in April| Leap Year
Calendar helps us to see the dates and along with that the week day of that same dates. Calculating the number of days between two given dates. Riana stayed at her grandmother's house from
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Sep 28, 2022
Conversion of Minutes into Seconds | Converting Minutes to Seconds
We will discuss here about the conversion of minutes into seconds. We know 1 minute is equal to 60 seconds, which is required to convert the measuring time from minutes to seconds.
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Sep 22, 2022
Multiplication and Division of Units of Measurement | Metric System
We will learn how to multiply and divide of units of measurement. We carry out multiplication and division of measurements as we do for decimal numbers: 1. Multiply 12 km 56 m by 7. Solution: 12 km 56 m = 12.056 m Hence, 12.056 × 7 = 84.392 km 2. Multiply 44 dam 28 cm by 12
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Sep 19, 2022
Worksheet on Word Problems on Measurement | 5th Grade Word Problem
Practice the questions given in the worksheet on word problems on measurement. 1. Rachel has a rope of length 40 m. She gave 12 m 53 cm to Sam, 18 m 35 cm to Ron and 9 m 7 cm to Jack. What length of rope is still left with Rachel?
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Sep 15, 2022
Addition and Subtraction of Units of Measurement | Metric Units
We can add the units of measurement like decimal numbers. 1. Add 5 m 9 dm and 11 m and 5 dm Solution: 5 m 9 dm = 5.9 m 11 m 5 dm = 11.5 m Hence, 5 m 9 dm + 11 m 5 dm = 17 m 4 dm or 17.4 m 2. Add 15 cm 5 mm and 21 cm 9 mm
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Sep 12, 2022
Metric Measures | Metric System of Measurement | The Metric System
We will discuss here about the metric measures of length, mass and capacity. As we know, the standard units of length, weight and capacity are metre (m), gram (g) and litre (l)
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Sep 12, 2022
Smaller Units to Bigger Units | Convert Smaller Metric Unit to Larger
To convert a smaller unit into a bigger unit, we move the decimal point to the left. In other words, we can say that we divide. This is very important for us to learn how to convert smaller
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Sep 12, 2022
Bigger Units to Smaller Units | Convert Larger Unit into Smaller Unit
To convert a bigger unit a smaller unit, we move the decimal point of the right. In other words, we can say that we multiply. This is very important for us to learn how to convert bigger
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Sep 07, 2022
Concept of Decimal | Decimal Point | Concept of Decimal System
We have already studied about fractions and now we will discuss here about the concept of decimal. Fractions can also be expressed as decimal Fractions.
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Sep 07, 2022
Uses of Decimals | Decimals In Daily Life | Importance Of Decimals
We will learn uses decimals in every day. In daily life we use decimals while dealing with length, weight, money etc. Use of Decimals whole Dealing with Money: 100 paise = 1 rupee We know that one paise in one hundredth of a rupee.
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Sep 07, 2022
Addition of Decimals | How to Add Decimals? | Adding Decimals|Addition
We will discuss here about the addition of decimals. Decimals are added in the same way as we add ordinary numbers. We arrange the digits in columns and then add as required. Let us consider some
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Sep 07, 2022
Subtraction of Decimals | Subtracting Decimals | Decimal Subtraction
We will discuss here about the subtraction of decimals. Decimals are subtracted in the same way as we subtract ordinary numbers. We arrange the digits in columns
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Sep 05, 2022
Equivalent Decimal Fractions | Like Decimal Fraction | Unlike Decimal
Equivalent decimal fractions are unlike fractions which are equal in value. Numbers obtained by inserting zeros after the extreme right digit in the decimal part of a decimal number are known as equivalent decimals.
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Sep 03, 2022
Fraction as Decimal | Converting Fractions | Fractions to Decimals Con
We will discuss how to express fraction as decimal. Let us consider some of the following examples on expressing a fraction as a decimal. 1. Convert \(\frac{4}{5}\) into a decimal.
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Sep 03, 2022
Decimal as Fraction | Convert From a Decimal to a Fraction |Converting
We will discuss how to express decimal as fraction. Let us consider some of the following examples on expressing a decimal as a fraction. 1. Convert 2.12 into a fraction. Solution: 2.12
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Aug 30, 2022
Worksheet on Word Problems on Multiplication of Mixed Fractions | Frac
Practice the questions given in the worksheet on word problems on multiplication of mixed fractions. We know to solve the problems on multiplying mixed fractions first we need to convert them
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Aug 30, 2022
Word Problems on Division of Mixed Fractions | Dividing Fractions
We will discuss here how to solve the word problems on division of mixed fractions or division of mixed numbers. Let us consider some of the examples. 1. The product of two numbers is 18.
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Aug 30, 2022
Word Problems on Multiplication of Mixed Fractions | Multiplying Fract
We will discuss here how to solve the word problems on multiplication of mixed fractions or multiplication of mixed numbers. Let us consider some of the examples. 1. Aaron had 324 toys. He gave 1/3
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Aug 30, 2022
Dividing Fractions | How to Divide Fractions? | Divide Two Fractions
We will discuss here about dividing fractions by a whole number, by a fractional number or by another mixed fractional number. First let us recall how to find reciprocal of a fraction
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