Numbers

5 Topics | 2 Quizzes

4 Topics | 4 Quizzes

Addition

Substraction

Multiplication

Division

Practice Questions – Addition and Substraction-Class IV

Concept Checkers-Multiplication and Division-Class IV

Practice Questions-Multiplication and Division-Class IV

Concept Checkers – Addition and Substraction-Class IV

Multiples and Factors

4 Topics | 2 Quizzes

Multiples

Factors

Prime and Composite Numbers

Test of Divisibility

Concept Checkers-Factors and Multiples-Class IV

Practice Questions-Factors and Multiples-Class IV

6 Topics | 2 Quizzes

HCF by Prime Factorization

LCM by Prime Factorization

LCM by Division Method

5 Topics | 2 Quizzes

Adding and Substracting

Concept Checkers-Fractions-Class IV

Practice Questions-Fractions-Class IV

Decimals

11 Topics | 2 Quizzes

What is Decimals?

Extending The Place Value Chart To Tenths

Extending The Place Value Chart Hundredths And Thousandths

Writing a Fraction as Decimals

Writing a Decimal Fraction as Common Fraction

Equivalent Decimals

Conversion of Unlike Decimal Numbers into Like Decimal Numbers

Addition Of Decimals

Subtraction Of Decimals

Multiplication of Decimal Numbers by 10,100,1000

Division of Decimal Numbers by 10,100,1000

Concept Checkers-Decimals-Class IV

Practice Questions-Decimals-Class IV

8 Topics | 2 Quizzes

Converting from Higher to Lower Units

Converting from Lower to Higher Units

Addition and Subtraction of Metric Measures

Substraction

Estimation

Concept Checkers-Measurement-Classs IV

Practice Questions-Measurement-Classs IV

Time

7 Topics | 2 Quizzes

What is Time and Facts About Clock

Conversion of Time – Hour and Minutes

Conversion Of Time – Minutes And Seconds

The 24 – Hour Clock

Addition and Subtraction Of Time

Time Intervals

Calendar

Practice Questions-Time-Class IV

Concept Checkers-Time-Class IV

Money, Profit And Loss

7 Topics | 4 Quizzes

Money

Conversion of Dollar and Cents

Addition and Subtraction of Money

Multiplication and Division of Money

Profit and Loss

Finding Selling Price

Finding Cost Price

Concept checkers-Money-Class IV

Practice Questions-Money-Class IV

3 Topics | 2 Quizzes

Concept Checkers-Geometry-Class IV

Practice Questions-Geometry-Classs IV

Symmetry and Pattern

1 Topic | 2 Quizzes

Symmetry and Pattern

Concept Checkers-Symmetry and Pattern-Class IV

Practice Questions-Symmetry and Pattern-Class IV

Perimeter and Area

2 Topics | 2 Quizzes

Perimeter

Area

Concept Checkers-Perimeter and Area-Class IV

Practice Questions-Perimeter and Area-Class IV

Data Handling

1 Topic | 2 Quizzes

Data representation

Concept Checkers-Data Handling-Class IV

Practice Questions-Data Handling-Class IV

Mock Test 1 – Class IV

Division of Decimal Numbers by 10,100,1000

Mathematics Class IV Decimals Division of Decimal Numbers by 10,100,1000

Lesson Progress

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If we divide a decimal number by $10$ , then the decimal point will be shifted one place to the left.

Example 1.

Divide $5.76$ by $10$ .

Solution.

$5.76\div 10=\dfrac{576}{100}\times \dfrac{1}{10}=\dfrac{576}{1000}=0.576$

Example 2.

Divide $127.37$ by $100$ .

Solution.

$127.37\div 100=\dfrac{12737}{100}\times \dfrac{1}{100}=\dfrac{12737}{10000}=1.2737$

Example 3.

Divide $92.85$ by $100$ .

Solution.

$92.85\div 100=\dfrac{9285}{100}\times \dfrac{1}{100}=\dfrac{9285}{10000}=0.9285$

Example 4.

Divide $9.05$ by $1000$ .

Solution.

$9.05\div 1000=\dfrac{905}{100}\times \dfrac{1}{1000}=\dfrac{905}{100000}=0.00905$

Example 5.

Divide $52$ by $1000$ .

Solution.

$52\div 1000=52\times \dfrac{1}{1000}=\dfrac{52}{1000}=0.052$

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