Number System lessons
ARITHMETIC > NUMBER SYSTEM
Unit, Number and Numeral. Number Systems and Their Rules
- What is Unit?
- What is Number?
- What is Numeral?
- What are the Numeral Systems?
- Convert Romans into Hindu Arabic
- Important rules for roman numbers
- List of Hindu arabic numerals
- List of Roman numerals
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ARITHMETIC > NUMBER SYSTEM
List of Types of Numbers Used in Maths with Examples
- Types of numbers
- 1. Natural
- 2. Whole
- 3. Integers
- 4. Rational numbers
- 5. Irrational numbers
- 6. Real
- 7. Imaginary
- 8. Complex
- More types of numbers
- What is additive inverse of a number?
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ARITHMETIC > NUMBER SYSTEM
Digit, Face, Place Values and Comparison of Numbers
- What is digit?
- What is face value in maths?
- "Value of place" of a digit
- "Place value" of a digit
- Place value of repeating digits
- Compare numbers using place values
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ARITHMETIC > NUMBER SYSTEM
Prime Numbers with Sieve of Eratosthenes Test
- What is Prime Number?
- Arrangement of prime numbers
- What is composite number?
- Arrangement of composite numbers
- How to find prime numbers?
- What are coprimes?
- What is twin prime?
- What are prime triplets?
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ARITHMETIC > NUMBER SYSTEM
Fractions, Types, Shaded Diagrams & Real Life Applications
- What is a fraction in maths?
- Understand fractions with diagram
- Real life example of fractions
- Which are the types of fractions?
- What is an equivalent fraction?
- Convert improper to mixed fraction
- Convert mixed to improper fraction
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ARITHMETIC > NUMBER SYSTEM
Methods to Compare Order Like, Unlike & Unit Fractions
- Introduction
- Comparing like fractions
- Comparing unlike fractions
- Comparing unit fractions
- What is cross multiplication method?
- Ordering of fractions
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ARITHMETIC > NUMBER SYSTEM
Add, Subtract, Multiply and Divide Fractions
- Introduction
- Addition of fractions
- Subtraction of fractions
- Multiplication of fractions
- Division of fractions
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ARITHMETIC > NUMBER SYSTEM
Highest Common Factor with Properties & Methods to Find HCF
- Introduction
- Factor of a number
- Common factors of numbers
- How to find HCF?
- Five properties of HCF
- What is perfect number?
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ARITHMETIC > NUMBER SYSTEM
Least Common Multiple with Properties & Methods to Find LCM
- Introduction
- Multiple of a number
- Common multiples of numbers
- What is LCM and methods to find it
- Four properties of LCM
- Relationship between LCM and HCF
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ARITHMETIC > NUMBER SYSTEM
Ratio, Proportion and the Unitary method
- Introduction
- Ratio and its example
- Proportion and its example
- What is Continued Proportion?
- Unitary method in ratios and proportions
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ARITHMETIC > NUMBER SYSTEM
About Rational Numbers with Number Line Representation
- Introduction
- What is rational number?
- Standard form
- Equivalent rational number
- Comparison of rational numbers
- Representation on number line
Worksheets
ARITHMETIC > NUMBER SYSTEM
Divisibility Rules of Numbers 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
- Divisibility rules
- Rule of 2
- Rule of 3
- Rule of 4
- Rule of 5
- Rule of 6
- Rule of 7
- Rule of 8
- Rule of 9
- Rule of 10
- Rule of 11
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ARITHMETIC > NUMBER SYSTEM
Read, Write Decimal Numbers. Converting Decimals to Fractions
- Which number system decimal numbers use?
- Parts of decimal number
- Place value chart
- How to read decimal numbers?
- Writing fractions into decimals
- Writing decimals into fractions
- Writing mixed fractions into decimals
- Expanding decimal numbers
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ARITHMETIC > NUMBER SYSTEM
Rounding off Decimal Numbers to the Nearest Places
- What is rounding off decimal numbers?
- Round off to the nearest whole number
- Round off to tenths place
- Rounding to hundredths place
Worksheets
ARITHMETIC > NUMBER SYSTEM
Estimations by Rounding to the Nearest 10, 100 and 1000
- What is an estimate in maths?
- Round off to the nearest 10
- Rounding to the nearest 100
- Rounding to the nearest 1000
- General rounding rule of 5
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