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IOTA Math for Grade 4
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IOTA Math Consumer Presentation***
IOTA Math Curriculum for Grade 4***
Take a Online Diagnostic Test ***
Innovative Teaching - Some Examples***
Clarify your Doubt
Live Math Lab
Understanding Indian and International System
More Videos
International Number System
More Problems on International System
Relationship between International and National System
Comparison of Numbers
Large Numbers PPT
Rounding Numbers
Rounding Numbers - More Problems
Formation of Numbers
Our Numerals as Roman Numerals
Roman Numerals as Our Numerals
Roman Numerals till 1000
Roman Numerals - Rules
Roman Numerals - More Practice
Large Numbers Type 1
Large Numbers Type 2
Large Numbers Type 3
Large Numbers Type 4
Large Numbers Type 5
Large Numbers Type 6
Place Value Type 1
Place Value Type 2
Place Value Type 3
Place Value Type 4
Place Value Type 5
Place Value Type 6
Place Value Type 7
Place Value Type 8
Add 9 using one less rule***
Adding 9 using one less rule -2
Add 8 using two less rule
Add 8 using two less rule - 2
Add 7 using three less rule
Add 7 using three less rule -2
Add 6 using four less rule final
Add 6 using four less rule - 2
Add 5 using faster rules
Add 4 3 2 1 using faster rules
Addition of large numbers
More Classroom Problems on Addition
Addition Quiz
Addition of Large Numbers PPT
Understanding Dot Method of Combinations -1
Understanding Dot Method of Combinations -2
Understanding Dot Method of Combinations -3
Bar Modelling and Addition
Word Problems and Addition of Large Numbers
More Quiz on Word Problems Addition
More Word Problems Practice-1
More Word Problems Practice -2
Addition Type 1
Addition Type 2
Addition Type 3
Addition Type 4
Addition Type 5
Addition Type 6
Addition Type 7
Addition Type 8
Addition Type 9
Addition Type 10
Addition type 11
Addition Type 12
Addition Type 13
Addition Type 14
Subtraction through complements
Subtract 9 using Simple Addition
Subtract 8 using Simple Addition
Subtract 7 using Simple Addition
Subtracting 6 using Simple Addition
Subtract 5 4 3 2 1 using Simple Addition
Subtract 10 20 30 from Single Digits***
Subtraction with complements ( 2 digit - 1 digit )
Subtraction with complements ( 2 digit - 2 digit )
Use Complement for 3 digit - 3 digit ( Single regrouping )
Use Complement for 3 digit - 3 digit ( Multiple regrouping)
Use Complement Method for 3 digit - 3 digit ( with zeroes )
Super Fast Subtraction with regrouping for 4 digits
Subtract 5 digit with multiple zeroes
Subtraction with large number quiz
Subtraction Complex Zero Sums
Subtraction with zeroes - More Problems
Subtraction with zeroes-2
Subtraction Word Problems
Subtraction Word Problems Quiz
Addition and Subtraction Mixed Problems
Multi Step Word Problems
Challenging Word Problems quiz
Subtraction Type 1
Subtraction Type 2
Subtraction Type 3
Subtraction Type 4
Subtraction Type 5
Subtraction Type 6
Subtraction Type 7
Subtraction Type 8
Subtraction Type 9
Subtraction Type 10
Lattice Multiplication 2 x 1
Lattice Multiplication 3 x 1
Lattice Multiplication 4 x 1
Lattice Multiplication 2 x 2
Lattice Multiplication 3 x 2
Lattice Multiplication 3 x 3
Lattice Multiplication 4 x 3
Lattice Multiplication 4 x 4/5x5
Multiply by 10 100 1000
Multiply 2 x 1 and 3 x 1
Multiply 2 x 1 videos
Multiply 2 x 1 with carry
Multiply 3 x 1 4 x 1
Multiply with carry
Multiply 4 x 1
Word Problems
Multiply 2 x 2 without carry
Multiply 2 x 2 with carry
Multiply 2 x 2 - More Problems
Multiply 3 x 2
Multiply 3 x 2 - More Videos
Multiply 3 x 3
Pal's Pairing Multiplication 2 x 1
Pal's Pairing Multiplication 3 x 1
Pal's Pairing Multiplication 4 x 1
Pal's Pairing Multiplication 2 x 2
Pal's Pairing Multiplication 3 x 2
Cross Multiplication 2 x 2
Cross Multiplication 2 x 2 -2
Cross Multiplication 2 x 2 - 3
Cross Multiplication 3 x 3
Multiplication Type 1
Multiplication Type 2
Multiplication Type 3
Multiplication Type 4
Multiplication Type 5
Multiplication Type 6
Multiplication Type 7
Multiplication Type 8
Multiplication Type 9
Multiplication Type 10
Multiplication Type 11
Multiplication Type 12
Multiplication Type 13
Multiplication Type 14
Multiplication Type 15
Multiplication Type 16
Multiplication Type 17
Multiplication Type 18
Multiplication Type 19
Multiplication type 20
Multiplication Type 21
Multiplication Type 22
Understanding Remainders by Division Facts
Understanding Division Algorithms
Long Division - More Examples
Long Division- More Examples
Super Fast Division by Single Digit -1
Super Fast Division by Single Digit -2
Super Fast Division by Single Digit -3
Division 3/1 - 1
Division 3/1 - 2
Division 4/1-1
Division by 10 100 1000
Super Fast Division by 3/1
Super Fast Division by 4/1
Division of 2 and 3 digit numbers by 2 digits
Division of 3 digits by 2 digits
Division of 4 digits by 2 digits
Division of 4 and 5 digits by 2 digits
Division of 3 4 5 digits by 3 digits
Division of 5 6 7 digits by 3 digits
Super Fast Division by 2 digits
Super Fast Division by 2 digits -2
Super Fast Division by 2 digits - 3
Division Type 1
Division Type 2
Division Type 3
Division Type 4
Division Type 5
Division Type 6
Division Type 7
Division Type 8
Division Type 9
Division Type 10
Division Type 11
Division Type 12
Division Type 13
Division Type 14
Division Type 15
Division Type 16
Division Type 17
Division Type 18
Division Type 19
Division Type 20
Understand what is a Multiple? ***
Understanding Multiples problems
Understand Common Multiples
Find the missing multiples quiz
Understand LCM using Hundreds Boards***
Use Division to find Multiples
Multiple or not using division quiz
What is a Factor?
Understand Factors using Visualization
Factors using Visualization - Model 2
Understanding Multiples problem
Use Division to find Factors
Factors using Factor Strips
Finding Factors using Hundreds Number Board
Factors using Regular Method
Finding Factors- More videos
Multiples and Factors Type 1
Multiples and Factors Type 2
Multiples and Factors Type 3
Multiples and Factors Type 4
Multiples and Factors Type 5
Multiples and Factors Type 6
Multiples and Factors Type 7
Multiples and Factors Type 8
Multiples and Factors Type 9
Multiples and Factors Type 10
Multiples and Factors Type 11
Divisibility by 2
Divisibility by 10
Divisibility by 5
Divisibility by 3
Divisibility by 9***
Divisibility by 4
Divisibility by 8
Divisibility by 6
Divisibility by 11
Divisibility by 12
Divisibility by 15***
Divisibility by 7
What is Prime Number?
Modelling Prime Numbers using Hundreds Board***
Use Divisibility Tests to find prime or not
Multiples and Factors Type 12
Multiples and Factors Type 13
Multiples and Factors Type 14
Multiples and Factors Type 15
Multiples and Factors Type 16
Multiples and Factors Type 17
Understanding Exponents
Prime Factorisation using Factor Trees
Visualize Factor Trees using Online Tool***
Finding Factors using Factor Trees
Finding Factors using Factor Trees- More
Finding Factors using Ladder Method
Divisibility and Factorisation
HCF using Visualization
Understanding HCF
HCF by finding common factors
HCF by Prime Factorisation
HCF by Prime Factorisation - Exponent Method***
HCF for three Numbers Online Tool
HCF by Ladder Method
HCF of three numbers using Ladder Method
HCF by Euclid's Method
HCF word Problems
Understand Lowest Common Multiple
Use Hundreds Board to understand LCM
Visualize Lowest Common Multiple***
LCM using common multiples
LCM by inspection
LCM using Prime Factorisation Method
LCM using Exponents***
LCM of three numbers using exponents
LCM by division method for two digits
LCM by division method for three numbers
LCM Word Problems
Relationship between HCF and LCM
Understand Half and Quarters
Practice Half and Quarters using Real Life Objects
Understand Half
Practice Half-Fraction Groups
Understand One Third***
Understand Quarters
Practice Halves and Quarters***
Understand Quarters and Eighths
Practice Unit Fractions -1
Practice Unit Fractions - 2
Practice Unit Fraction -3
Modelling Fractions
Practice Dividing groups into Fractions
Identify Fractions
Practice Representing Fractions
Practice Identifying Fractions
Explore Relationships with Fraction Tiles
Fractions and Bar Modelling***
Understand using Fraction Circles
Practice Identifying Fractions***
Fraction as Division
Identify Fractions which have equal and unequal fractions
Equal and Unequal parts
Equal and Unequal Parts -2
Fractions on a Number Line
Practice Fractions on Number Line***
Understanding Fractions on Number Line
Practice Fractions on Numberlines-More difficult
Fraction Bar Model and Problem Solving-1***
Fraction Bar Model and Problem Solving-2
Equivalent Fractions using Fraction Tiles
Finding Equivalent Fractions using Fractions Tiles
Practice which fractions are equivalent***
Equivalent Fractions using Pie Model
Practice Equivalent Fractions
Equivalent Fractions by Expanding***
Equivalent Fractions by Expanding -2
Equivalent Fractions Matching
Equivalent Fractions by Rectangular Models
Simplification of Fractions using Fraction Tiles
Simplification of Fractions using Bar Models
Visualize Simplification of Fractions ***
Visualize Simplification of Fractions using Pie Models
Equivalent Fractions by Multiplication Visualization
Equivalent Fractions by Multiplication
Equivalent Fractions by Division
Practice Equivalent Fractions by Multiplication and Division
Unit Fractions Comparison using Fraction Tiles
Unit Fractions Comparison using online tool
Practice Comparison of two unit Fractions ***
Practice Comparison of three unit fractions
Practice comparison without figures
Comparison using Bar Models
Comparison using Bar Models-2
Compare using Bar Models Online Activity
Compare Fractions using Pie Models
Compare Like Fractions using Number Lines Activity
Compare Like Fractions
Compare Fractions of Same Numerators***
Comparison of Same Numerator Fractions
Practice Comparison of Fractions
Fraction Type 1
Fraction Type 2
Fraction Type 3
Fraction Type 4
Fraction Type 5
Fraction Type 6
Fraction Type 7
Fraction Type 8
Fraction Type 9
Fraction Type 10
Fraction Type 11
Fraction Type 12
Fraction Type 13
Fraction Type 14
Fraction Type 15
Fraction Type 16
Fraction Type 17
Decimal Type 1
Decimal Type 2
Decimal Type 3
Decimal Type 4
Decimal Type 5
Decimal Type 6
Decimal Type 7
Decimal Type 8
Decimal Type 9
Decimal Type 10
Decimal Type 11
Decimal Type 12
Decimal Type 13
Decimal Type 14
Decimal Type 15
Decimal Type 16
Decimal Type 17
Decimal Type 18
Decimal Type 19
Decimal Type 20
Decimal Type 21
Decimal Type 22
Decimal Type 23
Parent Corner
IOTA Math Consumer Presentation***
Preview
IOTA Math Curriculum for Grade 4***
Preview
Take a Online Diagnostic Test ***
Preview
Innovative Teaching - Some Examples***
Preview
Clarify your Doubt
Premium Live Math Lab
Live Math Lab
Module 1A- Numeral System
Understanding Indian and International System
More Videos
International Number System
More Problems on International System
Relationship between International and National System
Comparison of Numbers
Large Numbers PPT
Preview
Rounding Numbers
Rounding Numbers - More Problems
Formation of Numbers
Module 1B-Roman Numbers
Our Numerals as Roman Numerals
Roman Numerals as Our Numerals
Roman Numerals till 1000
Preview
Roman Numerals - Rules
Roman Numerals - More Practice
Large Number Practice
Large Numbers Type 1
Preview
Large Numbers Type 2
Preview
Large Numbers Type 3
Preview
Large Numbers Type 4
Large Numbers Type 5
Large Numbers Type 6
Place Value Practice
Place Value Type 1
Preview
Place Value Type 2
Preview
Place Value Type 3
Preview
Place Value Type 4
Place Value Type 5
Place Value Type 6
Place Value Type 7
Place Value Type 8
Module 2A- Addition of Large Numbers
Add 9 using one less rule***
Preview
Adding 9 using one less rule -2
Add 8 using two less rule
Add 8 using two less rule - 2
Add 7 using three less rule
Add 7 using three less rule -2
Add 6 using four less rule final
Add 6 using four less rule - 2
Add 5 using faster rules
Add 4 3 2 1 using faster rules
Module 2B-Super Fast Addition
Addition of large numbers
More Classroom Problems on Addition
Addition Quiz
Addition of Large Numbers PPT
Preview
Understanding Dot Method of Combinations -1
Understanding Dot Method of Combinations -2
Understanding Dot Method of Combinations -3
Module 2C- Addition Word Problems
Bar Modelling and Addition
Preview
Word Problems and Addition of Large Numbers
More Quiz on Word Problems Addition
Preview
More Word Problems Practice-1
More Word Problems Practice -2
Addition Practice
Addition Type 1
Preview
Addition Type 2
Preview
Addition Type 3
Preview
Addition Type 4
Addition Type 5
Addition Type 6
Addition Type 7
Addition Type 8
Addition Type 9
Addition Type 10
Addition type 11
Addition Type 12
Addition Type 13
Addition Type 14
Module 3A- Subtraction of Large Numbers
Subtraction through complements
Preview
Subtract 9 using Simple Addition
Preview
Subtract 8 using Simple Addition
Subtract 7 using Simple Addition
Subtracting 6 using Simple Addition
Subtract 5 4 3 2 1 using Simple Addition
Subtract 10 20 30 from Single Digits***
Preview
Subtraction with complements ( 2 digit - 1 digit )
Subtraction with complements ( 2 digit - 2 digit )
Use Complement for 3 digit - 3 digit ( Single regrouping )
Use Complement for 3 digit - 3 digit ( Multiple regrouping)
Use Complement Method for 3 digit - 3 digit ( with zeroes )
Module 3B- Super Fast Subtraction of Large Numbers
Super Fast Subtraction with regrouping for 4 digits
Subtract 5 digit with multiple zeroes
Subtraction with large number quiz
Subtraction Complex Zero Sums
Subtraction with zeroes - More Problems
Subtraction with zeroes-2
Module 3C- Subtraction Word Problems
Subtraction Word Problems
Subtraction Word Problems Quiz
Preview
Addition and Subtraction Mixed Problems
Multi Step Word Problems
Challenging Word Problems quiz
Subtraction Practice
Subtraction Type 1
Preview
Subtraction Type 2
Preview
Subtraction Type 3
Preview
Subtraction Type 4
Subtraction Type 5
Subtraction Type 6
Subtraction Type 7
Subtraction Type 8
Subtraction Type 9
Subtraction Type 10
Module 4A-Lattice Multiplication
Lattice Multiplication 2 x 1
Preview
Lattice Multiplication 3 x 1
Lattice Multiplication 4 x 1
Lattice Multiplication 2 x 2
Preview
Lattice Multiplication 3 x 2
Lattice Multiplication 3 x 3
Lattice Multiplication 4 x 3
Lattice Multiplication 4 x 4/5x5
Module 4B- Long Multiplication till 3x3
Multiply by 10 100 1000
Multiply 2 x 1 and 3 x 1
Multiply 2 x 1 videos
Multiply 2 x 1 with carry
Multiply 3 x 1 4 x 1
Multiply with carry
Multiply 4 x 1
Word Problems
Multiply 2 x 2 without carry
Multiply 2 x 2 with carry
Multiply 2 x 2 - More Problems
Multiply 3 x 2
Multiply 3 x 2 - More Videos
Multiply 3 x 3
Module 4C-Super Fast Multiplication
Pal's Pairing Multiplication 2 x 1
Preview
Pal's Pairing Multiplication 3 x 1
Pal's Pairing Multiplication 4 x 1
Pal's Pairing Multiplication 2 x 2
Pal's Pairing Multiplication 3 x 2
Cross Multiplication 2 x 2
Cross Multiplication 2 x 2 -2
Cross Multiplication 2 x 2 - 3
Cross Multiplication 3 x 3
Multiplication Practice
Multiplication Type 1
Preview
Multiplication Type 2
Preview
Multiplication Type 3
Preview
Multiplication Type 4
Preview
Multiplication Type 5
Multiplication Type 6
Multiplication Type 7
Multiplication Type 8
Multiplication Type 9
Multiplication Type 10
Multiplication Type 11
Multiplication Type 12
Multiplication Type 13
Multiplication Type 14
Multiplication Type 15
Multiplication Type 16
Multiplication Type 17
Multiplication Type 18
Multiplication Type 19
Multiplication type 20
Multiplication Type 21
Multiplication Type 22
Module 5A - Long Division by Single Digits
Understanding Remainders by Division Facts
Understanding Division Algorithms
Long Division - More Examples
Long Division- More Examples
Super Fast Division by Single Digit -1
Preview
Super Fast Division by Single Digit -2
Super Fast Division by Single Digit -3
Division 3/1 - 1
Division 3/1 - 2
Division 4/1-1
Division by 10 100 1000
Super Fast Division by 3/1
Super Fast Division by 4/1
Module 5B- Long Division by 2 3 4 digits
Division of 2 and 3 digit numbers by 2 digits
Division of 3 digits by 2 digits
Division of 4 digits by 2 digits
Division of 4 and 5 digits by 2 digits
Division of 3 4 5 digits by 3 digits
Division of 5 6 7 digits by 3 digits
Module 5C-Super Fast Division
Super Fast Division by 2 digits
Super Fast Division by 2 digits -2
Super Fast Division by 2 digits - 3
Division Practice
Division Type 1
Preview
Division Type 2
Preview
Division Type 3
Preview
Division Type 4
Division Type 5
Division Type 6
Division Type 7
Division Type 8
Division Type 9
Division Type 10
Division Type 11
Division Type 12
Division Type 13
Division Type 14
Division Type 15
Division Type 16
Division Type 17
Division Type 18
Division Type 19
Division Type 20
Module 6A-Factors and Multiples
Understand what is a Multiple? ***
Preview
Understanding Multiples problems
Understand Common Multiples
Find the missing multiples quiz
Understand LCM using Hundreds Boards***
Preview
Use Division to find Multiples
Multiple or not using division quiz
What is a Factor?
Understand Factors using Visualization
Factors using Visualization - Model 2
Understanding Multiples problem
Use Division to find Factors
Factors using Factor Strips
Finding Factors using Hundreds Number Board
Factors using Regular Method
Finding Factors- More videos
Factors and Multiples Practice
Multiples and Factors Type 1
Preview
Multiples and Factors Type 2
Preview
Multiples and Factors Type 3
Preview
Multiples and Factors Type 4
Multiples and Factors Type 5
Multiples and Factors Type 6
Multiples and Factors Type 7
Multiples and Factors Type 8
Multiples and Factors Type 9
Multiples and Factors Type 10
Multiples and Factors Type 11
Module 6B-Divisibility Tests
Divisibility by 2
Divisibility by 10
Divisibility by 5
Divisibility by 3
Divisibility by 9***
Preview
Divisibility by 4
Divisibility by 8
Divisibility by 6
Divisibility by 11
Divisibility by 12
Divisibility by 15***
Preview
Divisibility by 7
What is Prime Number?
Modelling Prime Numbers using Hundreds Board***
Preview
Use Divisibility Tests to find prime or not
Divisibility Practice
Multiples and Factors Type 12
Preview
Multiples and Factors Type 13
Preview
Multiples and Factors Type 14
Multiples and Factors Type 15
Multiples and Factors Type 16
Multiples and Factors Type 17
Module 6C-Prime Factorisation
Understanding Exponents
Prime Factorisation using Factor Trees
Visualize Factor Trees using Online Tool***
Preview
Finding Factors using Factor Trees
Finding Factors using Factor Trees- More
Finding Factors using Ladder Method
Divisibility and Factorisation
Module 6D- HCF
HCF using Visualization
Preview
Understanding HCF
HCF by finding common factors
HCF by Prime Factorisation
HCF by Prime Factorisation - Exponent Method***
Preview
HCF for three Numbers Online Tool
HCF by Ladder Method
HCF of three numbers using Ladder Method
HCF by Euclid's Method
HCF word Problems
Module 6E-LCM
Understand Lowest Common Multiple
Use Hundreds Board to understand LCM
Visualize Lowest Common Multiple***
Preview
LCM using common multiples
LCM by inspection
LCM using Prime Factorisation Method
LCM using Exponents***
Preview
LCM of three numbers using exponents
LCM by division method for two digits
LCM by division method for three numbers
LCM Word Problems
Relationship between HCF and LCM
Module 7A- Fraction Basics
Understand Half and Quarters
Practice Half and Quarters using Real Life Objects
Understand Half
Practice Half-Fraction Groups
Understand One Third***
Preview
Understand Quarters
Practice Halves and Quarters***
Preview
Understand Quarters and Eighths
Practice Unit Fractions -1
Practice Unit Fractions - 2
Practice Unit Fraction -3
Module 7B- Fraction Basics
Modelling Fractions
Practice Dividing groups into Fractions
Identify Fractions
Practice Representing Fractions
Practice Identifying Fractions
Explore Relationships with Fraction Tiles
Fractions and Bar Modelling***
Preview
Understand using Fraction Circles
Practice Identifying Fractions***
Preview
Fraction as Division
Identify Fractions which have equal and unequal fractions
Equal and Unequal parts
Equal and Unequal Parts -2
Fractions on a Number Line
Practice Fractions on Number Line***
Preview
Understanding Fractions on Number Line
Practice Fractions on Numberlines-More difficult
Fraction Bar Model and Problem Solving-1***
Preview
Fraction Bar Model and Problem Solving-2
Module 7C-Equivalent Fractions
Equivalent Fractions using Fraction Tiles
Preview
Finding Equivalent Fractions using Fractions Tiles
Practice which fractions are equivalent***
Preview
Equivalent Fractions using Pie Model
Practice Equivalent Fractions
Equivalent Fractions by Expanding***
Preview
Equivalent Fractions by Expanding -2
Equivalent Fractions Matching
Equivalent Fractions by Rectangular Models
Module 7D-Simplification of Fractions
Simplification of Fractions using Fraction Tiles
Simplification of Fractions using Bar Models
Visualize Simplification of Fractions ***
Preview
Visualize Simplification of Fractions using Pie Models
Equivalent Fractions by Multiplication Visualization
Equivalent Fractions by Multiplication
Equivalent Fractions by Division
Practice Equivalent Fractions by Multiplication and Division
Module 7E- Comparison of Like and Unit Fractions
Unit Fractions Comparison using Fraction Tiles
Preview
Unit Fractions Comparison using online tool
Practice Comparison of two unit Fractions ***
Preview
Practice Comparison of three unit fractions
Practice comparison without figures
Comparison using Bar Models
Comparison using Bar Models-2
Compare using Bar Models Online Activity
Compare Fractions using Pie Models
Compare Like Fractions using Number Lines Activity
Compare Like Fractions
Compare Fractions of Same Numerators***
Preview
Comparison of Same Numerator Fractions
Practice Comparison of Fractions
Addition and Subtraction of Fractions
Fraction Type 1
Fraction Type 2
Fraction Type 3
Fraction Type 4
Fraction Type 5
Fraction Type 6
Fraction Type 7
Fraction Type 8
Fraction Type 9
Fraction Type 10
Fraction Type 11
Fraction Type 12
Fraction Type 13
Fraction Type 14
Fraction Type 15
Fraction Type 16
Fraction Type 17
Module 8A-Exploring Decimals
Decimal Type 1
Decimal Type 2
Decimal Type 3
Decimal Type 4
Decimal Type 5
Decimal Type 6
Decimal Type 7
Decimal Type 8
Decimal Type 9
Decimal Type 10
Decimal Type 11
Decimal Type 12
Decimal Type 13
Module 8B- Addition and Subtraction of Decimals
Decimal Type 14
Decimal Type 15
Decimal Type 16
Decimal Type 17
Decimal Type 18
Module 8C-Conversion of Decimals
Decimal Type 19
Decimal Type 20
Decimal Type 21
Decimal Type 22
Decimal Type 23
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