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Navodaya Vidyalaya
Arithematic
Time
Subtraction of Time
Navodaya Vidyalaya
1.
Logical Reasoning
1.1.
Odd-One Out
1.2.
Figure Matching
1.3.
Pattern Completion
1.4.
Figure Series Completion
1.5.
Analogy
1.6.
Geometrical Figure Completion
1.7.
Mirror Imaging
1.8.
Punched Hold Pattern
1.9.
Space Visualization
1.10.
Embedded Figure
2.
Arithematic
2.1.
Numbers
2.1.1.
Successor and Predecessor
2.1.2.
Odd and Even Numbers
2.1.2.1.
Even numbers
2.1.2.2.
Odd numbers
2.1.2.3.
Properties of Odd and Even numbers
2.1.3.
Prime and Composite Numbers
2.1.3.1.
Understanding Prime and Composite Numbers
2.1.3.2.
Composite Numbers
2.1.3.3.
Prime Numbers
2.1.3.4.
Properties of Composite and Prime Numbers
2.1.3.5.
Twin Primes
2.1.3.6.
Prime Triplet
2.1.3.7.
Co-Primes
2.2.
Four Fundamental Operations
2.2.1.
Addition of Large Numbers
2.2.2.
Subtraction of Large Numbers
2.2.3.
Multiplication of large numbers
2.2.4.
Division of Large Numbers
2.2.5.
Word Problem on Operations on Large Numbers
2.2.5.1.
Word Problem on Addition
2.2.5.2.
Word Problem on Subtraction
2.2.5.3.
Word Problem on Multiplication
2.2.5.4.
Word Problem on Division
2.3.
Fractions
2.3.1.
Fraction and Fractional numbers
2.3.2.
Proper, Improper and Mixed Fractions
2.3.3.
Equivalent Fractions
2.3.4.
Simplest Form of a Fraction
2.3.5.
Comparing Fractions
2.3.6.
Operations on Fractions
2.3.6.1.
Addition
2.3.6.1.1.
Addition of Fractions
2.3.6.1.2.
Word Problems on Addition of Fractions
2.3.6.2.
Subtraction
2.3.6.2.1.
Subtraction of Fractions
2.3.6.2.2.
Word Problems on Subtraction of Fractions
2.3.6.3.
Multiplication
2.3.6.3.1.
Simplify Expressions involving Multiplication
2.3.6.3.2.
Use of 'OF'
2.3.6.3.3.
Word Problems on Multiplication of Fractions
2.3.6.4.
Division
2.3.6.4.1.
Simplify Expressions involving Division
2.3.6.4.2.
Word Problems on Division of Fractions
2.3.6.5.
Simplification by Using Operations
2.4.
Factors and Multiples
2.4.1.
Finding Factors of a Number
2.4.2.
Finding Multiples of a Number
2.4.3.
Word Problems on Factors and Multiples
2.4.4.
Properties of Factors and Multiples
2.4.5.
Tests of Divisibility
2.4.5.1.
Test Divisibility by 2
2.4.5.2.
Test Divisibility by 3
2.4.5.3.
Test Divisibility by 4
2.4.5.4.
Test Divisibility by 5
2.4.5.5.
Test Divisibility by 6
2.4.5.6.
Test Divisibility by 7
2.4.5.7.
Test Divisibility by 8
2.4.5.8.
Test Divisibility by 9
2.4.5.9.
Test Divisibility by 10
2.4.5.10.
Test Divisibility by 11
2.4.6.
Prime Factorization of a Number
2.4.7.
HCF and LCM
2.4.7.1.
HCF (Highest Common Factor)
2.4.7.2.
LCM (Lowest Common Multiple)
2.4.7.3.
Properties of LCM and HCF
2.4.7.4.
Word problems on HCF and LCM
2.5.
Decimals
2.5.1.
Place Value Chart
2.5.2.
Expanded Form of Decimal Numbers
2.5.3.
Like and Unlike Decimals
2.5.4.
Equivalent Decimals
2.5.5.
Comparing Decimals
2.5.6.
Ordering Decimals
2.5.7.
Operations on Decimals
2.5.7.1.
Addition and Subtraction of Decimals
2.5.7.1.1.
Addition of Decimals
2.5.7.1.2.
Subtraction of Decimals
2.5.7.1.3.
Word problems on Addition and Subtraction of Decimals
2.5.7.2.
Multiplication and Division of Decimals
2.5.7.2.1.
Multiplication of Decimals
2.5.7.2.2.
Word Problems on Multiplication of Decimals
2.5.7.2.3.
Division of Decimals
2.5.7.2.4.
Word problems on Division of Decimals
2.5.7.3.
Word problems on Mixed Operations on Decimals
2.5.8.
Converting Fractions into Decimals
2.5.9.
Converting Decimals into Fractions
2.6.
Unitary Method
2.6.1.
Problems on Direct Variation
2.6.2.
Problems on Inverse Variation
2.7.
Rounding Numbers
2.7.1.
Rounding off Numbers
2.7.1.1.
Rounding off to the nearest ten
2.7.1.2.
Rounding off to the nearest hundred
2.7.1.3.
Rounding off to the nearest thousand
2.7.2.
Estimating Sum
2.7.3.
Estimating Difference
2.7.4.
Estimating Products
2.7.5.
Estimating Quotients
2.8.
Percentage
2.8.1.
Percentage of a Quantity
2.8.2.
Solving Expressions involving Percentages
2.8.3.
Word Problems on Percentage
2.9.
Profit and Loss
2.9.1.
Gain/Loss and Gain%/Loss%
2.9.2.
SP of the Article
2.9.3.
CP of the Article
2.9.4.
Finding the Number of Articles
2.10.
Simple Interest
2.10.1.
Calculating Simple Interest and Amount
2.10.2.
Calculating Rate of Interest
2.10.3.
Calculating Time Period
2.10.4.
Calculating the Principal
2.11.
Simplification of Numerical Expressions
2.11.1.
Numerical Expressions without Brackets (DMAS)
2.11.2.
Numerical Expressions with Brackets (BODMAS)
2.12.
Mensuration
2.12.1.
Area of a Figure Composed of Unit Squares
2.12.2.
Perimeter of a Figure Composed of Unit Squares
2.12.3.
Perimeter of a Triangle
2.12.4.
Perimeter of Polygons
2.12.5.
Area and Perimeter of a Rectangle
2.12.6.
Area and Perimeter of a Square
2.13.
Time
2.13.1.
Addition of Time
2.13.2.
Subtraction of Time
2.13.3.
Word Problems on Time
2.14.
Data Interpretation
2.14.1.
Tabular Representation of Data
2.14.2.
Interpreting Pictographs
2.14.3.
Interpreting Bar Graphs
Navodaya Vidyalaya Navodaya Vidyalaya
Subtraction of Time
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