Course Content
Integer
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Properties
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Sets
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Sets- definition
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Types of sets
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Types of sets- contd.
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Problems
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Fractions
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What is fraction(M1)
00:00
Multiplication and division(M2)
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Module 3
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Module 4
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Rational numbers
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Module 1
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Module 2
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Module 3
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Percentage
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Module 1
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Module 2
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Module 3
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Module 4
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Module 5
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Module 6
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Exponents
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Module 1
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Speed, Distance and Time
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Module 1
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Module 2
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Algebraic expressions
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Module 1
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Module 2
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Module 3
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Module 4
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Revision
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Revision
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Simple Linear Equations One variable
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Module 1
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Module 2
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Pairs of angles
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Module 1
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Module 2
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Properties of triangle
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Module 1
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Module 2
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Constructions
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Module 1
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Perimeter and area
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Module 1
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Module 2
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Module 3
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Module 4
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Module 5
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Module 6
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Revision
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Revision
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Data Handling
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Module 1
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Module 2
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Module 3
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Revision
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Revision
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Class 7- MATHEMATICS
About Lesson

Percentage

  • Percent means per hundred, The symbol for percent is %

  • A fraction that has 100 as denominator is called a percentage.

  • Percentage change = (Amount of increase or decrease ÷ Original amount) x 100

  • Profit = Selling Price-Cost Price (S.P.-C.P.)

  • Loss = C.P-S.P

  • S.P = C.P+Profit

  • S.P= C.P – Loss

  • Profit percent =(Total profit÷Cost price)x100

  • Loss percent = (Total loss÷ Cost price)x100

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