8TH GRADE MATH
About "8th Grade Math"
Here we are going to see list of topics of 8th grade math.
RATIONAL NUMBERS
- Properties of rational numbers
- Properties of addition of rational numbers
- Properties of subtraction of rational numbers
- Properties of multiplication of rational numbers
- Properties of division of rational numbers
- Additive inverse
- Additive inverse of a rational number
- Multiplicative inverse
- Representation of rational numbers on number line
- Rational numbers between two rational numbers
LINEAR EQUATIONS IN ONE VARIABLE
- Solving equations with variables on both sides
- Solving one step equations word problems
- Word problems on simple equations
- Solve rational equations
- Solve linear equations word problems
- BODMAS rule
- Exponents
- Laws of exponents
- Simplifying expressions with powers
- Simplifying expressions with rational exponents
- Find the missing exponent
- Find the missing base
UNDERSTANDING QUADRILATERALS
SQUARE, SQUARE ROOTS, CUBE AND CUBE ROOTS
- Square of numbers
- How to find the unit digit of squares
- How to find the square of a fraction
- How to check if the given number is perfect square or not.
- Square root
- Properties of square root
- Square root of perfect squares
- Square root by prime factrization method
- Square root by long division
- Square root of decimal number
- Square root of fraction
- How to find the number of digits of square root of a number
- Find the least number to be added to get a perfect square
- How to find the least number to be subtracted to get a perfect square
- Find the least number should be multiplied to get a perfect square
- Find the least number should be divided to get a perfect square
- How to find the cube of the number
- How to check if the given number is perfect cube or not
MEASUREMENTS
- Area and perimeter
- Area of circle
- Circumference of circle
- Area of shaded region
- Area and perimeter of semicircle
- Area and perimeter of quadrant
- Area of trapezium
- Area of quadrilateral
- How to find the area of sector
- Arc length of sector
- Perimeter of sector
- Surface area of cube, cuboid and cylinder
- Volume of cube cuboid and cylinder
COMPARING QUANTITIES
- Finding percent increase and decrease
- Markup and markdown word problems
- How to find cost price
- How to find selling price ?
- How to get percent of discount ?
- Percent of discount tax and more
- How to compute simple interest ?
- How to compute compound interest ?
- Simple and compound interest
- Difference between simple and compound interest
ALGEBRAIC EXPRESSIONS AND IDENTITIES
- Terms, factors and coefficients
- Monomials, binomials and polynomials
- Like and unlike terms
- Addition and subtraction of algebraic expressions
- Multiplication of algebraic expression
- Multiplying a monomial by a binomial
- Multiplying monomials
- Multiplying a monomial by a polynomial
- Multiplying binomials using FOIL method
- Multiplying binomial by a trinomial
- Algebraic identities
- Formula for (a + b)2
- Formula for (a - b)2
- Formula for (x + a) (x + b)
- Formula for a2 - b2
- Factoring monomials
- Factoring expressions
- Factorise by grouping
- Factorization using identities
- Dividing a monomial by a monomial
- Solving one step equations
- Solving two step equations
- Solving one step equations word problems
EXPONENTS AND POWERS
DIRECT AND INVERSE PROPORTION
GEOMETRY
- Properties of triangle
- Kinds of triangles
- Angle sum property of a triangle
- Triangle inequality theorem
- Congruence of triangle
- Pythagorean Theorem
- How to find pythagorean triplet from one number
- How to find the missing angle of a triangle
- The measures of the angles of a triangle are in the extended ratio worksheet
- Circle
CARTESIAN PLANE AND COORDINATES
DATA HANDLING
- Formation of frequency table for ungrouped data
- How to draw histogram for grouped data
- Drawing a histogram when class intervals are not continuous
- How to draw frequency polygon using histogram
- How to draw frequency polygon without suing histogram
- Construction of pie chart
- Arithmetic mean of ungrouped data
- How to find the missing number in arithmetic mean
- How to find the correct mean from incorrect mean
- Find arithmetic mean by direct method
- Median of ungrouped data
- How to find median of grouped data
- How to find mode of ungrouped data
- Finding mean, median and mode of grouped data
PRACTICAL GEOMETRY
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WORD PROBLEMS
Word problems on simple equations
Word problems on linear equations
Word problems on quadratic equations
Area and perimeter word problems
Word problems on direct variation and inverse variation
Word problems on comparing rates
Converting customary units word problems
Converting metric units word problems
Word problems on simple interest
Word problems on compound interest
Word problems on types of angles
Complementary and supplementary angles word problems
Markup and markdown word problems
Word problems on mixed fractrions
One step equation word problems
Linear inequalities word problems
Ratio and proportion word problems
Time and work word problems
Word problems on sets and venn diagrams
Pythagorean theorem word problems
Percent of a number word problems
Word problems on constant speed
Word problems on average speed
Word problems on sum of the angles of a triangle is 180 degree
OTHER TOPICS
Time, speed and distance shortcuts
Ratio and proportion shortcuts
Domain and range of rational functions
Domain and range of rational functions with holes
Graphing rational functions with holes
Converting repeating decimals in to fractions
Decimal representation of rational numbers
Finding square root using long division
L.C.M method to solve time and work problems
Translating the word problems in to algebraic expressions
Remainder when 2 power 256 is divided by 17
Remainder when 17 power 23 is divided by 16
Sum of all three digit numbers divisible by 6
Sum of all three digit numbers divisible by 7
Sum of all three digit numbers divisible by 8
Sum of all three digit numbers formed using 1, 3, 4
Sum of all three four digit numbers formed with non zero digits
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