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sowiso logo Basic Math

Algebra, precalculus and calculus for college and university students. Contains topics ranging from numbers to differentiation and integration.

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Course content
Numbers
Integers
THEORY
T
1.
Integers
PRACTICE
P
2.
Integers
5
THEORY
T
3.
Ordering of integers
PRACTICE
P
4.
Ordering of integers
8
THEORY
T
5.
Sum, terms, product and factors
PRACTICE
P
6.
Sum, terms, product and factors
5
THEORY
T
7.
Divisors
PRACTICE
P
8.
Divisors
5
THEORY
T
9.
Order of operations
PRACTICE
P
10.
Order of operations
8
THEORY
T
11.
Factorization
PRACTICE
P
12.
Factorization
5
THEORY
T
13.
Prime numbers
PRACTICE
P
14.
Prime numbers
5
THEORY
T
15.
Prime factorization
PRACTICE
P
16.
Prime factorization
7
THEORY
T
17.
Greatest common divisor and least common multiple
PRACTICE
P
18.
Greatest common divisor and least common multiple
9
Negative numbers
THEORY
T
1.
Adding and subtracting negative numbers
PRACTICE
P
2.
Adding and subtracting negative numbers
8
THEORY
T
3.
Multiplying negative numbers
PRACTICE
P
4.
Multiplying negative numbers
8
THEORY
T
5.
Dividing negative numbers
PRACTICE
P
6.
Dividing negative numbers
6
THEORY
T
7.
Opposite numbers
PRACTICE
P
8.
Opposite numbers
5
THEORY
T
9.
Absolute value
PRACTICE
P
10.
Absolute value
6
Fractions
THEORY
T
1.
Fractions
PRACTICE
P
2.
Fractions
5
THEORY
T
3.
Equivalent fractions
PRACTICE
P
4.
Equivalent fractions
7
THEORY
T
5.
Negative fractions
PRACTICE
P
6.
Negative fractions
10
THEORY
T
7.
Simplifying Fractions
PRACTICE
P
8.
Simplifying Fractions
10
THEORY
T
9.
Adding and subtracting fractions with like denominators
PRACTICE
P
10.
Adding and subtracting fractions with like denominators
5
THEORY
T
11.
Writing fractions with like denominators
PRACTICE
P
12.
Writing fractions with like denominators
8
THEORY
T
13.
Addition and subtraction of fractions
PRACTICE
P
14.
Addition and subtraction of fractions
9
THEORY
T
15.
Convenient addition and subtraction of fractions
PRACTICE
P
16.
Convenient addition and subtraction of fractions
8
THEORY
T
17.
Multiplication of fractions
PRACTICE
P
18.
Multiplication of fractions
8
THEORY
T
19.
Reciprocal of a fraction
PRACTICE
P
20.
Reciprocal of a fraction
7
THEORY
T
21.
Division of fractions
PRACTICE
P
22.
Division of fractions
10
Powers and roots
THEORY
T
1.
Powers
PRACTICE
P
2.
Powers
6
THEORY
T
3.
Fractions raised to an integral power
PRACTICE
P
4.
Fractions raised to an integral power
5
THEORY
T
5.
Rules of calculation for powers
PRACTICE
P
6.
Rules of calculation for powers
8
THEORY
T
7.
Negative exponents
PRACTICE
P
8.
Negative exponents
7
THEORY
T
9.
Square roots
PRACTICE
P
10.
Square roots
6
THEORY
T
11.
Rules of calculation for roots
PRACTICE
P
12.
Rules of calculation for roots
5
THEORY
T
13.
Roots of fractions
PRACTICE
P
14.
Roots of fractions
5
THEORY
T
15.
Standard notation of roots
PRACTICE
P
16.
Standard notation of roots
5
THEORY
T
17.
Higher roots
PRACTICE
P
18.
Higher roots
5
THEORY
T
19.
Rules of calculation for higher roots
PRACTICE
P
20.
Rules of calculation for higher roots
8
THEORY
T
21.
Standard notation of higher roots
PRACTICE
P
22.
Standard notation of higher roots
6
THEORY
T
23.
Order of operations with powers and roots
PRACTICE
P
24.
Order of operations with powers and roots
10
THEORY
T
25.
Irrational numbers
PRACTICE
P
26.
Irrational numbers
5
Ratios
THEORY
T
1.
Decimal numbers
PRACTICE
P
2.
Decimal numbers
5
THEORY
T
3.
Ordering of decimal numbers
PRACTICE
P
4.
Ordering of decimal numbers
8
THEORY
T
5.
Rounding numbers
PRACTICE
P
6.
Rounding numbers
10
THEORY
T
7.
Percentages
PRACTICE
P
8.
Percentages
8
THEORY
T
9.
Ratios
PRACTICE
P
10.
Ratios
7
THEORY
T
11.
Fractions, decimals, percentages, and ratios
PRACTICE
P
12.
Fractions, decimals, percentages, and ratios
7
Algebra
Variables
THEORY
T
1.
Variables
PRACTICE
P
2.
Variables
4
THEORY
T
3.
Sum and product of variables
PRACTICE
P
4.
Sum and product of variables
5
THEORY
T
5.
Substitution
PRACTICE
P
6.
Substitution
7
THEORY
T
7.
Simplification
PRACTICE
P
8.
Simplification
5
THEORY
T
9.
Simplification with algebraic rules
PRACTICE
P
10.
Simplification with algebraic rules
5
Calculating with exponents and roots
THEORY
T
1.
Integer exponents
PRACTICE
P
2.
Integer exponents
7
THEORY
T
3.
Calculating with integer exponents
PRACTICE
P
4.
Positive integer exponents 1
10
PRACTICE
P
5.
Positive integer exponents 2
10
PRACTICE
P
6.
Positive integer exponents 3
7
PRACTICE
P
7.
Positive integer exponents 4
6
THEORY
T
8.
Square roots
PRACTICE
P
9.
Square roots
5
THEORY
T
10.
Calculating with square roots
PRACTICE
P
11.
Calculating with square roots
5
THEORY
T
12.
Higher degree roots
PRACTICE
P
13.
Higher degree roots
8
THEORY
T
14.
Calculating with fractional exponents
PRACTICE
P
15.
Calculating with fractional exponents
7
THEORY
T
16.
Order of operations
PRACTICE
P
17.
Order of operations
5
Expanding brackets
THEORY
T
1.
Expanding brackets
PRACTICE
P
2.
Expanding brackets 1
9
PRACTICE
P
3.
Expanding brackets 2
5
THEORY
T
4.
Expanding double brackets
PRACTICE
P
5.
Expanding double brackets 1
10
PRACTICE
P
6.
Expanding double brackets 2
10
PRACTICE
P
7.
Expanding double brackets 3
6
Factorization
THEORY
T
1.
Factoring out
PRACTICE
P
2.
Factoring out
8
THEORY
T
3.
Factorization
PRACTICE
P
4.
Factorization 2
7
PRACTICE
P
5.
Factorization 3
10
PRACTICE
P
6.
Factorization 4
6
Notable Products
THEORY
T
1.
The square of a sum or a difference
PRACTICE
P
2.
The square of a sum or a difference
7
THEORY
T
3.
The difference of two squares
PRACTICE
P
4.
The difference of two squares
8
Adding and subtracting fractions
THEORY
T
1.
Fractions
PRACTICE
P
2.
Fractions
5
THEORY
T
3.
Simplifying fractions
PRACTICE
P
4.
Simplifying fractions
3
PRACTICE
P
5.
Simplifying fractions
5
THEORY
T
6.
Addition and subtraction of like fractions
PRACTICE
P
7.
Addition and subtraction of like fractions
5
THEORY
T
8.
Making fractions similar
PRACTICE
P
9.
Making fractions similar
5
THEORY
T
10.
Addition and subtraction of fractions
PRACTICE
P
11.
Addition and subtraction of fractions
8
THEORY
T
12.
Multiplication of fractions
PRACTICE
P
13.
Multiplication of fractions
8
THEORY
T
14.
Division of fractions
PRACTICE
P
15.
Division of fractions
6
THEORY
T
16.
Fraction decomposition
PRACTICE
P
17.
Fraction decomposition
5
Linear formulas and equations
Formulas
THEORY
T
1.
Formula
PRACTICE
P
2.
Formulas
6
THEORY
T
3.
Dependent and independent variables
PRACTICE
P
4.
Dependent and independent variables
5
THEORY
T
5.
Graphs
PRACTICE
P
6.
Graphs
8
Linear functions
THEORY
T
1.
Linear formula
PRACTICE
P
2.
Linear formula
6
THEORY
T
3.
Slope and intercept
PRACTICE
P
4.
Slope and intercept
6
THEORY
T
5.
Composing a linear formula
PRACTICE
P
6.
Composing a linear formula
5
THEORY
T
7.
Parallel and intersecting linear formulas
PRACTICE
P
8.
Parallel and intersecting linear formulas
6
Linear equations and inequalities
THEORY
T
1.
Linear equations
PRACTICE
P
2.
Linear equations
12
THEORY
T
3.
The general solution of a linear equation
PRACTICE
P
4.
The general solution of a linear equation
10
THEORY
T
5.
Intersection points of linear formulas with the axes
PRACTICE
P
6.
Intersection points of linear formulas with the axes
7
THEORY
T
7.
Intersection point of two linear formulas
PRACTICE
P
8.
Intersection point of two linear formulas
10
THEORY
T
9.
Linear inequalities
PRACTICE
P
10.
Linear inequalities
7
THEORY
T
11.
General solution of a linear inequality
PRACTICE
P
12.
General solution of a linear inequality
10
Systems of linear equations
An equation of a line
THEORY
T
1.
A linear equation with two unknowns
PRACTICE
P
2.
A linear equation with two unknowns
5
THEORY
T
3.
Solution linear equation with two unknowns
PRACTICE
P
4.
Solution linear equation with two unknowns
5
THEORY
T
5.
The equation of a line
PRACTICE
P
6.
The equation of a line
10
THEORY
T
7.
Composing the equation of a line
PRACTICE
P
8.
Composing the equation of a line
7
Two equations with two unknowns
THEORY
T
1.
Systems of linear equations
PRACTICE
P
2.
Systems of linear equations
5
THEORY
T
3.
Solving systems of linear equations by substitution
PRACTICE
P
4.
Solving systems of linear equations by substitution
10
THEORY
T
5.
Solving systems of equations by elimination
PRACTICE
P
6.
Solving systems of equations by elimination
5
THEORY
T
7.
General solution system of linear equations
PRACTICE
P
8.
General solution system of linear equations
9
Quadratic equations
Parabola
THEORY
T
1.
Quadratics
PRACTICE
P
2.
Quadratics
8
THEORY
T
3.
Parabola
PRACTICE
P
4.
Parabola
6
Solving quadratic equations
THEORY
T
1.
Quadratic equations
PRACTICE
P
2.
Quadratic equations
5
THEORY
T
3.
Solving quadratic equations by factorization
PRACTICE
P
4.
Solving quadratic equations by factorization
10
THEORY
T
5.
Solving quadratic equations by completing the square
PRACTICE
P
6.
Solving quadratic equations by completing the square
5
THEORY
T
7.
The quadratic formula
PRACTICE
P
8.
The quadratic formula 1
6
PRACTICE
P
9.
The quadratic formula 2
10
Drawing parabolas
THEORY
T
1.
Intersection of parabolas with the axes
PRACTICE
P
2.
Intersections of parabolas with the axes
10
THEORY
T
3.
Vertex of a parabola
PRACTICE
P
4.
Vertex of a parabola
5
THEORY
T
5.
Drawing of parabolas
PRACTICE
P
6.
Drawing of parabolas
16
THEORY
T
7.
Transformations of parabolas
PRACTICE
P
8.
Transformations of parabolas
8
Intersection points of parabolas
THEORY
T
1.
Intersection points of a parabola with a line
PRACTICE
P
2.
Intersection points of parabolas 1
8
THEORY
T
3.
Intersection points of parabolas
PRACTICE
P
4.
Intersection points of parabolas
11
Quadratic inequalities
THEORY
T
1.
Quadratic inequalities
PRACTICE
P
2.
Quadratic inequalities
8
Functions
Domain and range
THEORY
T
1.
Function and formula
PRACTICE
P
2.
Function and formula
6
THEORY
T
3.
Function rule
PRACTICE
P
4.
Function rule
5
THEORY
T
5.
Intervals
PRACTICE
P
6.
Intervals
7
THEORY
T
7.
Domain
PRACTICE
P
8.
Domain
2
THEORY
T
9.
Range
PRACTICE
P
10.
Range
2
Power functions
THEORY
T
1.
Power functions
PRACTICE
P
2.
Power functions
5
THEORY
T
3.
Transformations of power functions
PRACTICE
P
4.
Transformations of power functions
12
THEORY
T
5.
Equations with power functions
PRACTICE
P
6.
Equations with power functions
5
Higher degree polynomials
THEORY
T
1.
Polynomials
PRACTICE
P
2.
Polynomials
3
THEORY
T
3.
Equations with polynomials
PRACTICE
P
4.
Equations with polynomials
4
THEORY
T
5.
Solving higher degree polynomials with factorization
PRACTICE
P
6.
Solving higher degree polynomials with factorization
4
THEORY
T
7.
Solving higher degree polynomials with the quadratic equation
PRACTICE
P
8.
Solving higher degree polynomials with the quadratic equation
2
THEORY
T
9.
Higher degree inequalities
PRACTICE
P
10.
Higher degree inequalities
8
Power functions and root functions
THEORY
T
1.
Root function
PRACTICE
P
2.
Root functions
2
THEORY
T
3.
Transformations of root functions
PRACTICE
P
4.
Transformations of root functions
5
THEORY
T
5.
Root equations
PRACTICE
P
6.
Root equations
2
THEORY
T
7.
Solving root equations with substitution
PRACTICE
P
8.
Solving root equations with substitution
2
THEORY
T
9.
Inverse functions
PRACTICE
P
10.
Inverse functions
2
Fractional functions
THEORY
T
1.
Asymptotes and hyperbolas
PRACTICE
P
2.
Asymptotes and hyperbolas
5
THEORY
T
3.
Power functions with negative exponents
PRACTICE
P
4.
Power functions with negative exponents
2
THEORY
T
5.
Transformations of power functions with negative exponents
PRACTICE
P
6.
Transformations of power functions with negative exponents
12
THEORY
T
7.
Linear fractional functions
PRACTICE
P
8.
Linear fractional functions
7
THEORY
T
9.
Linear fractional equations
PRACTICE
P
10.
Linear fractional equations
3
THEORY
T
11.
Inverse of linear fractional function
PRACTICE
P
12.
Inverse of linear fractional function
4
THEORY
T
13.
Quotient functions
PRACTICE
P
14.
Quotient functions
16
Exponential functions and logarithms
Exponential functions
THEORY
T
1.
The exponential function
PRACTICE
P
2.
The exponential function
4
THEORY
T
3.
Exponential equations
PRACTICE
P
4.
Exponential equations
5
THEORY
T
5.
Transformations of the exponential function
PRACTICE
P
6.
Transformations of the exponential function
2
Logarithmic functions
THEORY
T
1.
The logarithmic function
PRACTICE
P
2.
The logarithmic function
9
THEORY
T
3.
Logarithmic equations
PRACTICE
P
4.
Logarithmic equations
5
THEORY
T
5.
Exponential equations
PRACTICE
P
6.
Exponential equations
5
THEORY
T
7.
Isolating variables
PRACTICE
P
8.
Isolating variables
6
THEORY
T
9.
Rules for logarithms
PRACTICE
P
10.
Rules for logarithms
5
THEORY
T
11.
More logarithmic equations
PRACTICE
P
12.
More logarithmic equations
5
THEORY
T
13.
Change of base
PRACTICE
P
14.
Change of base
5
THEORY
T
15.
Solving equations using substitution
PRACTICE
P
16.
Solving equations using substitution
5
THEORY
T
17.
Graph of logarithmic function
PRACTICE
P
18.
Graph of logarithmic function
2
THEORY
T
19.
Transformations of the logarithmic function
PRACTICE
P
20.
Transformations of the logarithmic function
2
Trigonometry
Angles with sine, cosine and tangent
THEORY
T
1.
Angles
PRACTICE
P
2.
Angles
1
THEORY
T
3.
Triangles
PRACTICE
P
4.
Triangles
1
THEORY
T
5.
Rules for right-angled triangles
PRACTICE
P
6.
Rules for right-angled triangles 1
9
PRACTICE
P
7.
Rules for right-angled triangles 2
6
THEORY
T
8.
Angles in radians
PRACTICE
P
9.
Angles in radians
8
THEORY
T
10.
Symmetry in the unit circle
PRACTICE
P
11.
Symmetry in the unit circle
10
THEORY
T
12.
Special values of trigonometric functions
PRACTICE
P
13.
Special values of trigonometric functions
5
THEORY
T
14.
Addition formulas for trigonometric functions
PRACTICE
P
15.
Addition formulas for trigonometric functions
7
THEORY
T
16.
Sine and cosine rules
PRACTICE
P
17.
Sine and cosine rules
8
Trigonometric functions
THEORY
T
1.
Trigonometric functions
PRACTICE
P
2.
Trigonometric functions
4
THEORY
T
3.
Transformations of trigonometric functions
PRACTICE
P
4.
Transformations of trigonometric functions
15
THEORY
T
5.
Inverse trigonometric functions
PRACTICE
P
6.
Inverse trigonometric functions
4
THEORY
T
7.
Trigonometric equations 1
PRACTICE
P
8.
Trigonometric equations 1
6
THEORY
T
9.
Trigonometric equations 2
PRACTICE
P
10.
Trigonometric equations 2
6
Differentiation
The derivative
THEORY
T
1.
The difference quotient
PRACTICE
P
2.
The difference quotient
5
THEORY
T
3.
The difference quotient at a point
PRACTICE
P
4.
The difference quotient at a point
5
THEORY
T
5.
The tangent line
PRACTICE
P
6.
The tangent line
2
THEORY
T
7.
The notion of derivative
PRACTICE
P
8.
The notion of derivative
14
The derivative of power functions
THEORY
T
1.
The derivative of power functions
PRACTICE
P
2.
The derivative of power functions 1
7
PRACTICE
P
3.
The derivative of power functions 2
8
PRACTICE
P
4.
The derivative of power functions 3
5
Sum and product rule
THEORY
T
1.
The sum rule
PRACTICE
P
2.
The sum rule
7
THEORY
T
3.
The product rule
PRACTICE
P
4.
The product rule
6
Chain rule
THEORY
T
1.
Composite functions
PRACTICE
P
2.
Composite functions
8
THEORY
T
3.
The chain rule
PRACTICE
P
4.
The chain rule
9
The derivative of standard functions
THEORY
T
1.
The derivative of trigonometric functions
PRACTICE
P
2.
The derivative of trigonometric functions 1
8
PRACTICE
P
3.
The derivative of trigonometric functions 2
10
THEORY
T
4.
The base e and the natural logarithm
PRACTICE
P
5.
The base e and the natural logarithm
5
THEORY
T
6.
The derivative of exponential functions and logarithms
PRACTICE
P
7.
The derivative of exponential functions and logarithms 1
7
Quotient rule
THEORY
T
1.
The quotient rule
PRACTICE
P
2.
The quotient rule 1
6
PRACTICE
P
3.
The quotient rule 2
7
Mixed exercises differentiation
PRACTICE
P
1.
Mixed exercises differentiation
15
Applications of derivatives
THEORY
T
1.
Increasing and decreasing
PRACTICE
P
2.
Increasing and decreasing
8
THEORY
T
3.
Extreme values
PRACTICE
P
4.
Extreme values
9
THEORY
T
5.
The second derivative
PRACTICE
P
6.
The second derivative
5
THEORY
T
7.
Types of increasing and decreasing
PRACTICE
P
8.
Types of increasing and decreasing
5
THEORY
T
9.
Inflection points
PRACTICE
P
10.
Inflection points
5
THEORY
T
11.
Higher order derivatives
PRACTICE
P
12.
Higher order derivatives
5
Integration
Antiderivatives
THEORY
T
1.
The antiderivative of a function
PRACTICE
P
2.
The antiderivative of a function
5
THEORY
T
3.
The antiderivative of a power function
PRACTICE
P
4.
The antiderivative of a power function
5
THEORY
T
5.
Rules of calculation for antiderivatives
PRACTICE
P
6.
Rules of calculation for antiderivatives
8
THEORY
T
7.
Antiderivatives of some known functions
PRACTICE
P
8.
Antiderivatives of some known functions
5
THEORY
T
9.
Antiderivatives and the chain rule
PRACTICE
P
10.
Antiderivatives and the chain rule
6
The definite integral
THEORY
T
1.
Definite integral
PRACTICE
P
2.
Definite integral
6
THEORY
T
3.
Area
PRACTICE
P
4.
Area
5
THEORY
T
5.
Area of a surface between curves
PRACTICE
P
6.
Area of a surface between curves
5
THEORY
T
7.
Solid of revolution
PRACTICE
P
8.
Solid of revolution
5
Integration techniques
THEORY
T
1.
Substitution method
PRACTICE
P
2.
Substitution method
10
THEORY
T
3.
Trigonometric integrals
PRACTICE
P
4.
Trigonometric integrals
8
THEORY
T
5.
Integration by parts
PRACTICE
P
6.
Integration by parts
7
THEORY
T
7.
Repeated integration by parts
PRACTICE
P
8.
Repeated integration by parts
5
THEORY
T
9.
Known antiderivatives of some quotient functions
PRACTICE
P
10.
Known antiderivatives of some quotient functions
6
THEORY
T
11.
Long division with polynomials
PRACTICE
P
12.
Long division with polynomials
5
THEORY
T
13.
Finding the antiderivatives of quotient functions 1
PRACTICE
P
14.
Finding the antiderivatives of quotient functions 1
6
THEORY
T
15.
Fraction decomposition
PRACTICE
P
16.
Fraction decomposition
5
THEORY
T
17.
Finding the antiderivatives of quotient functions 2
PRACTICE
P
18.
Finding the antiderivatives of quotient functions 2
6
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