A list of all of the mathematics exercises on Khan Academy. These range from basic addition and subtraction to calculus. Some topics and exercises award the user Challenge Patches once they finish a category while others simply count towards badges such as Da Vinci.
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All items (1289)
A
 Absolute value equations
 Absolute value to find distance
 Absolute value to find distance 2

 Add 10s and 100s (no regrouping)

 Add 2 and 3digit numbers (no regrouping)
 Add 2digit numbers (no regrouping)
 Add 2digit numbers by making tens
 Add 2digit numbers by making tens 2
 Add 3 numbers
 Add and subtract on the number line word problems
 Add and subtract polynomials with one variable
 Add and subtract polynomials: two variables
 Add and subtract rational expressions by finding the least common multiple
 Add and subtract rational expressions with factored denominators
 Add and subtract rational expressions with relatively prime denominators
 Add and subtract rational expressions with the same denominator
 Add and subtract using a number line
 Add and subtract within 100 word problems 1
 Add and subtract within 100 word problems 2
 Add using groups of 10 and 100
 Add within 10
 Add within 100
 Add within 1000: Level 1
 Add within 1000: Level 2
 Add within 20
 Add within 5
 Add, subtract, multiply, and divide numerical radical terms
 Adding and subtracting complex numbers
 Adding and subtracting decimals word problems
 Adding and subtracting fractions of pizzas, pies, and cakes
 Adding and subtracting fractions with like denominators word problems
 Adding and subtracting fractions with unlike denominators
 Adding and subtracting fractions with unlike denominators challenge
 Adding and subtracting fractions with unlike denominators word problems
 Adding and subtracting in scientific notation
 Adding and subtracting mixed numbers with like denominators 1


 Adding and subtracting mixed numbers with unlike denominators 1
 Adding and subtracting mixed numbers with unlike denominators 2
 Adding and subtracting negative fractions
 Adding and subtracting negative fractions, decimals, and percents
 Adding and subtracting polynomials
 Adding and subtracting polynomials with one variable
 Adding and subtracting polynomials with two variables

 Adding and subtracting rational expressions 1
 Adding and subtracting rational expressions 2
 Adding and subtracting rational expressions 3
 Adding and subtracting rational expressions 4
 Adding and subtracting rational expressions 5
 Adding and subtracting rational expressions 6

 Adding and subtracting using a number line
 Adding and subtracting vectors in rectangular form
 Adding and subtracting within 1000 using a number line
 Adding decimals (tenths)

 Adding decimals 2








 Adding fractions with common denominators
 Adding fractions with unlike denominators
 Adding negative numbers intro
 Adding negative numbers on the number line
 Adding probabilities
 Adding vectors in magnitude and direction (answer in component form)
 Adding vectors in magnitude and direction form
 Addition and subtraction trig identities
 Addition and subtraction within 10
 Addition within 1000
 Addition word problems within 10
 Advanced reflections
 Advanced structure in expressions
 Age word problems




 Algebraically finding inverses
 Alternating series
 Alternating series remainder
 Amplitude of trigonometric functions
 Analyze extraneous solutions of radical equations
 Analyze invertible and noninvertible functions
 Analyze the solutions of systems of equations algebraically
 Analyze the solutions of systems of equations graphically
 Angle bisector theorem
 Angle types
 Angles of a polygon

 Applications of derivatives: Motion along a line
 Applications of derivatives: Tangent and normal lines
 Applications of differentiation in biology, economics, physics, etc.
 Applying angle addition formulas
 Applying right triangles
 Approximating square roots
 Approximating with powers of 10
 Arc length of functions in one variable
 Arc length of polar curves
 Area and circumference of circles
 Area and perimeter of rectangles word problems
 Area and the distributive property
 Area between a curve and an axis
 Area between two curves
 Area challenge
 Area enclosed by polar graphs
 Area of a circle

 Area of quadrilaterals and polygons
 Area of trapezoids, rhombi, and kites
 Area of triangles

 Area problems
 Area under a rate function equals net change
 Area, volume, and surface area
 Areas of circles and sectors


 Arithmetic series
 Arithmetic word problems with mass
 Arithmetic word problems with volume
 Associative property of multiplication

 Average rate of change word problems
 Average value of a function
 Average word problems
 Axis of symmetry
B
C
 Calculating finite geometric series
 Calculating the interquartile range (IQR)
 Calculating the mean
 Calculating the mean absolute deviation (MAD)
 Calculating the mean from data displays
 Calculating the median
 Calculating the median from data displays
 Categorize quadrilaterals
 Central, inscribed, and circumscribed angles
 Chain rule on three functions
 Chain rule on two functions
 Checking solutions of systems of inequalities
 Checking solutions of twovariable linear inequalities
 Checking solutions to systems of equations
 Checking solutions to twovariable linear equations
 Checking solutions to twovariable linear inequalities
 Circles and arcs
 Circles and Pythagorean identities
 Classify complex numbers

 Classifying numbers
 Classifying shapes by line and angle types
 Clusters, gaps, peaks, and outliers

 Combining like terms
 Combining like terms with distribution
 Combining like terms with negative coefficients
 Combining like terms with negative coefficients & distribution
 Combining like terms with rational coefficients
 Combining the product and chain rules
 Common denominators
 Commutative property of multiplication
 Compare 2digit numbers
 Compare 3digit numbers
 Compare features of functions
 Compare numbers of objects 1
 Compare numbers of objects 2
 Compare properties of quadratic functions
 Compare shapes
 Compare size
 Compare the growth rates of exponentials and polynomials
 Comparing absolute values
 Comparing absolute values 2
 Comparing area and perimeter
 Comparing areas by multiplying