KhanAcademyExercises
Biased and unbiased estimators
Practice determining if a statistic is an unbiased estimator of some population parameter.
Sample means and the central limit theorem
Practice using the central limit theorem to describe the shape of the sampling distribution of a sample mean.
Disruptions to ecosystems
Test your knowledge of disruptions to ecosystems!
Unit fractions on the number line
Use unit fractions to think about the location of other fractions on the number line.
Compare fractions with the same numerator or denominator
Compare two fractions that have either the same numerator or denominator.
Restrict domains of functions to make them invertible
Given the graph of a function, find ways to restrict its domain in order to make it invertible.
Definition, measurement, and functions of money
Practice and gain better understanding of the money supply and the purpose of money.
Name angles
Name angles by their vertex, endpoints, or labels.
Line integrals in conservative vector fields
Practice computing line integrals in conservative vector fields with the fundamental theorem of line integrals.
Finding partial derivatives
Compute partial derivatives. Practice ignoring certain variables when taking the derivative.
Graph labels and scales
Given the graph of a real-world relationship, determine whether the labels and scales of the graph's axes are appropriate.
Comparing distributions
Practice comparing distributions that are presented in dot plots, histograms, and box plots.
Sinusoidal models word problems
Solve word problems that involve real-world contexts that are modeled by sinusoidal functions.
Solve sinusoidal equations
Solve equations of the form a*sin(bx+c)=d or a*cos(bx+c)=d where a, b, c, and d are any number.
General triangle word problems
Solve word problems that involve general (non-right) triangles using the law of sines and law of cosines.
Find trig values using angle addition identities
Find the trigonometric values of various angles that (while they are not special angles) can be expressed as the sum or difference of special angles and vice versa.
Telling time word problems (within the hour)
Solve a word problem to find the duration of an event. Both analog or digital clocks are included.
Tell time to the nearest minute
Practice telling time using analog clocks. Some clocks do not have labels.
Páginas
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KhanAcademyExercises
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