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- Equation practice with midpoints
- Equation practice with segment addition
- Equation practice with vertical angles
- Equations from tables
- Equations of parallel and perpendicular lines
- Equations with parentheses
- Equations with square roots and cube roots
- Equations with variables on both sides
- Equivalent expressions with distribution and combining like terms
- Equivalent expressions with negative numbers and the distributive property
- Equivalent forms of exponential expressions
- Equivalent forms of expressions with complex numbers
- Equivalent forms of polynomial expressions
- Equivalent fraction models
- Equivalent fractions
- Equivalent fractions (with fraction models)
- Equivalent fractions 2
- Equivalent fractions and different wholes
- Equivalent fractions introduction
- Equivalent fractions on the number line
- Equivalent fractions with denominators of 10 and 100
- Equivalent fractions with denominators of 10 and 100 intuition
- Equivalent systems of equations
- Estimate lengths
- Estimate mass (grams and kilograms)
- Estimate volume (milliliters and liters)
- Estimating equations of lines of best fit, and using them to make predictions
- Estimating length (in, ft, yd, and mi)
- Estimating length (mm, cm, m, km)
- Estimating mass (grams and kilograms)
- Estimating mass (ounces and pounds)
- Estimating time (seconds, minutes, and hours)
- Estimating volume
- Estimating volume (cups, pints, quarts, and gallons)
- Estrellita
- Euclid's postulates
- Euler's cosine wave
- Euler's formula
- Euler's method
- Euler's sine wave
- Evaluate composite functions from formulas
- Evaluate composite functions from graphs and tables
- Evaluate expressions with unknown variables (advanced)
- Evaluate expressions with unknown variables (basic)
- Evaluate functions from their formula
- Evaluate logarithms using the change of base rule
- Evaluating a definite integral from a graph
- Evaluating arithmetic sequences 1
- Evaluating arithmetic sequences 2
- Evaluating composite functions
- Evaluating definite integrals
- Evaluating exponent expressions word problems
- Evaluating expressions in one variable
- Evaluating expressions in two variables 2
- Evaluating expressions with exponents
- Evaluating expressions with parentheses
- Evaluating expressions with two variables
- Evaluating expressions with variables word problems
- Evaluating function expressions
- Evaluating functions
- Evaluating inverse trig functions
- Evaluating logarithms (advanced)
- Evaluating logarithms (basic)
- Evaluating piecewise functions
- Evaluating sequences in recursive form
- Evaluator
- Excellent Explainer
- Excellent Teacher
- Expected value
- Expected value with calculated probabilities
- Expected value with empirical probabilities
- Experimental probability
- Explicit formulas for arithmetic sequences
- Explicit formulas for geometric sequences
- Exploring angle-preserving transformations and similarity
- Exploring mean and median
- Exploring rigid transformations and congruence
- Exploring standard deviation
- Exploring the foci of an ellipse
- Exponents
- Exponents with negative fractional bases
- Express Yourself
- Expression value intuition
- Expressions with parentheses
- Exterminator
- Extraneous solutions to radical equations
- Extraneous solutions to rational equations
- Extreme value theorem
- Extreme values from graphs
- Eyeballing the line of best fit
- Facing the standardized tests
- Fact Checker
- Factor differences of squares
- Factor monomials
- Factor pairs
- Factor perfect squares
- Factor polynomials by taking a common factor
- Factor polynomials with quadratic forms
- Factor polynomials with special product forms
- Factor simple special products
- Factoring algebraic expressions using the distributive property
- Factoring difference of squares 1
- Factoring difference of squares 2
- Factoring difference of squares 3
- Factoring differences of squares
- Factoring perfect squares
- Factoring polynomials by grouping
- Factoring polynomials by taking a common factor
- Factoring polynomials using quadratic methods
- Factoring quadratics 1
- Factoring quadratics 2
- Factoring quadratics with a leading coefficient of 1
- Factoring quadratics with two variables
- Factoring simple special products
- Factors and divisibility
- Feedback
- Fields, Potential, and Voltage
- Filling rectangles with same-sized squares
- Financial aid package comparison: Part 3
- Financial aid package components: Part 1
- Financial aid package example: Part 2
- Find 1 more or 1 less than a number
- Find a missing value given the mean
- Find any term of a geometric sequence, given the formula of the sequence
- Find any term of an arithmetic sequence, given the formula of the sequence
- Find area by counting unit squares
- Find complex numbers according to absolute value and angle
- Find conjugates of complex numbers
- Find explicit formulas for arithmetic sequences
- Find features of quadratic functions
- Find inverse values of functions
- Find inverses of polynomial, radical, and rational functions
- Find missing angles of triangles
- Find missing sides of similar triangles (advanced)
- Find missing sides of similar triangles (basic)
- Find perimeter when given side lengths
- Find recursive formulas for geometric sequences
- Find special products of binomials (advanced)
- Find special products of binomials (basic)
- Find the absolute value of complex numbers
- Find the angle of complex numbers
- Find the dilation that maps a given figure to another (advanced)
- Find the dilation that maps a given figure to another (basic)
- Find the greatest common factor of two (or three) integers
- Find the missing number (add and subtract within 100)
- Find the missing number (addition and subtraction within 1000)
- Find the mistake in solving one-step equations
- Find the mistake in solving two-step equations
- Find the next term of a geometric sequence, given the first few terms
- Find the next term of an arithmetic sequence, given the first few terms
- Find the reflection that maps a given figure to another
- Find the translation that maps a given figure to another
- Finding 1 on the number line
- Finding absolute values
- Finding and interpreting key feature of quadratics
- Finding and interpreting key features of quadratics
- Finding angle measures 1
- Finding angle measures 2
- Finding antiderivatives
- Finding area by composing and decomposing shapes
- Finding area by multiplying
- Finding average rate of change
- Finding limits numerically
- Finding missing angles
- Finding percents
- Finding perimeter
- Finding probability
- Finding special products of binomials (advanced)
- Finding special products of binomials (basic)
- Finding taylor series
- Finding the constant of integration
- Fingers or Toes
- Finite geometric series word problems
- Fitting quadratic and exponential functions to scatter plots
- Five Times Ten to the Fifth
- Five is Alive!
- Flag Duty
- Fostering growth mindset
- Foundations
- Fraction-decimal intuition
- Fraction multiplication as scaling
- Fraction word problems 1
- Fractional exponents
- Fractional exponents 2
- Fractions Game Contest Winner
- Fractions Game Contestant
- Fractions as division by a multiple of 10
- Fractions cut and copy 1
- Fractions cut and copy 2
- Fractions greater than one
- Fractions on number line widget
- Fractions on the number line
- Frederick Douglass
- Friendly Hacker
- Full Timer
- Functions defined by integrals
- GCF and LCM word problems
- Galileo
- Geek of the week: mastery
- Geminid
- Generating input-output pairs of a function
- Geometric definitions
- Geometric transformations with matrix multiplication
- Geometry Math Mission
- Geometry problems on the coordinate plane
- Going Supersonic
- Going Transonic
- Gold Knowledge Games
- Golden Winston Leaderboard
- Good Answer
- Good Habits
- Good Inspiration
- Good Question
- Graph Quadratics: Standard form
- Graph from a standard form equation
- Graph from slope-intercept equation
- Graph quadratic functions in all forms
- Graph quadratic functions in standard form
- Graph quadratic functions in vertex form
- Graphically adding and subtracting vectors
- Graphically understanding solution methods to systems of equations
- Graphing circles
- Graphing circles 2
- Graphing inequalities and checking solutions
- Graphing linear equations
- Graphing linear functions word problems
- Graphing parabolas in all forms
- Graphing parabolas in standard form
- Graphing points
- Graphing points and naming quadrants
- Graphing proportional relationships
- Graphing solutions to two-variable linear equations
- Graphing systems of inequalities and checking solutions
- Graphs of absolute value functions
- Graphs of antiderivatives
- Graphs of exponential functions
- Graphs of exponentials and logarithms
- Graphs of functions and their derivatives
- Graphs of nonlinear piecewise functions
- Graphs of piecewise linear functions
- Graphs of piecewise nonlinear functions
- Graphs of polynomials
- Graphs of rational functions
- Graphs of sine and cosine
- Graphs of square root functions
- Graphs of trigonometric functions
- Great Answer
- Great Inspiration
- Great Listener
- Great Question
- Great Streak
- Group
- Groups of ten objects
- Growth Team
- Guardian (Badge)
- Guardian (User Type)
- Guru
- Guys how do you get the "you can learn anything badge" thats literally the only meteorite badge i need left.
- HTML/CSS: Making webpages
- HTML/JS: Making webpages interactive
- HTML/JS: Making webpages interactive with jQuery
- Halves and fourths
- Hang Ten
- Hard at Work
- Helen Keller
- Help
- Helpful Hopper
- Hematopoiesis
- Herculean
- High 5 Challenger
- High Five
- High school geometry Math Mission
- High school statistics and probability Math Mission
- Hopper
- Hot List
- Hour of Databases
- Hour of Drawing with Code
- Hour of Drawing with Code (2015)
- Hour of Drawing with Code Blocks
- Hour of Webpages
- How to become a tutor or teacher in khan academy
- Humanities-grammar-noun
- Hundreds, tens, and ones
- Hypatia
- Hypothesis testing in experiments
- ICC (Intermediate Coding Contest)
- I Beat Cam
- I am Satoshi Nakamoto
- Ideal circuit elements
- Ideal elements and sources
- Ideal sources
- Identify and analyze discontinuities of rational functions
- Identify and use the different forms of quadratic functions
- Identifying dependent and independent events
- Identifying factors and multiples
- Identifying numerators and denominators
- Identifying proportional relationships
- Identifying proportional relationships with graphs
- Identifying slope of a line
- Identifying supplementary, complementary, and vertical angles
- Identifying terms, factors, and coefficients in expressions
- Identifying unit fractions
- Impedance
- Impedance of simple networks
- Impedance vs frequency
- Implicit differentiation
- Improper integrals
- Increasing and decreasing intervals
- Incredible Answer
- Incredible Inspiration
- Incredible Question
- Incredible Teacher
- Independent probability
- Inductor equations
- Inductor i-v equation in action
- Inductor kickback (1 of 2)
- Inductor kickback (2 of 2)
- Inequalities in one variable 1
- Inequalities on a number line
- Inequality from graph
- Infinite geometric series
- Inscribed angles 1
- Inscribing and circumscribing circles on a triangle
- Inspiration
- Inspired 15 Minutes
- Integer addition and subtraction
- Integer addition and subtraction: equations and number lines
- Integer addition and subtraction: find the missing value
- Integer addition and subtraction: number line interpretation
- Integer addition and subtraction with substitution
- Integers on the number line
- Integral calculus Math Mission
- Integration and differentiation of power series
- Integration by parts
- Integration by the reverse chain rule
- Integration by u-substitution
- Integration of rational functions by division and partial fractions
- Integration using trigonometric identities
- Integration using trigonometric substitution
- Intercepts from a graph
- Intercepts from a linear equation
- Intercepts from a table
- Intern Summer 2019
- Interpret formulas of basic exponential functions
- Interpret the end behavior of modeling functions