Algebra 1 (FL B.E.S.T.)
13 units279 videos24 hours
Learn it live with a class on Puzzicle · Teachers: use it with your class
Unit 1: Solving equations & inequalities
Writing & solving equations
Linear equations with unknown coefficients
Writing & solving inequalities
Unit 2: Analyzing linear functions
Graphing from slope
x-intercepts and y-intercepts
Using slope and intercepts in context
Finding key features of linear functions
Graphing linear functions
Unit 3: Forms of linear functions, scatter plots, & lines of fit
Slope-intercept review
Writing slope-intercept equations
Point-slope form
Standard from
Linear functions in any form
Comparing linear functions
Comparing linear functions: equation vs. graph ✓ Check-ins2:23
Comparing linear functions: same rate of change ✓ Check-ins2:36
Comparing linear functions: faster rate of change ✓ Check-ins3:40
Comparing linear functions word problem: climb ✓ Check-ins4:44
Comparing linear functions word problem: walk ✓ Check-ins3:44
Comparing linear functions word problem: work ✓ Check-ins3:46
Equations of parallel & perpendicular lines
Parallel lines from equation ✓ Check-ins3:48
Parallel lines from equation (example 2) ✓ Check-ins3:03
Parallel lines from equation (example 3) ✓ Check-ins2:42
Perpendicular lines from equation ✓ Check-ins3:29
Writing equations of perpendicular lines ✓ Check-ins3:01
Writing equations of perpendicular lines (example 2) ✓ Check-ins1:45
Proof: parallel lines have the same slope ✓ Check-ins5:49
Proof: perpendicular lines have opposite reciprocal slopes ✓ Check-ins8:55
Interpreting direction in scatterplots
Fitting trend lines to scatterplots
Interpreting slope and intercept of a linear model
Analyzing trend lines with residuals
Unit 4: Systems of equations
Solutions of systems & graphing
Systems of equations: trolls, tolls (1 of 2) ✓ Check-ins6:51
Systems of equations: trolls, tolls (2 of 2) ✓ Check-ins5:41
Testing a solution to a system of equations ✓ Check-ins2:38
Systems of equations with graphing: y=7/5x-5 & y=3/5x-1 ✓ Check-ins2:22
Systems of equations with graphing: exact & approximate solutions ✓ Check-ins5:56
Systems in context
Substitution
Elimination
Systems of equations with elimination: King's cupcakes ✓ Check-ins9:00
Elimination strategies ✓ Check-ins7:16
Systems of equations with elimination: x-4y=-18 & -x+3y=11 ✓ Check-ins5:59
Systems of equations with elimination: potato chips ✓ Check-ins9:21
Systems of equations with elimination (and manipulation) ✓ Check-ins12:01
Applying systems of equations
Age word problem: Imran ✓ Check-ins3:43
Age word problem: Ben & William ✓ Check-ins6:28
Age word problem: Arman & Diya ✓ Check-ins5:21
System of equations word problem: walk & ride ✓ Check-ins7:00
System of equations word problem: no solution ✓ Check-ins5:03
System of equations word problem: infinite solutions ✓ Check-ins5:01
Systems of equations with elimination: TV & DVD ✓ Check-ins5:51
Systems of equations with elimination: apples and oranges ✓ Check-ins5:06
Systems of equations with substitution: coins ✓ Check-ins5:58
Systems of equations with elimination: coffee and croissants ✓ Check-ins4:15
Unit 5: Inequalities (graphs & systems)
Solutions of two-variable inequalities
Graphs of two-variable inequalities
Systems of inequalities
Modeling with linear inequalities
Writing two-variable inequalities word problem ✓ Check-ins2:22
Solving two-variable inequalities word problem ✓ Check-ins3:42
Interpreting two-variable inequalities word problem ✓ Check-ins4:20
Modeling with systems of inequalities ✓ Check-ins9:45
Writing systems of inequalities word problem ✓ Check-ins4:00
Solving systems of inequalities word problem ✓ Check-ins4:25
Graphs of systems of inequalities word problem ✓ Check-ins3:35
Graphs of two-variable inequalities word problem ✓ Check-ins4:59
Unit 6: Functions & absolute value
Evaluating functions
Interpreting function notation
Domain of a function in context
Average rate of change
Introduction to average rate of change ✓ Check-ins5:32
Worked example: average rate of change from graph ✓ Check-ins2:15
Worked example: average rate of change from table ✓ Check-ins2:20
Average rate of change word problem: table ✓ Check-ins3:40
Average rate of change word problem: graph ✓ Check-ins6:58
Finding average rate of change of polynomials ✓ Check-ins4:01
Sign of average rate of change of polynomials ✓ Check-ins5:36
Graphs of absolute value functions
Solving absolute value equations
Unit 7: Exponents & roots
Exponent properties review
Rational exponents
Properties of exponents (rational exponents)
Evaluating exponents & radicals
Equivalent forms of exponential expressions
Rewriting expressions with radicals
Unit 8: Exponential functions & finance
Exponential vs. linear growth
Exponential expressions
Graphs of exponential growth
Exponential growth & decay
Change in exponential functions
Exponential functions from tables & graphs
Writing exponential functions ✓ Check-ins1:40
Writing exponential functions from tables ✓ Check-ins5:17
Writing exponential functions from graphs ✓ Check-ins7:25
Analyzing tables of exponential functions ✓ Check-ins7:20
Analyzing graphs of exponential functions ✓ Check-ins4:06
Analyzing graphs of exponential functions: negative initial value ✓ Check-ins6:07
Modeling with basic exponential functions word problem ✓ Check-ins5:37
Exponential vs. linear models
Simple interest
Unit 9: Polynomials: adding & multiplying
Intro to polynomials
Adding & subtracting polynomials
Multiplying monomials by polynomials
Multiplying binomials
Special products of binomials
Multiplying binomials by polynomials
Unit 10: Polynomials: factoring & dividing
Factors & divisibility
Factoring quadratics intro
Factoring quadratics by grouping
Factoring quadratics with difference of squares
Factoring quadratics with perfect squares
Perfect square factorization intro ✓ Check-ins5:19
Factoring perfect squares ✓ Check-ins4:54
Identifying perfect square form ✓ Check-ins4:37
Factoring perfect squares: negative common factor ✓ Check-ins3:52
Factoring perfect squares: missing values ✓ Check-ins2:39
Factoring perfect squares: shared factors ✓ Check-ins4:26
Strategy in factoring quadratics
Unit 11: Quadratic functions & equations intro
Quadratic functions intro
Factored form of quadratic functions
Solving quadratic equations: square root
Unit 12: More on quadratic functions & equations
Vertex form of quadratic functions
Completing the square intro
More on completing the square
Solve by completing the square: Integer solutions ✓ Check-ins6:29
Solve by completing the square: Non-integer solutions ✓ Check-ins4:02
Worked example: completing the square (leading coefficient ≠ 1) ✓ Check-ins5:44
Solving quadratics by completing the square: no solution ✓ Check-ins5:24
Proof of the quadratic formula ✓ Check-ins7:44
Solving with the quadratic formula
Strategizing to solve quadratic equations
Standard form of quadratic functions
Features & forms of quadratic functions: strategy
Analyzing & graphing quadratic functions
Unit 13: Data analysis & displays
Types of data
Mean & median in data displays
Comparing data displays
Describing the distribution of a numerical variable
Types of studies: correlation and causation
Two-way tables intro
Two-way tables: distributions & interpreting
Learn this with a class
With a class on Puzzicle this course runs as a timetable of live study parties: your batch watches together and answers the check-ins, sometimes with a teacher leading.
Course content © Khan Academy, used under CC BY-NC-SA. See this course on Khan Academy.