Algebra 1
Master solving systems of equations by graphing, substitution, and elimination, enhancing critical thinking and problem-solving skills in engaging, real-world scenarios.
200+ videos and assessments
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VIDEOS

Systems of equations: trolls, tolls (1 of 2)
Khan Academy
•6th - 10th Grade
•10 Qs

Systems of equations: trolls, tolls (2 of 2)
Khan Academy
•6th - 10th Grade
•10 Qs

Systems of equations with graphing: y=7/5x-5 & y=3/5x-1
Khan Academy
•7th - 10th Grade
•10 Qs

Testing a solution to a system of equations
Khan Academy
•6th - 10th Grade
•10 Qs

Setting up a system of equations from context example (pet weights)
Khan Academy
•6th - 8th Grade
•10 Qs

Systems of equations with graphing: exact & approximate solutions
Khan Academy
•9th - 10th Grade
•10 Qs

Setting up a system of linear equations example (weight and price)
Khan Academy
•6th - 8th Grade
•10 Qs

Interpreting points in context of graphs of systems
Khan Academy
•8th - 10th Grade
•10 Qs
VIDEOS

Systems of equations with elimination: King's cupcakes
Khan Academy
•6th - 10th Grade
•10 Qs

Systems of equations with elimination: x-4y=-18 & -x+3y=11
Khan Academy
•6th - 8th Grade
•10 Qs

Elimination strategies
Khan Academy
•8th - 10th Grade
•10 Qs

Systems of equations with elimination: potato chips
Khan Academy
•6th - 10th Grade
•10 Qs

Systems of equations with elimination (and manipulation)
Khan Academy
•8th - 12th Grade
•10 Qs
VIDEOS

Why can we subtract one equation from the other in a system of equations?
Khan Academy
•5th - 8th Grade
•10 Qs

Worked example: equivalent systems of equations
Khan Academy
•7th - 10th Grade
•10 Qs

Worked example: non-equivalent systems of equations
Khan Academy
•8th - 10th Grade
•10 Qs

Reasoning with systems of equations
Khan Academy
•8th - 12th Grade
•10 Qs
VIDEOS

Systems of equations number of solutions: fruit prices (1 of 2)
Khan Academy
•7th - 10th Grade
•10 Qs

Systems of equations number of solutions: fruit prices (2 of 2)
Khan Academy
•9th - 10th Grade
•10 Qs

Solutions to systems of equations: consistent vs. inconsistent
Khan Academy
•7th - 10th Grade
•10 Qs

Number of solutions to a system of equations
Khan Academy
•7th - 10th Grade
•10 Qs

Number of solutions to a system of equations graphically
Khan Academy
•7th - 10th Grade
•10 Qs

Solutions to systems of equations: dependent vs. independent
Khan Academy
•8th - 10th Grade
•10 Qs

Number of solutions to a system of equations algebraically
Khan Academy
•8th - 12th Grade
•10 Qs

How many solutions does a system of linear equations have if there are at least two?
Khan Academy
•7th - 10th Grade
•10 Qs
VIDEOS

Age word problem: Imran
Khan Academy
•4th - 6th Grade
•10 Qs

Age word problem: Ben & William
Khan Academy
•6th - 8th Grade
•10 Qs

Age word problem: Arman & Diya
Khan Academy
•5th - 8th Grade
•10 Qs

System of equations word problem: walk & ride
Khan Academy
•6th - 8th Grade
•10 Qs

System of equations word problem: infinite solutions
Khan Academy
•7th - 10th Grade
•10 Qs

System of equations word problem: no solution
Khan Academy
•6th - 8th Grade
•10 Qs

Systems of equations with elimination: TV & DVD
Khan Academy
•6th - 10th Grade
•10 Qs

Systems of equations with substitution: coins
Khan Academy
•5th - 8th Grade
•10 Qs

Systems of equations with elimination: apples and oranges
Khan Academy
•6th - 10th Grade
•10 Qs

Systems of equations with elimination: coffee and croissants
Khan Academy
•7th - 10th Grade
•10 Qs