Here is a list of all of the skills that cover functions and equations! The skills are organized by grade, and you can move your mouse over any skill name to see a sample question. To start practicing, just click on any link. IXL will track your score, and the questions will even increase in difficulty as you improve!
Second-grade skills
See all 211 skills in second grade >>
- E.7 Addition input/output tables - sums to 20
- F.7 Subtraction input/output tables - up to 18
- G.7 Addition input/output tables - up to two digits
- H.7 Subtraction input/output tables - up to two digits
- I.3 Addition input/output tables - up to three digits
- J.3 Subtraction input/output tables - up to three digits
- L.5 Input/output tables - write the rule - up to 20
- L.10 Input/output tables - write the rule - up to 100
Third-grade skills
See all 213 skills in third grade >>
- C.2 Addition input/output tables - up to three digits
- C.10 Addition input/output tables - four or more digits
- D.2 Subtraction input/output tables - up to three digits
- D.8 Subtraction input/output tables - four or more digits
- E.13 Multiplication input/output tables
- G.11 Division input/output tables
- K.1 Identify equations
- K.2 Solve for the variable - addition and subtraction only
- K.3 Solve for the variable - with multiplication and division
- K.4 Write variable equations to represent word problems
Sixth-grade skills
See all 266 skills in sixth grade >>
- I.9 Add and subtract integers - input/output tables
- P.3 Solve word problems involving two-variable equations
- P.5 Solve one-step equations with whole numbers
- P.6 Solve one-step equations involving decimals, fractions, and mixed numbers
- P.8 Solve two-step equations
- P.9 Complete a function table and write an equation
- P.10 Write linear functions
- P.12 Solve equations involving integers
- P.13 Does (x, y) satisfy an equation?
- P.17 Solve equations involving like terms
- Q.4 Find points on a function graph
- Q.5 Write the linear function shown in a graph
- Q.6 Graph linear functions
- Q.8 Identify linear and nonlinear functions
Seventh-grade skills
See all 248 skills in seventh grade >>
- V.1 Does x satisfy the equation?
- V.2 Model and solve equations using algebra tiles
- V.3 Solve one-step linear equations
- V.4 Solve two-step linear equations
- V.5 Solve equations involving like terms
- X.1 Identify proportional relationships
- X.2 Find the constant of variation
- X.3 Does (x, y) satisfy the equation?
- X.4 Evaluate a function
- X.5 Complete a function table
- X.6 Write a rule for a function table
- X.7 Find points on a function graph
- X.8 Graph a line from a function table
- X.9 Graph a line from an equation
- X.10 Linear function word problems
- X.11 Find the slope of a graph
- X.12 Find slope from two points
- X.13 Find slope from an equation
- X.14 Graph a line using slope
- X.15 Identify linear and nonlinear functions
- Y.4 Solve equations using properties
Eighth-grade skills
See all 255 skills in eighth grade >>
- I.1 Identify proportional relationships
- I.2 Find the constant of variation: graphs
- I.3 Find the constant of variation: word problems
- I.4 Graph a proportional relationship
- I.5 Write an equation for a proportional relationship
- I.6 Proportional relationships: word problems
- U.1 Does x satisfy the equation?
- U.2 Model and solve equations using algebra tiles
- U.3 Write and solve equations that represent diagrams
- U.4 Solve one-step linear equations
- U.5 Solve two-step linear equations
- U.6 Solve equations involving squares and square roots
- U.7 Solve multi-step equations
- U.8 Solve equations involving like terms
- V.1 Does (x, y) satisfy the linear equation?
- V.2 Evaluate a linear function
- V.3 Complete a function table
- V.4 Write a rule for a function table
- V.5 Find points on a function graph
- V.6 Graph a line from a function table
- V.7 Graph a line from an equation
- V.8 Linear function word problems
- V.9 Find the slope of a graph
- V.10 Find slope from two points
- V.11 Find slope from an equation
- V.12 Graph a line using slope
- V.13 Slopes of parallel and perpendicular lines
- W.1 Identify linear and nonlinear functions
- W.2 Does (x, y) satisfy a nonlinear equation?
- W.3 Evaluate a nonlinear function
Algebra skills
See all 258 skills in Algebra >>
- I.3 Write variable equations
- I.4 Does x satisfy the equation?
- I.5 Find solutions from a replacement set
- I.6 Solve equations using order of operations
- J.1 Model and solve equations using algebra tiles
- J.2 Write and solve equations that represent diagrams
- J.3 Solve one-step linear equations
- J.4 Solve two-step linear equations
- J.5 Solve advanced linear equations
- J.6 Solve equations with variables on both sides
- J.7 Identities and equations with no solutions
- J.8 Solve linear equations: word problems
- J.9 Solve linear equations: mixed review
- L.1 Solve absolute value equations
- L.2 Graph solutions to absolute value equations
- L.3 Solve absolute value inequalities
- L.4 Graph solutions to absolute value inequalities
- N.7 Scatter plots: line of best fit
- O.4 Rate of travel: word problems
- O.5 Weighted averages: word problems
- Q.1 Relations: convert between tables, graphs, mappings, and lists of points
- Q.2 Domain and range of relations
- Q.3 Identify independent and dependent variables
- Q.4 Identify functions
- Q.5 Identify functions: vertical line test
- Q.6 Complete a function table
- Q.7 Evaluate function rules I
- Q.8 Evaluate function rules II
- Q.9 Graph a function
- Q.10 Write a function rule: word problems
- Q.11 Find points on a function graph
- Q.12 Write a rule for a function table
- R.1 Identify proportional relationships
- R.2 Find the constant of variation
- R.3 Graph a proportional relationship
- R.4 Write direct variation equations
- R.5 Write and solve direct variation equations
- R.6 Identify direct variation and inverse variation
- R.7 Write inverse variation equations
- R.8 Write and solve inverse variation equations
- S.1 Identify linear functions
- S.2 Find the slope of a graph
- S.3 Find slope from two points
- S.4 Slope-intercept form: find slope and y-intercept
- S.5 Slope-intercept form: graph an equation
- S.6 Slope-intercept form: write an equation from a graph
- S.7 Slope-intercept form: write an equation
- S.8 Linear function word problems
- S.9 Write equations in standard form
- S.10 Standard form: find x- and y-intercepts
- S.11 Standard form: graph an equation
- S.12 Equations of horizontal and vertical lines
- S.13 Graph a horizontal or vertical line
- S.14 Point-slope form: graph an equation
- S.15 Point-slope form: write an equation from a graph
- S.16 Point-slope form: write an equation
- S.17 Slopes of parallel and perpendicular lines
- S.18 Write an equation for a parallel or perpendicular line
- U.1 Is (x, y) a solution to the system of equations?
- U.2 Solve a system of equations by graphing
- U.3 Solve a system of equations by graphing: word problems
- U.4 Find the number of solutions to a system of equations by graphing
- U.5 Find the number of solutions to a system of equations
- U.6 Classify a system of equations by graphing
- U.7 Classify a system of equations
- U.8 Solve a system of equations using substitution
- U.9 Solve a system of equations using substitution: word problems
- U.10 Solve a system of equations using elimination
- U.11 Solve a system of equations using elimination: word problems
- U.12 Solve a system of equations using augmented matrices
- U.13 Solve a system of equations using augmented matrices: word problems
- U.14 Solve a system of equations using any method
- U.15 Solve a system of equations using any method: word problems
- X.1 Evaluate an exponential function
- X.2 Match exponential functions and graphs
- BB.1 Characteristics of quadratic functions
- BB.2 Solve a quadratic equation using square roots
- BB.3 Solve an equation using the zero product property
- BB.4 Solve a quadratic equation by factoring
- BB.6 Solve a quadratic equation by completing the square
- BB.7 Solve a quadratic equation using the quadratic formula
- BB.8 Using the discriminant
- CC.1 Identify linear, quadratic, and exponential functions from graphs
- CC.2 Identify linear, quadratic, and exponential functions from tables
- CC.3 Write linear, quadratic, and exponential functions
- DD.1 Complete a function table: absolute value functions
- DD.2 Domain and range of absolute value functions
- DD.3 Graph an absolute value function
- FF.1 Evaluate a radical function
- FF.2 Domain and range of radical functions
- FF.3 Solve radical equations I
- FF.4 Solve radical equations II
- GG.1 Rational functions: asymptotes and excluded values
- GG.7 Solve rational equations
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