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http://www.uen.org/7-12interactives/math.shtml

__Seventh Grade__

## Number theory

## Decimal numbers

## Operations with decimals

## Integers

## Operations with integers

## Fractions and mixed numbers

## Operations with fractions

## Rational numbers

## Exponents and square roots

## Ratios and proportions

## Percents

## Consumer math

## Problem solving and estimation

## Measurement

## Charts and graphs

## Geometry

## Transformations

## Pythagorean theorem

## Coordinate graphs

## Number sequences

## Variable expressions

## Single-variable equations

## Inequalities

## Linear functions

## Properties

## Probability

## Statistics

__Eighth Grade__

## Number theory

## Integers

## Operations with integers

## Rational numbers

## Operations with rational numbers

## Exponents and roots

## Scientific notation

## Ratios and proportions

## Proportional relationships

## Percents

## Consumer math

## Measurement

## Problem solving

## Charts and graphs

## Pythagorean theorem

## Coordinate graphs

## Geometry

## Transformations

## Number sequences

## Variable expressions

## Single-variable equations

## Linear functions

## Nonlinear functions

## Inequalities

## Monomials and polynomials

## Properties

## Probability

## Statistics

Here is a list of all of the skills students learn in seventh grade! The skills are organized into categories, 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!

- C.1 Add and subtract decimals
- C.2 Add and subtract decimals: word problems
- C.3 Multiply decimals
- C.4 Multiply decimals and whole numbers: word problems
- C.5 Divide decimals
- C.6 Divide decimals by whole numbers: word problems
- C.7 Estimate sums, differences, and products of decimals
- C.8 Add, subtract, multiply, and divide decimals: word problems
- C.9 Multi-step inequalities with decimals
- C.10 Maps with decimal distances
- C.11 Simplify expressions involving decimals

- E.1 Integer addition and subtraction rules
- E.2 Add and subtract integers using counters
- E.3 Add and subtract integers
- E.4 Complete addition and subtraction sentences with integers
- E.5 Add and subtract integers: word problems
- E.6 Integer multiplication and division rules
- E.7 Multiply and divide integers
- E.8 Complete multiplication and division sentences with integers
- E.9 Simplify expressions involving integers

- G.1 Add and subtract fractions
- G.2 Add and subtract fractions: word problems
- G.3 Add and subtract mixed numbers
- G.4 Add and subtract mixed numbers: word problems
- G.5 Inequalities with addition and subtraction of fractions and mixed numbers
- G.6 Estimate sums and differences of mixed numbers
- G.7 Multiply fractions
- G.8 Multiply fractions and whole numbers
- G.9 Multiply mixed numbers
- G.10 Multiply fractions and mixed numbers: word problems
- G.11 Divide fractions
- G.12 Divide mixed numbers
- G.13 Divide fractions and mixed numbers: word problems
- G.14 Estimate products and quotients of fractions and mixed numbers
- G.15 Add, subtract, multiply, and divide fractions and mixed numbers: word problems
- G.16 Maps with fractional distances

- I.1 Understanding exponents
- I.2 Evaluate exponents
- I.3 Exponents: solve for the variable
- I.4 Exponents with negative bases
- I.5 Exponents with decimal and fractional bases
- I.6 Understanding negative exponents
- I.7 Evaluate negative exponents
- I.8 Simplify expressions involving exponents
- I.9 Square roots of perfect squares
- I.10 Estimate square roots

- J.1 Understanding ratios
- J.2 Equivalent ratios
- J.3 Equivalent ratios: word problems
- J.4 Compare ratios: word problems
- J.5 Unit rates
- J.6 Do the ratios form a proportion?
- J.7 Do the ratios form a proportion: word problems
- J.8 Solve proportions
- J.9 Solve proportions: word problems
- J.10 Estimate population size using proportions
- J.11 Rate of change
- J.12 Constant rate of change
- J.13 Scale drawings and scale factors

- K.1 What percentage is illustrated?
- K.2 Convert between percents, fractions, and decimals
- K.3 Compare percents to fractions and decimals
- K.4 Estimate percents of numbers
- K.5 Percents of numbers and money amounts
- K.6 Percents of numbers: word problems
- K.7 Solve percent equations
- K.8 Solve percent equations: word problems
- K.9 Percent of change
- K.10 Percent of change: word problems

- L.1 Add, subtract, multiply, and divide money amounts: word problems
- L.2 Price lists
- L.3 Unit prices
- L.4 Unit prices with unit conversions
- L.5 Unit prices: find the total price
- L.6 Percent of a number: tax, discount, and more
- L.7 Find the percent: tax, discount, and more
- L.8 Sale prices: find the original price
- L.9 Multi-step problems with percents
- L.10 Estimate tips
- L.11 Simple interest
- L.12 Compound interest

- O.1 Interpret tables
- O.2 Interpret line plots
- O.3 Create line plots
- O.4 Interpret stem-and-leaf plots
- O.5 Interpret bar graphs
- O.6 Create bar graphs
- O.7 Interpret histograms
- O.8 Create histograms
- O.9 Create frequency charts
- O.10 Interpret circle graphs
- O.11 Circle graphs and central angles
- O.12 Interpret line graphs
- O.13 Create line graphs
- O.14 Interpret box-and-whisker plots
- O.15 Scatter plots
- O.16 Choose the best type of graph

- P.1 Lines, line segments, and rays
- P.2 Parallel, perpendicular, intersecting
- P.3 Name, measure, and classify angles
- P.4 Identify complementary, supplementary, vertical, adjacent, and congruent angles
- P.5 Find measures of complementary, supplementary, vertical, and adjacent angles
- P.6 Transversal of parallel lines
- P.7 Classify triangles
- P.8 Classify quadrilaterals
- P.9 Find missing angles in triangles and quadrilaterals
- P.10 Identify and classify polygons
- P.11 Interior angles of polygons
- P.12 Similar and congruent figures
- P.13 Similar figures: side lengths and angle measures
- P.14 Similar figures and indirect measurement
- P.15 Congruent figures: side lengths and angle measures
- P.16 Congruence statements and corresponding parts
- P.17 Perimeter
- P.18 Area of rectangles and parallelograms
- P.19 Area of triangles and trapezoids
- P.20 Area and perimeter: word problems
- P.21 Parts of a circle
- P.22 Circles: calculate area, circumference, radius, and diameter
- P.23 Circles: word problems
- P.24 Find lengths and measures of bisected lines and angles
- P.25 Front, side, and top view
- P.26 Names and bases of 3-dimensional figures
- P.27 Nets of 3-dimensional figures
- P.28 Surface area
- P.29 Volume
- P.30 Perimeter, area, and volume: changes in scale

- 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

- Z.1 Probability of simple events
- Z.2 Probability of opposite, mutually exclusive, and overlapping events
- Z.3 Experimental probability
- Z.4 Make predictions
- Z.5 Compound events: find the number of outcomes
- Z.6 Identify independent and dependent events
- Z.7 Probability of independent and dependent events
- Z.8 Factorials
- Z.9 Permutations
- Z.10 Combinations
- Z.11 Combination and permutation notation

Here is a list of all of the skills students learn in eighth grade! The skills are organized into categories, 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!

- C.1 Integer addition and subtraction rules
- C.2 Add and subtract integers using counters
- C.3 Add and subtract integers
- C.4 Add and subtract three or more integers
- C.5 Add and subtract integers: word problems
- C.6 Integer multiplication and division rules
- C.7 Multiply and divide integers
- C.8 Simplify expressions involving integers and absolute values
- C.9 Evaluate variable expressions with integers and absolute values

- E.1 Reciprocals and multiplicative inverses
- E.2 Add and subtract rational numbers
- E.3 Add and subtract rational numbers: word problems
- E.4 Multiply and divide rational numbers
- E.5 Multiply and divide rational numbers: word problems
- E.6 Simplify expressions involving rational numbers
- E.7 Evaluate variable expressions involving rational numbers

- F.1 Understanding exponents
- F.2 Evaluate exponents
- F.3 Exponents: solve for the variable
- F.4 Exponents with negative bases
- F.5 Exponents with decimal and fractional bases
- F.6 Understanding negative exponents
- F.7 Evaluate negative exponents
- F.8 Multiplication with exponents
- F.9 Division with exponents
- F.10 Multiplication and division with exponents
- F.11 Power rule
- F.12 Simplify expressions involving exponents
- F.13 Square roots of perfect squares
- F.14 Positive and negative square roots
- F.15 Estimate positive and negative square roots
- F.16 Relationship between squares and square roots
- F.17 Evaluate variable expressions involving squares and square roots
- F.18 Cube roots of perfect cubes
- F.19 Estimate cube roots

- H.1 Understanding ratios
- H.2 Equivalent ratios
- H.3 Equivalent ratios: word problems
- H.4 Compare ratios: word problems
- H.5 Unit rates
- H.6 Do the ratios form a proportion?
- H.7 Do the ratios form a proportion: word problems
- H.8 Solve proportions
- H.9 Solve proportions: word problems
- H.10 Estimate population size using proportions
- H.11 Rate of change
- H.12 Constant rate of change
- H.13 Scale drawings and scale factors

- J.1 Convert between percents, fractions, and decimals
- J.2 Compare percents to fractions and decimals
- J.3 Find what percent one number is of another
- J.4 Find what percent one number is of another: word problems
- J.5 Estimate percents of numbers
- J.6 Percents of numbers and money amounts
- J.7 Percents of numbers: word problems
- J.8 Compare percents of numbers
- J.9 Solve percent equations
- J.10 Percent of change
- J.11 Percent of change: word problems

- K.1 Price lists
- K.2 Unit prices
- K.3 Unit prices with unit conversions
- K.4 Unit prices: find the total price
- K.5 Percent of a number: tax, discount, and more
- K.6 Find the percent: tax, discount, and more
- K.7 Sale prices: find the original price
- K.8 Multi-step problems with percents
- K.9 Estimate tips
- K.10 Simple interest
- K.11 Compound interest

- N.1 Interpret tables
- N.2 Interpret bar graphs
- N.3 Create bar graphs
- N.4 Interpret line graphs
- N.5 Create line graphs
- N.6 Interpret line plots
- N.7 Create line plots
- N.8 Interpret stem-and-leaf plots
- N.9 Interpret histograms
- N.10 Create histograms
- N.11 Create frequency charts
- N.12 Interpret box-and-whisker plots
- N.13 Scatter plots
- N.14 Interpret circle graphs
- N.15 Circle graphs and central angles
- N.16 Choose the best type of graph

- Q.1 Identify complementary, supplementary, vertical, adjacent, and congruent angles
- Q.2 Find measures of complementary, supplementary, vertical, and adjacent angles
- Q.3 Transversal of parallel lines
- Q.4 Classify triangles
- Q.5 Classify quadrilaterals
- Q.6 Find missing angles in triangles and quadrilaterals
- Q.7 Identify and classify polygons
- Q.8 Interior angles of polygons
- Q.9 Similar and congruent figures
- Q.10 Similar figures: side lengths and angle measures
- Q.11 Congruent figures: side lengths and angle measures
- Q.12 Congruence statements and corresponding parts
- Q.13 Congruent triangles: SSS, SAS, and ASA
- Q.14 Perimeter
- Q.15 Area
- Q.16 Area and perimeter: word problems
- Q.17 Parts of a circle
- Q.18 Circles: calculate area, circumference, radius, and diameter
- Q.19 Circles: word problems
- Q.20 Find lengths and measures of bisected lines and angles
- Q.21 Front, side, and top view
- Q.22 Base plans
- Q.23 Names and parts of 3-dimensional figures
- Q.24 Nets of 3-dimensional figures
- Q.25 Surface area of prisms and cylinders
- Q.26 Surface area of pyramids and cones
- Q.27 Volume of prisms and cylinders
- Q.28 Volume of pyramids and cones
- Q.29 Volume and surface area of spheres
- Q.30 Similar solids
- Q.31 Volume and surface area of similar solids
- Q.32 Perimeter, area, and volume: changes in scale

- R.1 Identify reflections, rotations, and translations
- R.2 Translations: graph the image
- R.3 Translations: find the coordinates
- R.4 Reflections: graph the image
- R.5 Reflections: find the coordinates
- R.6 Rotations: graph the image
- R.7 Rotations: find the coordinates
- R.8 Dilations: graph the image
- R.9 Dilations: find the coordinates
- R.10 Dilations: scale factor and classification
- R.11 Symmetry

- 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

- Y.1 Identify monomials
- Y.2 Model polynomials with algebra tiles
- Y.3 Add and subtract polynomials using algebra tiles
- Y.4 Add and subtract polynomials
- Y.5 Add polynomials to find perimeter
- Y.6 Multiply monomials
- Y.7 Divide monomials
- Y.8 Multiply and divide monomials
- Y.9 Powers of monomials
- Y.10 Square and cube roots of monomials
- Y.11 Multiply polynomials using algebra tiles
- Y.12 Multiply polynomials
- Y.13 Multiply polynomials to find area

- AA.1 Probability of simple events
- AA.2 Probability of opposite, mutually exclusive, and overlapping events
- AA.3 Experimental probability
- AA.4 Make predictions
- AA.5 Compound events: find the number of outcomes
- AA.6 Identify independent and dependent events
- AA.7 Probability of independent and dependent events
- AA.8 Factorials
- AA.9 Permutations
- AA.10 Combinations
- AA.11 Combination and permutation notation

- BB.1 Calculate mean, median, mode, and range
- BB.2 Interpret charts to find mean, median, mode, and range
- BB.3 Mean, median, mode, and range: find the missing number
- BB.4 Changes in mean, median, mode, and range
- BB.5 Quartiles
- BB.6 Identify representative, random, and biased samples

- B.1 Add, subtract, multiply, and divide integers
- B.2 Order of operations with integers
- B.3 Evaluate variable expressions involving integers
- B.4 Add and subtract rational numbers
- B.5 Multiply and divide rational numbers
- B.6 Order of operations with rational numbers
- B.7 Evaluate variable expressions involving rational numbers
- F.1 Perimeter
- F.2 Area
- F.3 Volume
- F.4 Surface area
- F.5 Similar figures: side lengths and angle measures
- F.6 Similar triangles and indirect measurement
- F.7 Dilations and scale factors
- F.8 Area and perimeter of similar figures
- F.9 Similar solids
- F.10 Volume and surface area of similar solids
- F.11 Perimeter, area, and volume: changes in scale
- F.12 Pythagorean theorem
- F.13 Pythagorean theorem: word problems
- F.14 Converse of the Pythagorean theorem: is it a right triangle?
- F.15 Special right triangles
- 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
- K.1 Graph inequalities
- K.2 Write inequalities from graphs
- K.3 Identify solutions to inequalities
- K.4 Solve one-step linear inequalities: addition and subtraction
- K.5 Solve one-step linear inequalities: multiplication and division
- K.6 Solve one-step linear inequalities
- K.7 Graph solutions to one-step linear inequalities
- K.8 Solve two-step linear inequalities
- K.9 Graph solutions to two-step linear inequalities
- K.10 Solve advanced linear inequalities
- K.11 Graph solutions to advanced linear inequalities
- K.12 Graph compound inequalities
- K.13 Write compound inequalities from graphs
- K.14 Solve compound inequalities
- K.15 Graph solutions to compound inequalities
- 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
- 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
- Z.1 Polynomial vocabulary
- Z.2 Model polynomials with algebra tiles
- Z.3 Add and subtract polynomials using algebra tiles
- Z.4 Add and subtract polynomials
- Z.5 Add polynomials to find perimeter
- Z.6 Multiply a polynomial by a monomial
- Z.7 Multiply two polynomials using algebra tiles
- Z.8 Multiply two binomials
- Z.9 Multiply two binomials: special cases
- Z.10 Multiply polynomials
- 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.5 Complete the square
- 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

Here is a list of all of the skills students learn in Algebra! The skills are organized into categories, 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!

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