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IXL LearningJoin nowSign inMembershipIXL LearningLearningMathSkillsLessonsVideosGamesFluency ZoneNew!Language artsSkillsVideosGamesScienceSocial studiesSpanishRecommendationsRecommendations wallSkill plansIXL plansTextbooksTest prepAwardsStudent awardsAssessmentAnalyticsTakeoffInspirationSkillsLessonsVideosGamesFluency ZoneSkillsVideosGamesScienceSocial studiesSpanishRecommendationsIXL plansTextbooksTest prepAwardsAssessmentAnalyticsTakeoffInspirationSign inMath MathLanguage arts Language artsScience ScienceSocial studies Social studiesSpanish SpanishRecommendations RecommendationsSkill plans Skill plansIXL plansTextbooksTest prepAwards Awards365 skills72 lessons347 videosRecommendations wallskill planRecommendations wallskill planUnderstanding integersIntegers on number linesGraph integers on horizontal and vertical number linesUnderstanding absolute valueAbsolute value and opposite integersQuantities that combine to zero: word problemsCompare and order integersInteger inequalities with absolute valuesAdd integers using countersAdd integers using number linesInteger addition rulesAdd integersAdd three or more integersSubtract integers using countersSubtract integers using number linesInteger subtraction rulesSubtract integersInteger addition and subtraction rulesAdd and subtract integers using countersAdd and subtract integersComplete addition and subtraction equations with integersAdd and subtract integers: word problemsUnderstand multiplying by a negative integer using a number lineInteger multiplication rulesMultiply integersInteger division rulesEqual quotients of integersDivide integersInteger multiplication and division rulesMultiply and divide integersComplete multiplication and division equations with integersAdd, subtract, multiply, and divide integersEvaluate numerical expressions involving integersDecimal numbers reviewCompare and order decimalsRound decimalsAdd and subtract decimalsAdd and subtract decimals: word problemsMultiply decimalsMultiply decimals and whole numbers: word problemsDivide decimalsDivide decimals by whole numbers: word problemsEstimate sums, differences, and products of decimalsAdd, subtract, multiply, or divide two decimalsAdd, subtract, multiply, and divide decimals: word problemsMulti-step inequalities with decimalsMaps with decimal distancesEvaluate numerical expressions involving decimalsPrime factorizationGreatest common factorLeast common multipleGCF and LCM: word problemsUnderstanding fractions: word problemsEquivalent fractionsWrite fractions in lowest termsFractions: word problems with graphs and tablesLeast common denominatorCompare and order fractionsCompare fractions: word problemsConvert between mixed numbers and improper fractionsCompare mixed numbers and improper fractionsRound mixed numbersAdd and subtract fractionsAdd and subtract fractions: word problemsAdd and subtract mixed numbersAdd and subtract mixed numbers: word problemsInequalities with addition and subtraction of fractions and mixed numbersEstimate sums and differences of mixed numbersMultiply two fractions using modelsMultiply fractionsMultiply mixed numbersMultiply fractions and mixed numbers: word problemsMultiplicative inversesDivide fractionsDivide mixed numbersDivide fractions and mixed numbers: word problemsEstimate products and quotients of fractions and mixed numbersAdd, subtract, multiply, and divide fractions and mixed numbers: word problemsMaps with fractional distancesEvaluate numerical expressions involving fractionsConvert fractions or mixed numbers to decimalsConvert decimals to fractions or mixed numbersConvert between decimals and fractions or mixed numbersIdentify rational numbersClassify rational numbers using a diagramClassify rational numbersAbsolute value of rational numbersRational numbers: find the signCompare rational numbersPut rational numbers in orderClassify real numbersAdd and subtract positive and negative decimalsAdd and subtract positive and negative fractionsAdd and subtract rational numbersApply addition and subtraction rulesIdentify quotients of rational numbers: word problemsMultiply and divide positive and negative decimalsMultiply and divide positive and negative fractionsMultiply and divide rational numbersApply multiplication and division rulesAdd, subtract, multiply, and divide rational numbersMulti-step word problems with positive rational numbersCheckpoint: Add and subtract rational numbersCheckpoint: Multiply and divide rational numbersCheckpoint: Problem solving with rational numbersUnderstanding exponentsEvaluate powersSolve equations with variable exponentsPowers with negative basesPowers with decimal and fractional basesPowers of tenEvaluate numerical expressions involving exponentsScientific notationCompare numbers written in scientific notationSquare roots of perfect squaresEstimate square rootsUnderstanding ratiosIdentify equivalent ratiosWrite an equivalent ratioEquivalent ratios: word problemsUnit ratesCalculate unit rates with fractionsSolve word problems using unit ratesCompare ratios: word problemsCompare rates: word problemsDo the ratios form a proportion?Do the ratios form a proportion: word problemsSolve proportionsSolve proportions: word problemsEstimate population size using proportionsCoordinate plane reviewQuadrants and axesFollow directions on a coordinate planeDistance between two pointsFind the constant of proportionality from a tableWrite equations for proportional relationships from tablesIdentify proportional relationships by graphingFind the constant of proportionality from a graphWrite equations for proportional relationships from graphsIdentify proportional relationships from graphs and equationsIdentify proportional relationships from tablesComplete a table and graph a proportional relationshipGraph a proportional relationship: word problemsInterpret graphs of proportional relationshipsWrite and solve equations for proportional relationshipsCheckpoint: Proportional relationshipsWhat percentage is illustrated?Convert between percents, fractions, and decimalsCompare percents to fractions and decimalsEstimate percents of numbersSolve percent problems using strip modelsPercents of numbers and money amountsPercents of numbers: word problemsSolve percent equationsSolve percent equations: word problemsPercent of changePercent of change: word problemsPercent of change: find the original amount word problemsPercent error: word problemsAdd, subtract, multiply, and divide money amounts: word problemsPrice listsUnit pricesUnit prices with unit conversionsUnit prices: find the total pricePercent of a number: tax, discount, and moreWhich is the better coupon?Find the percent: tax, discount, and moreSale prices: find the original priceMulti-step problems with percentsEstimate tipsSimple interestCompound interestCheckpoint: Unit rates, ratios, and percentsCompare and convert customary unitsMixed customary unitsCompare and convert metric unitsConvert between customary and metric systemsCelsius and Fahrenheit temperaturesWrite variable expressions: one operationWrite variable expressions: two or three operationsWrite variable expressions: word problemsEvaluate linear expressionsEvaluate multi-variable expressionsEvaluate absolute value expressionsEvaluate nonlinear expressionsIdentify terms and coefficientsSort factors of variable expressionsProperties of addition and multiplicationSimplify expressions by combining like terms: with algebra tilesSimplify expressions by combining like termsMultiply using the distributive property: area modelsMultiply using the distributive propertyWrite equivalent expressions using propertiesAdd and subtract linear expressionsAdd and subtract like terms: with exponentsFactor linear expressions: area modelsFactors of linear expressionsIdentify equivalent linear expressions using algebra tilesIdentify equivalent linear expressions IIdentify equivalent linear expressions IIIdentify equivalent linear expressions: word problemsCheckpoint: Linear expressionsWhich x satisfies an equation?Write an equation from wordsSolve equations using propertiesModel and solve equations using algebra tilesWrite and solve equations that represent diagramsSolve one-step equationsSolve one-step equations with decimals and fractionsSolve two-step equations without parenthesesSolve two-step equations with parenthesesSolve two-step equationsSolve two-step equations with fractionsChoose two-step equations: word problemsSolve two-step equations: word problemsSolve equations involving like termsSolve equations: complete the solutionCheckpoint: Solve two-step equationsSolutions to inequalitiesGraph inequalities on number linesWrite inequalities from number linesSolve one-step inequalitiesGraph solutions to one-step inequalitiesOne-step inequalities: word problemsSolve two-step inequalitiesGraph solutions to two-step inequalitiesCheckpoint: Solve one-step inequalitiesCheckpoint: Solve two-step inequalitiesIdentify arithmetic and geometric sequencesArithmetic sequencesGeometric sequencesSequences: mixed reviewSequences: word problemsEvaluate variable expressions for sequencesWrite variable expressions for arithmetic sequencesFind the slope from a graphFind the slope from two pointsFind a missing coordinate using slopeGraph a line using slopeConstant rate of change: tablesConstant rate of change: graphsRate of change: tablesRate of change: graphsIdentify independent and dependent variablesFind a value using two-variable equationsEvaluate two-variable equations: word problemsComplete a table for a two-variable relationshipWrite a two-variable equationIdentify the graph of an equationGraph a two-variable equationInterpret a graph: word problemsWrite an equation from a graph using a tableWrite a linear equation from a graphName, measure, and classify anglesLines, line segments, and raysParallel, perpendicular, and intersecting linesIdentify complementary, supplementary, vertical, and adjacent anglesFind measures of complementary, supplementary, vertical, and adjacent anglesWrite and solve equations using angle relationshipsIdentify alternate interior and alternate exterior anglesTransversals of parallel lines: name angle pairsTransversals of parallel lines: find angle measuresFind lengths and measures of bisected line segments and anglesIdentify and classify polygonsClassify trianglesTriangle inequalityIdentify trapezoidsClassify quadrilaterals IClassify quadrilaterals IIGraph triangles and quadrilateralsFind missing angles in trianglesFind missing angles in triangles using ratiosFind missing angles in quadrilaterals IFind missing angles in quadrilaterals IIInterior angles of polygonsParts of a circleCentral angles of circlesBases of three-dimensional figuresNets of three-dimensional figuresFront, side, and top viewCross sections of three-dimensional figuresPerimeterArea of rectangles and parallelogramsArea of triangles and trapezoidsArea and perimeter: word problemsCircumference of circlesArea of circlesCircles: word problemsArea of semicircles and quarter circlesSemicircles: calculate area, perimeter, radius, and diameterQuarter circles: calculate area, perimeter, and radiusArea of compound figures made of rectanglesArea of compound figures with trianglesArea of compound figures with triangles, semicircles, and quarter circlesArea between two shapesSurface area of cubes and prismsSurface area of pyramidsLateral area of prisms and pyramidsSurface area of cylindersVolume of cubes and prismsVolume of cubes and rectangular prisms: word problemsVolume of prisms: advancedVolume of pyramidsVolume of cylindersCheckpoint: Area, circumference, surface area, and volumeScale drawings of polygonsScale drawings: word problemsScale drawings: scale factor word problemsPerimeter and area: changes in scaleCheckpoint: Scale drawingsIdentify reflections, rotations, and translationsTranslations: graph the imageTranslations: find the coordinatesReflections over the x- and y-axes: graph the imageReflections over the x- and y-axes: find the coordinatesReflections: graph the imageReflections: find the coordinatesRotations: graph the imageRotations: find the coordinatesSimilar and congruent figuresCongruence statements and corresponding partsSide lengths and angle measures of congruent figuresSide lengths and angle measures of similar figuresSimilar figures and indirect measurementCreate line plotsInterpret line plotsCreate and interpret line plots with fractionsCreate stem-and-leaf plotsInterpret stem-and-leaf plotsCreate bar graphsInterpret bar graphsCreate histogramsInterpret histogramsCreate frequency tablesInterpret circle graphsCircle graphs and central anglesBox plotsCalculate mean, median, mode, and rangeInterpret charts and graphs to find mean, median, mode, and rangeMean, median, mode, and range: find the missing numberChanges in mean, median, mode, and rangeCalculate mean absolute deviationCalculate quartiles and interquartile rangeIdentify an outlierPopulations and samplesIdentify representative, random, and biased samplesMake an estimate from sample dataMake inferences from multiple samplesCompare populations using measures of center and spreadSample spaces of simple eventsProbability of simple eventsProbability of simple events and opposite eventsProbability of mutually exclusive events and overlapping eventsExperimental probabilityMake predictions using experimental probabilityUse collected data to find probabilities and make predictionsMake predictions using theoretical probabilitySample spaces for compound eventsCompound events: find the number of outcomesCompound events: find the number of sumsFind the number of outcomes: word problemsProbability of compound eventsWhich simulation represents the situation?Identify independent and dependent eventsProbability of independent and dependent eventsIntegersAbsolute valueAdditive inversesAdding and subtracting integersMultiplying and dividing integersAdding decimalsSubtracting decimalsMultiplying decimals by powers of 10Multiplying decimals by whole numbersMultiplying decimalsDividing decimals by powers of 10Dividing decimals by whole numbersDividing decimalsRational numbersComparing rational numbersAdding and subtracting rational numbersMultiplying and dividing rational numbersExponentsPowers of 10The distributive propertyOrder of operationsPEMDASPercentsRatiosUnit ratesUnit rates with fractionsSimple interestPercent changeProportionsProportional relationshipsConstant of proportionalityExpressions and equationsWriting algebraic expressionsEvaluating expressionsEquivalent expressionsSimplifying expressionsExpanding expressionsFactoring expressionsSolving equationsMulti-step equationsIndependent and dependent variablesInequalities on a number lineSolving inequalitiesArea of trianglesArea of parallelogramsArea of rhombusesArea of trapezoidsParts of a circleArea of circlesCircumference of circlesComplementary anglesSupplementary 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