Main content

6th grade

Looking for Missions? Click here to start or continue working on the 6th grade Mission.

Ratios, rates, & percentages

Intro to ratios: Ratios, rates, & percentagesEquivalent ratios: Ratios, rates, & percentagesVisualize ratios: Ratios, rates, & percentagesRatio application: Ratios, rates, & percentages
Intro to rates: Ratios, rates, & percentagesIntro to percents: Ratios, rates, & percentagesPercent, decimal, fraction conversions: Ratios, rates, & percentagesPercent problems: Ratios, rates, & percentagesPercent word problems: Ratios, rates, & percentages

Arithmetic operations

Adding decimals: Arithmetic operationsSubtracting decimals: Arithmetic operationsAdding and subtracting decimals word problems: Arithmetic operationsMultiplying decimals: Arithmetic operations
Dividing whole numbers: Arithmetic operationsDividing decimals: Arithmetic operationsDividing fractions by fractions: Arithmetic operationsExponents: Arithmetic operationsOrder of operations: Arithmetic operations

Negative numbers

Intro to negative numbers: Negative numbersNegative decimals & fractions on the number line: Negative numbersNumber opposites: Negative numbers
Comparing negative numbers: Negative numbersNegative symbol as opposite: Negative numbersAbsolute value: Negative numbersCoordinate plane: Negative numbers

Properties of numbers

Properties of numbers: Properties of numbersWhole numbers & integers: Properties of numbersLeast common multiple: Properties of numbers
Greatest common factor: Properties of numbers

Variables & expressions

Parts of algebraic expressions: Variables & expressionsSubstitution & evaluating expressions: Variables & expressionsExpression value intuition: Variables & expressionsEvaluating expressions word problems: Variables & expressions
Writing algebraic expressions introduction: Variables & expressionsWriting basic algebraic expressions word problems: Variables & expressionsDistributive property with variables: Variables & expressionsCombining like terms: Variables & expressionsEquivalent expressions: Variables & expressions

Equations & inequalities introduction

Algebraic equations basics: Equations & inequalities introductionOne-step equations intuition: Equations & inequalities introductionOne-step addition & subtraction equations: Equations & inequalities introductionOne-step multiplication and division equations: Equations & inequalities introduction
Finding mistakes in one-step equations: Equations & inequalities introductionOne-step equation word problems: Equations & inequalities introductionIntro to inequalities with variables: Equations & inequalities introductionDependent and independent variables: Equations & inequalities introduction

Geometry

Areas of parallelograms: GeometryAreas of triangles: GeometryArea of composite figures: Geometry
Geometric solids (3D shapes): GeometryVolume with fractions: GeometrySurface area: GeometryPolygons on the coordinate plane: Geometry

Data and statistics

Dot plots & frequency tables: Data and statisticsStatistical questions: Data and statisticsHistograms: Data and statisticsMean and median: Data and statisticsMean and median challenge problems: Data and statistics
Interquartile range (IQR): Data and statisticsBox plots: Data and statisticsMean absolute deviation (MAD): Data and statisticsComparing data displays: Data and statisticsShape of data distributions: Data and statistics

Staff picks

Intro to rates
Intro to exponents
Ordering negative numbers
Expression value intuition
Intro to equations

Review articles

Absolute value review
Terms, factors, and coefficients review
Exponents review
Graphing inequalities review

Get Started
Intro to ratios

Ratios show up everywhere in life—sports, finance, medicine, cooking, you name it! In this tutorial, we learn what ratios are and how to use them.
Start learning
Community questions
Mission