Math Lessons
Step-by-step lessons that build real understanding behind every math skill — from number sense through algebra and geometry.
- 598 lessons
- High school courses
- Grades 5–8
5
Browse grade page →Grade 5 Math Lessons
117 lessons across 50 topics
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Add and subtract whole numbers
2 lessonsMultiply by 1-digit numbers
2 lessonsDivide by 1-digit numbers
2 lessonsFactors, multiples, and prime factorization
3 lessonsEquivalent fractions and mixed numbers
2 lessonsCompare and order fractions
3 lessonsAdd and subtract fractions with like denominators
2 lessonsDecimals to hundredths
2 lessonsPlace value relationships
2 lessonsPowers of ten and exponents
3 lessonsRead, write, and compare decimals
3 lessonsConvert between fractions and decimals
2 lessonsRound decimals
2 lessonsMultiply multi-digit whole numbers
3 lessonsDivide by 2-digit divisors
3 lessonsDivision word problems
2 lessonsOrder of operations
3 lessonsWrite and interpret numerical expressions
2 lessonsMulti-step word problems
3 lessonsAdd and subtract decimals
3 lessonsMultiply decimals
3 lessonsDivide decimals
2 lessonsMoney and multi-step decimal problems
3 lessonsAdd and subtract fractions with unlike denominators
3 lessonsAdd and subtract mixed numbers
2 lessonsFraction addition and subtraction word problems
2 lessonsMultiply fractions by whole numbers
2 lessonsMultiply two fractions
3 lessonsArea of rectangles with fractional side lengths
2 lessonsMultiply mixed numbers
3 lessonsMultiplication as scaling
2 lessonsFractions as division
2 lessonsDivide unit fractions and whole numbers
3 lessonsFraction division word problems
2 lessonsMixed operations with fractions
1 lessonBar graphs, line graphs, and frequency tables
3 lessonsCustomary units of measurement
2 lessonsMetric units of measurement
2 lessonsMeasurement conversion word problems
2 lessonsLine plots with fractions
2 lessonsUnderstand volume
2 lessonsVolume of rectangular prisms
3 lessonsVolume of composite figures
2 lessonsGraph points on the coordinate plane
2 lessonsNumber patterns and rules
2 lessonsGraph relationships on the coordinate plane
3 lessonsClassify triangles and quadrilaterals
3 lessonsProperties of two-dimensional figures
1 lessonClassify two-dimensional figures in a hierarchy
2 lessons6
Browse grade page →Grade 6 Math Lessons
126 lessons across 52 topics
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Multiply and divide whole numbers
3 lessonsOrder of operations
2 lessonsMulti-step word problems
2 lessonsEquivalent fractions and mixed numbers
3 lessonsAdd and subtract fractions
3 lessonsMultiply fractions
4 lessonsConvert between fractions and decimals
2 lessonsDivide fractions
3 lessonsDivide mixed numbers
2 lessonsDivide multi-digit numbers
2 lessonsAdd and subtract decimals
2 lessonsMultiply and divide decimals
3 lessonsGreatest common factor and least common multiple
3 lessonsRatios
4 lessonsEquivalent ratios and ratio tables
3 lessonsUnit rates
2 lessonsConvert units of measurement
3 lessonsPercents, fractions, and decimals
3 lessonsPercent of a number
3 lessonsPercent problems
3 lessonsPositive and negative numbers
2 lessonsRational numbers on the number line
3 lessonsCompare and order rational numbers
1 lessonAbsolute value
2 lessonsGraph points on the coordinate plane
2 lessonsDistance in the coordinate plane
2 lessonsPolygons in the coordinate plane
2 lessonsExponents
2 lessonsNumerical expressions and order of operations
1 lessonWrite algebraic expressions
3 lessonsParts of an expression
2 lessonsEvaluate algebraic expressions
3 lessonsEquivalent expressions
3 lessonsSolutions to equations and inequalities
2 lessonsOne-step addition and subtraction equations
2 lessonsOne-step multiplication and division equations
2 lessonsOne-variable inequalities
4 lessonsDependent and independent variables
2 lessonsGraph relationships between two variables
2 lessonsClassify two-dimensional figures
2 lessonsArea and perimeter of rectangles
2 lessonsArea of triangles
3 lessonsArea of parallelograms and trapezoids
3 lessonsArea of composite figures
2 lessonsVolume of rectangular prisms
1 lessonBar graphs and line graphs
3 lessonsStatistical questions and data distributions
2 lessonsDot plots and histograms
1 lessonMeasures of center
3 lessonsMeasures of variability
4 lessonsBox plots
2 lessonsDescribe data distributions
1 lesson7
Browse grade page →Grade 7 Math Lessons
152 lessons across 47 topics
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Fractions and mixed numbers
3 lessonsOperations with fractions and mixed numbers
5 lessonsDecimals and decimal operations
4 lessonsFactors and multiples
3 lessonsIntegers and absolute value
3 lessonsThe coordinate plane
3 lessonsAdding and subtracting integers
4 lessonsMultiplying and dividing integers
5 lessonsRational numbers and decimal form
4 lessonsAdding and subtracting rational numbers
4 lessonsMultiplying and dividing rational numbers
3 lessonsProblem solving with rational numbers
3 lessonsRatios, rates, and unit rates
3 lessonsProportional relationships
6 lessons1Spotting Proportional Relationships in Tables and Graphs18 min2Finding the Constant of Proportionality20 min3Complete a Table and Graph a Proportional Relationship13 min4Writing Equations for Proportional Relationships20 min5Reading and Drawing Proportional Graphs in Context20 min6Solving Proportional Word Problems and Finding Errors19 min
Solving proportions
3 lessonsScale drawings
4 lessonsPercents, fractions, and decimals
2 lessonsPercent equations
3 lessonsPercent of change
3 lessonsPercent applications: tax, discount, and interest
4 lessonsWriting and evaluating expressions
2 lessonsEquivalent expressions
4 lessonsInterpret and rewrite expressions in context
3 lessonsOne-step equations
2 lessonsTwo-step equations
3 lessonsWriting and graphing inequalities
6 lessons1Is It a Solution? Testing Values in Inequalities10 min2Graph Inequalities and Write Them from Graphs14 min3Writing Inequalities for Real-World Situations12 min4Solve and Graph One-Step Inequalities12 min5Solving One-Step Inequality Word Problems15 min6Error Analysis: Writing and Graphing Inequalities12 min
Two-step inequalities
4 lessonsMulti-step problems with rational numbers
3 lessonsUnits of measurement
2 lessonsLines and angles
3 lessonsTwo-dimensional figures
2 lessonsArea and perimeter of polygons
2 lessonsThree-dimensional figures
1 lessonConstructing triangles
2 lessonsAngle relationships
4 lessonsCircumference and area of circles
4 lessonsArea of composite figures
2 lessonsSurface area of prisms and pyramids
3 lessonsVolume of prisms
3 lessonsData displays
3 lessonsMeasures of center and variability
3 lessonsRandom sampling and inferences
3 lessonsComparing two populations
3 lessonsProbability of simple events
3 lessonsExperimental probability
3 lessonsProbability models
3 lessonsProbability of compound events
4 lessons8
Browse grade page →Grade 8 Math Lessons
156 lessons across 51 topics
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Integer operations
4 lessonsOperations with rational numbers
5 lessonsFractions, decimals, and percents
3 lessonsRatios, rates, and proportions
3 lessonsPercents
3 lessonsUnit rates and measurement conversion
3 lessonsAlgebraic expressions
2 lessonsEquivalent expressions
3 lessonsOne-step and two-step equations
4 lessonsOne-variable inequalities
3 lessonsThe coordinate plane
3 lessonsRepeating decimals and rational numbers
3 lessonsSquare roots and cube roots
4 lessonsApproximating irrational numbers
3 lessonsProperties of exponents
4 lessonsNegative and zero exponents
3 lessonsScientific notation
3 lessonsOperations with scientific notation
3 lessonsProportional relationships
3 lessonsSlope
4 lessonsSlope-intercept form
3 lessonsGraphing linear equations
4 lessonsMulti-step equations
3 lessonsEquations with variables on both sides
3 lessonsNumber of solutions of linear equations
2 lessonsSystems of equations by graphing
2 lessonsSolving systems of equations algebraically
3 lessonsSystems of equations word problems
3 lessonsIdentifying functions
3 lessonsLinear and nonlinear functions
3 lessonsComparing functions
3 lessonsConstructing linear functions
3 lessonsAnalyzing graphs of functions
2 lessonsAngle relationships
3 lessonsClassifying polygons and quadrilaterals
2 lessonsPerimeter and area
3 lessonsTranslations, reflections, and rotations
4 lessonsCongruence transformations
3 lessonsDilations and similarity
3 lessonsAngles in triangles and parallel lines
3 lessonsPythagorean theorem
4 lessonsProof and converse of the Pythagorean theorem
2 lessonsDistance in the coordinate plane
3 lessonsSurface area and volume of prisms
4 lessonsVolume of cylinders and cones
3 lessonsVolume of spheres and composite solids
3 lessonsOne-variable statistics
4 lessonsScatter plots
3 lessonsLines of best fit
2 lessonsInterpreting linear models
2 lessonsTwo-way frequency tables
2 lessonsHigh School Math Courses
Geometry
47 lessons
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