Grade 6 Math Lessons

126 lessons

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Multiply and divide whole numbers

3 lessons

1Divisibility Rules and Multi-Digit Multiplication15 min 2Long Division and Reasonable Estimates15 min 3Remainders and Whole-Number Word Problems15 min

Order of operations

2 lessons

1Grouping and the Order of Operations13 min 2Write, Group and Check Numerical Expressions17 min

Multi-step word problems

2 lessons

1Choose the Operation and Estimate an Answer12 min 2Plan and Check Multi-Step Word Problems16 min

Equivalent fractions and mixed numbers

3 lessons

1Equivalent Fractions and Lowest Terms14 min 2Mixed Numbers and the Least Common Denominator14 min 3Compare, Order and Connect Fractions to Division16 min

Add and subtract fractions

3 lessons

1Add and Subtract Fractions Using a Common Unit18 min 2Missing Fractions and Mixed Number Sums14 min 3Fraction Word Problems and Common Mistakes14 min

Multiply fractions

4 lessons

1See a Fraction of a Fraction with Area Models10 min 2Multiply Fractions by Whole Numbers and by Fractions14 min 3Estimate and Multiply Mixed Numbers14 min 4Fraction Products and Scaling in Context13 min

Convert between fractions and decimals

2 lessons

1Convert Between Fractions and Terminating Decimals15 min 2Mixed Numbers and Repeating Decimals13 min

Divide fractions

3 lessons

1Divide Fractions by Counting Groups12 min 2Reciprocals and Dividing Fractions16 min 3Solve, Interpret, and Check Fraction Division17 min

Divide mixed numbers

2 lessons

1Estimate and Divide Mixed Numbers14 min 2Mixed Number Word Problems: Multiply or Divide?15 min

Divide multi-digit numbers

2 lessons

1Long Division and Multiplication Checks15 min 2Interpreting Quotients and Finding Division Mistakes18 min

Add and subtract decimals

2 lessons

1Add, Subtract and Estimate Decimals17 min 2Decimal Word Problems and Finding Mistakes15 min

Multiply and divide decimals

3 lessons

1Powers of Ten and Decimal Products17 min 2Divide Decimals and Explain the Scaling15 min 3Decimals in Context: Solve Problems and Find Mistakes15 min

Greatest common factor and least common multiple

3 lessons

1Prime Numbers and Prime Factorization17 min 2Greatest Common Factors and Least Common Multiples14 min 3Factor a Sum and Choose the GCF or the LCM16 min

Ratios

4 lessons

1Ratio Language and Writing Ratios in Order15 min 2Identify the Model That Shows a Ratio10 min 3Writing Ratios from Word Problems10 min 4Find Mistakes in Written Ratios10 min

Equivalent ratios and ratio tables

3 lessons

1Equivalent Ratios and Ratio Tables16 min 2Scale Ratios and Plot Their Pairs13 min 3Compare Ratios with Tables and Spot Mistakes14 min

Unit rates

2 lessons

1A Rate for One Unit14 min 2Unit Prices and Speed, Distance, and Time14 min

Convert units of measurement

3 lessons

1Estimate and Convert Units Within One System18 min 2Use Ratios to Convert Measurement Units14 min 3Solve Conversion Problems and Track Units18 min

Percents, fractions, and decimals

3 lessons

1Percents, Hundred Grids, and Decimals16 min 2Percents as Fractions and Benchmark Strips15 min 3Compare Percent, Fraction, and Decimal Claims13 min

Percent of a number

3 lessons

1Model and Calculate a Percent of a Number14 min 2Estimate and Find Fractional and Decimal Percents12 min 3Percent Word Problems and Scale Errors13 min

Percent problems

3 lessons

1Identify the Part, the Whole, and the Percent14 min 2Find the Whole and Solve Percent Problems15 min 3Percents Greater Than 100 and Less Than 111 min

Positive and negative numbers

2 lessons

1Signed Quantities and the Meaning of Zero15 min 2Signed Numbers in Word Problems and Spotting Mistakes13 min

Rational numbers on the number line

3 lessons

1Integers and Opposites on a Number Line14 min 2Fractions, Decimals and the Opposite of an Opposite14 min 3Reading and Choosing a Scale on a Number Line14 min

Compare and order rational numbers

1 lesson

1Comparing Numbers by Position on a Number Line16 min

Absolute value

2 lessons

1Absolute Value Measures Distance from Zero15 min 2Absolute Value: Magnitude, Order, and Common Mistakes16 min

Graph points on the coordinate plane

2 lessons

1The Coordinate Plane: Axes, Quadrants, and Graphing Points16 min 2Read Fractional Coordinates and Reflect Points16 min

Distance in the coordinate plane

2 lessons

1Distances Along Horizontal and Vertical Lines14 min 2Map Distances and Why Absolute Value Works16 min

Polygons in the coordinate plane

2 lessons

1Draw Polygons and Find Side Lengths from Coordinates12 min 2Perimeters, Word Problems, and Missing Vertices17 min

Exponents

2 lessons

1Exponents: Repeated Factors and Powers of Ten15 min 2Missing Bases, Missing Exponents, and Common Mistakes14 min

Numerical expressions and order of operations

1 lesson

1Order of Operations with Exponents, Fractions and Decimals13 min

Write algebraic expressions

3 lessons

1Variables and One-Operation Expressions12 min 2Two-Operation Phrases and Grouping13 min 3Write and Check Expressions for Word Problems14 min

Parts of an expression

2 lessons

1Terms, Coefficients, and Expression Structure17 min 2Read a Formula as a Structured Expression13 min

Evaluate algebraic expressions

3 lessons

1Evaluate Expressions by Substituting Numbers12 min 2Several Variables, Exponents and Grouping Symbols15 min 3Evaluate Formulas and Find Mistakes12 min

Equivalent expressions

3 lessons

1Properties and Equivalent Expressions16 min 2Combining Like Terms and Factoring15 min 3Equivalent Expressions: Write, Test and Find Mistakes16 min

Solutions to equations and inequalities

2 lessons

1What Makes a Value a Solution of an Equation?13 min 2Testing and Explaining Solutions of Inequalities16 min

One-step addition and subtraction equations

2 lessons

1Solving Addition and Subtraction Equations14 min 2Write, Solve and Justify One-Step Equations18 min

One-step multiplication and division equations

2 lessons

1Undoing Multiplication and Division to Solve Equations16 min 2Model and Check Multiplication and Division Equations18 min

One-variable inequalities

4 lessons

1Understanding Inequality Symbols11 min 2Graph Inequalities and Write Them from Number Lines14 min 3Writing Inequalities for Real-World Constraints12 min 4Inequality Word Problems: Graphs, Solutions and Mistakes18 min

Dependent and independent variables

2 lessons

1Independent and Dependent Variables: Rules from Tables17 min 2Two-Variable Equations: Write, Use, and Explain Change16 min

Graph relationships between two variables

2 lessons

1Equations, Tables and Graphs: Three Views of One Rule15 min 2Interpret and Check Graphs of Relationships17 min

Classify two-dimensional figures

2 lessons

1Classify Polygons by Established Properties18 min 2Decompose Polygons on a Coordinate Grid12 min

Area and perimeter of rectangles

2 lessons

1Rectangles: Perimeter, Area, and Missing Sides16 min 2Choose Area or Perimeter and Compare Rectangles14 min

Area of triangles

3 lessons

1Why a Triangle's Area Is Half a Rectangle13 min 2Triangle Area: Perpendicular Height and Missing Dimensions15 min 3Triangle Area: Word Problems and Mistakes13 min

Area of parallelograms and trapezoids

3 lessons

1Rearrange a Parallelogram into a Rectangle13 min 2Areas of Trapezoids and Rhombuses15 min 3Missing Dimensions and Quadrilateral Area Reasoning17 min

Area of composite figures

2 lessons

1Decompose Composite Figures and Find Their Area15 min 2Subtract Areas and Check Composite Area Solutions18 min

Volume of rectangular prisms

1 lesson

1Using a Volume Formula for Rectangular Prisms10 min

Bar graphs and line graphs

3 lessons

1Creating and Interpreting Frequency Tables10 min 2Read and Create Bar Graphs14 min 3Choose a Display for a Question12 min

Statistical questions and data distributions

2 lessons

1Statistical Questions: Expecting Data That Vary14 min 2Describing Variability: Center, Spread, and Shape16 min

Dot plots and histograms

1 lesson

1Create and Interpret Dot Plots13 min

Measures of center

3 lessons

1Mean, Median and Mode: Measures of Center16 min 2Missing Values and Measures of Center from Displays15 min 3Changing Data Values and Checking Measures of Center15 min

Measures of variability

4 lessons

1Variability and the Range12 min 2Quartiles and the Interquartile Range12 min 3Finding the Mean Absolute Deviation10 min 4Outliers and Mistakes in Measures of Variability15 min

Box plots

2 lessons

1The Five-Number Summary11 min 2Create and Interpret Box Plots15 min

Describe data distributions

1 lesson

1Summarizing Data: Patterns, Center and Variability18 min