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# 6th grade (Illustrative Mathematics)

Lesson 3: Reasoning to find area: Unit 1: Area and surface areaLesson 5: Bases and heights of parallelograms : Unit 1: Area and surface areaLesson 6: Area of parallelograms: Unit 1: Area and surface areaLesson 8: Area of triangles: Unit 1: Area and surface areaLesson 9: Formula for area of a triangle: Unit 1: Area and surface areaLesson 11: Polygons: Unit 1: Area and surface area

Lesson 12: What is surface area?: Unit 1: Area and surface areaLesson 13: Polyhedra: Unit 1: Area and surface areaLesson 14: Nets and surface area: Unit 1: Area and surface areaLesson 15: More nets, more surface area: Unit 1: Area and surface areaExtra practice: Surface area: Unit 1: Area and surface areaLesson 17: Squares and cubes: Unit 1: Area and surface areaLesson 18: Surface area of a cube: Unit 1: Area and surface area

Lesson 1: Introducing ratios and ratio language: Unit 2: Introducing ratiosLesson 2: Representing ratios with diagrams: Unit 2: Introducing ratiosLesson 3: Recipes: Unit 2: Introducing ratiosLesson 4: Color mixtures: Unit 2: Introducing ratiosLesson 5: Defining equivalent ratios: Unit 2: Introducing ratiosLesson 7: Creating double number line diagrams: Unit 2: Introducing ratiosLesson 8: How much for one?: Unit 2: Introducing ratios

Lesson 9: Constant speed: Unit 2: Introducing ratiosLesson 10: Comparing situations by examining ratios: Unit 2: Introducing ratiosLesson 11: Representing ratios with tables: Unit 2: Introducing ratiosLesson 12: Navigating a table of equivalent ratios: Unit 2: Introducing ratiosLesson 13: Tables and double number line diagrams: Unit 2: Introducing ratiosLesson 15: Part-part-whole ratios: Unit 2: Introducing ratiosLesson 16: Solving more ratio problems: Unit 2: Introducing ratios

Lesson 4: Converting units: Unit 3: Unit rates and percentagesLesson 5: Comparing speeds and prices: Unit 3: Unit rates and percentagesLesson 6: Interpreting ratios: Unit 3: Unit rates and percentagesLesson 9: Solving rate problems: Unit 3: Unit rates and percentages

Lesson 12: Percentages and tape diagrams: Unit 3: Unit rates and percentagesLesson 13: Benchmark percentages: Unit 3: Unit rates and percentagesLesson 14: Solving percentage problems: Unit 3: Unit rates and percentagesLesson 15: Finding this percent of that: Unit 3: Unit rates and percentagesLesson 16: Finding the percentage: Unit 3: Unit rates and percentages

Lesson 1: Using decimals in a shopping context: Unit 5: Arithmetic in base tenLesson 2: Using diagrams to represent addition and subtraction: Unit 5: Arithmetic in base tenLesson 4: Adding and subtracting decimals with many non-zero digits: Unit 5: Arithmetic in base tenLesson 6: Methods for multiplying decimals: Unit 5: Arithmetic in base ten

Lesson 8: Calculating products of decimals: Unit 5: Arithmetic in base tenLesson 10: Using long division: Unit 5: Arithmetic in base tenLesson 11: Dividing numbers that result in decimals : Unit 5: Arithmetic in base tenLesson 12: Dividing decimals by whole numbers: Unit 5: Arithmetic in base tenLesson 13: Dividing decimals by decimals: Unit 5: Arithmetic in base ten

Lesson 1: Tape diagrams and equations: Unit 6: Expressions and equationsLesson 2: Truth and equations: Unit 6: Expressions and equationsLesson 3: Staying in balance: Unit 6: Expressions and equationsLesson 4: Practice solving equations and representing situations with equations: Unit 6: Expressions and equationsLesson 5: A new way to interpret a over b: Unit 6: Expressions and equationsExtra practice: Equations: Unit 6: Expressions and equationsLesson 6: Write expressions where letters stand for numbers: Unit 6: Expressions and equationsLesson 7: Revisit percentages: Unit 6: Expressions and equationsLesson 9: The distributive property, part 1: Unit 6: Expressions and equations

Lesson 10: The distributive property, part 2: Unit 6: Expressions and equationsLesson 11: The distributive property, part 3: Unit 6: Expressions and equationsLesson 12: Meaning of exponents: Unit 6: Expressions and equationsLesson 13: Expressions with exponents: Unit 6: Expressions and equationsLesson 14: Evaluating expressions with exponents: Unit 6: Expressions and equationsLesson 15: Equivalent exponential expressions: Unit 6: Expressions and equationsLesson 16: Two related quantities, part 1: Unit 6: Expressions and equationsLesson 17: Two related quantities, part 2: Unit 6: Expressions and equationsLesson 18: More relationships: Unit 6: Expressions and equationsExtra practice: Expressions: Unit 6: Expressions and equations

Lesson 1: Positive and negative numbers: Unit 7: Rational numbersLesson 2: Points on the number line: Unit 7: Rational numbersLesson 3: Comparing positive and negative numbers: Unit 7: Rational numbersLesson 4: Ordering rational numbers: Unit 7: Rational numbersLesson 5: Using negative numbers to make sense of contexts: Unit 7: Rational numbersLesson 6: Absolute value of numbers: Unit 7: Rational numbersLesson 7: Comparing numbers and distance from zero: Unit 7: Rational numbersExtra practice: Negative numbers: Unit 7: Rational numbersLesson 8: Writing and graphing inequalities: Unit 7: Rational numbers

Lesson 9: Solutions to inequalities: Unit 7: Rational numbersExtra practice: Inequalities: Unit 7: Rational numbersLesson 11: Points on the coordinate plane: Unit 7: Rational numbersLesson 13: Interpreting points on a coordinate plane: Unit 7: Rational numbersLesson 14: Distances on a coordinate plane: Unit 7: Rational numbersLesson 15: Shapes on a coordinate plane: Unit 7: Rational numbersLesson 16: Common factors: Unit 7: Rational numbersLesson 17: Common multiples: Unit 7: Rational numbersLesson 18: Using common multiples and common factors: Unit 7: Rational numbers

Lesson 2: Statistical questions: Unit 8: Data sets and distributionLesson 3: Representing data graphically: Unit 8: Data sets and distributionLesson 5: Using dot plots to answer statistical questions: Unit 8: Data sets and distributionLesson 6: Histograms: Unit 8: Data sets and distributionLesson 7: Using histograms to answer statistical questions: Unit 8: Data sets and distributionLesson 8: Describing distributions on histograms: Unit 8: Data sets and distributionLesson 9: Interpreting the mean as fair share: Unit 8: Data sets and distributionLesson 10: Finding and interpreting the mean as the balance point: Unit 8: Data sets and distribution

Extra practice: Mean: Unit 8: Data sets and distributionLesson 11: Deviation from the mean: Unit 8: Data sets and distributionLesson 13: The median of a data set: Unit 8: Data sets and distributionLesson 14: Comparing mean and median: Unit 8: Data sets and distributionLesson 15: Quartiles and interquartile range: Unit 8: Data sets and distributionLesson 16: Box plots: Unit 8: Data sets and distributionExtra practice: Box plots: Unit 8: Data sets and distributionLesson 18: Using data to solve problems: Unit 8: Data sets and distribution