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# 6th grade (Illustrative Mathematics)

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

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

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

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

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

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

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

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

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

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

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

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

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

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