IXL skill plan | 8th grade plan for Digits, Texas edition

Skill plan for Digits, Texas edition - 8th grade

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A	Unit A Number and Operations
Topic 1 - Rational and Irrational Numbers
Lesson 1-1: Exploring Irrational Numbers		1. Identify rational and irrational square roots 2. Identify rational and irrational numbers 3. Classify numbers
Lesson 1-1: Exploring Irrational Numbers
1. Identify rational and irrational square roots 2. Identify rational and irrational numbers 3. Classify numbers

Lesson 1-2: Approximating Irrational Numbers		1. Irrational numbers on number lines 2. Estimate positive square roots
Lesson 1-2: Approximating Irrational Numbers
1. Irrational numbers on number lines 2. Estimate positive square roots

Lesson 1-3: Comparing and Ordering Rational and Irrational Numbers		1. Compare and order rational and irrational numbers
Lesson 1-3: Comparing and Ordering Rational and Irrational Numbers
1. Compare and order rational and irrational numbers

Lesson 1-4: Exploring Scientific Notation		1. Compare numbers written in scientific notation Also consider: • Multiply a whole number by a power of ten: with exponents • Scientific notation on calculators
Lesson 1-4: Exploring Scientific Notation
1. Compare numbers written in scientific notation Also consider: • Multiply a whole number by a power of ten: with exponents • Scientific notation on calculators

Lesson 1-5: Using Scientific Notation to Describe Very Large Quantities		1. Convert between standard and scientific notation
Lesson 1-5: Using Scientific Notation to Describe Very Large Quantities
1. Convert between standard and scientific notation

Lesson 1-6: Additional Problem Solving
Lesson 1-6: Additional Problem Solving


Checkpoint opportunity		1. Checkpoint: Approximate irrational numbers 2. Checkpoint: Classify real numbers 3. Checkpoint: Scientific notation
Checkpoint opportunity
1. Checkpoint: Approximate irrational numbers 2. Checkpoint: Classify real numbers 3. Checkpoint: Scientific notation

B	Unit B Proportionality
Topic 2 - Proportional Relationships, Lines, and Linear Equations
Lesson 2-1: Representing Proportional Relationships		1. Identify proportional relationships by graphing 2. Identify proportional relationships from graphs 3. Interpret graphs of proportional relationships
Lesson 2-1: Representing Proportional Relationships
1. Identify proportional relationships by graphing 2. Identify proportional relationships from graphs 3. Interpret graphs of proportional relationships

Lesson 2-2: Linear Equations: y = mx		1. Find the constant of proportionality from a graph 2. Find the constant of variation 3. Write equations for proportional relationships from tables and graphs 4. Write and solve equations for proportional relationships Also consider: • Identify direct variation
Lesson 2-2: Linear Equations: y = mx
1. Find the constant of proportionality from a graph 2. Find the constant of variation 3. Write equations for proportional relationships from tables and graphs 4. Write and solve equations for proportional relationships Also consider: • Identify direct variation

Lesson 2-3: The Slope of a Line		1. Find the slope from a graph 2. Find the slope from two points 3. Find the slope from a table Also consider: • Find a missing coordinate using slope • Write a linear equation from two points
Lesson 2-3: The Slope of a Line
1. Find the slope from a graph 2. Find the slope from two points 3. Find the slope from a table Also consider: • Find a missing coordinate using slope • Write a linear equation from two points

Lesson 2-4: Unit Rates and Slope		1. Graph proportional relationships and find the slope 2. Rate of change of a linear function: graphs Also consider: • Unit rates
Lesson 2-4: Unit Rates and Slope
1. Graph proportional relationships and find the slope 2. Rate of change of a linear function: graphs Also consider: • Unit rates

Lesson 2-5: The y-intercept of a Line		1. Slope-intercept form: find the slope and y-intercept 2. Interpret the slope and y-intercept of a linear function Also consider: • Write a linear equation from a slope and a point
Lesson 2-5: The y-intercept of a Line
1. Slope-intercept form: find the slope and y-intercept 2. Interpret the slope and y-intercept of a linear function Also consider: • Write a linear equation from a slope and a point

Lesson 2-6: Linear Equations: y=mx+b		1. Write a linear equation from a graph 2. Write a linear function from a table 3. Write a linear equation from a scenario Also consider: • Write a linear equation
Lesson 2-6: Linear Equations: y=mx+b
1. Write a linear equation from a graph 2. Write a linear function from a table 3. Write a linear equation from a scenario Also consider: • Write a linear equation

Lesson 2-7: Distinguishing Between Proportional and Non-Proportional Situations		1. Identify proportional relationships from tables 2. Identify proportional relationships: word problems Also consider: • Identify proportional relationships from graphs and equations
Lesson 2-7: Distinguishing Between Proportional and Non-Proportional Situations
1. Identify proportional relationships from tables 2. Identify proportional relationships: word problems Also consider: • Identify proportional relationships from graphs and equations

Lesson 2-8: Additional Problem Solving
Lesson 2-8: Additional Problem Solving


Checkpoint opportunity		1. Checkpoint: Interpret slopes and y-intercepts 2. Checkpoint: Proportional relationships 3. Checkpoint: Interpret proportional and non-proportional relationships
Checkpoint opportunity
1. Checkpoint: Interpret slopes and y-intercepts 2. Checkpoint: Proportional relationships 3. Checkpoint: Interpret proportional and non-proportional relationships
Topic 3 - Defining and Comparing Functions
Lesson 3-1: Recognizing a Function		1. Identify functions 2. Identify functions: graphs 3. Relations: convert between mappings, tables, graphs, and ordered pairs
Lesson 3-1: Recognizing a Function
1. Identify functions 2. Identify functions: graphs 3. Relations: convert between mappings, tables, graphs, and ordered pairs

Lesson 3-2: Representing a Function		1. Complete a table for the graph of a line 2. Complete a table and graph a linear function Also consider: • Relate the graph of an equation to its solutions • Complete a table for a linear function • Find values using function graphs
Lesson 3-2: Representing a Function
1. Complete a table for the graph of a line 2. Complete a table and graph a linear function Also consider: • Relate the graph of an equation to its solutions • Complete a table for a linear function • Find values using function graphs

Lesson 3-3: Linear Functions Lesson 3-4: Nonlinear Functions		1. Identify linear and nonlinear functions: graphs and equations 2. Identify linear and nonlinear functions: tables Also consider: • Is (x, y) a solution to the nonlinear equation? • Rate of change: tables
Lesson 3-3: Linear Functions Lesson 3-4: Nonlinear Functions
1. Identify linear and nonlinear functions: graphs and equations 2. Identify linear and nonlinear functions: tables Also consider: • Is (x, y) a solution to the nonlinear equation? • Rate of change: tables

Lesson 3-5: Additional Problem Solving
Lesson 3-5: Additional Problem Solving


Checkpoint opportunity		1. Checkpoint: Understand functions
Checkpoint opportunity
1. Checkpoint: Understand functions

C	Unit C Expressions, Equations, and Relationships
Topic 4 - Using the Pythagorean Theorem
Lesson 4-1: The Pythagorean Theorem		1. Pythagorean theorem: find the length of the hypotenuse 2. Pythagorean theorem: word problems
Lesson 4-1: The Pythagorean Theorem
1. Pythagorean theorem: find the length of the hypotenuse 2. Pythagorean theorem: word problems

Lesson 4-2: Finding Unknown Leg Lengths		1. Pythagorean theorem: find the missing leg length 2. Pythagorean theorem: find the missing leg or hypotenuse length Also consider: • Pythagorean theorem: find the perimeter
Lesson 4-2: Finding Unknown Leg Lengths
1. Pythagorean theorem: find the missing leg length 2. Pythagorean theorem: find the missing leg or hypotenuse length Also consider: • Pythagorean theorem: find the perimeter

Lesson 4-3: The Converse of the Pythagorean Theorem		1. Converse of the Pythagorean theorem: is it a right triangle?
Lesson 4-3: The Converse of the Pythagorean Theorem
1. Converse of the Pythagorean theorem: is it a right triangle?

Lesson 4-4: Distance in the Coordinate Plane		1. Find the distance between two points Also consider: • Classify triangles
Lesson 4-4: Distance in the Coordinate Plane
1. Find the distance between two points Also consider: • Classify triangles

Lesson 4-5: Additional Problem Solving
Lesson 4-5: Additional Problem Solving


Checkpoint opportunity		1. Checkpoint: The Pythagorean theorem
Checkpoint opportunity
1. Checkpoint: The Pythagorean theorem
Topic 5 - Surface Area and Volume
Lesson 5-1: Surface Areas of Prisms		1. Surface area of prisms 2. Lateral area of prisms
Lesson 5-1: Surface Areas of Prisms
1. Surface area of prisms 2. Lateral area of prisms

Lesson 5-2: Surface Areas of Cylinders		1. Surface area of cylinders 2. Lateral area of cylinders
Lesson 5-2: Surface Areas of Cylinders
1. Surface area of cylinders 2. Lateral area of cylinders

Lesson 5-3: Volumes of Cylinders		1. Volume of cylinders
Lesson 5-3: Volumes of Cylinders
1. Volume of cylinders

Lesson 5-4: Volumes of Cones		1. Volume of cones
Lesson 5-4: Volumes of Cones
1. Volume of cones

Lesson 5-5: Volumes of Spheres		1. Volume of spheres
Lesson 5-5: Volumes of Spheres
1. Volume of spheres

Lesson 5-6: Additional Problem Solving
Lesson 5-6: Additional Problem Solving


Checkpoint opportunity		1. Checkpoint: Surface area of prisms and cylinders 2. Checkpoint: Volume
Checkpoint opportunity
1. Checkpoint: Surface area of prisms and cylinders 2. Checkpoint: Volume
Topic 6 - Linear Equations in One Variable
Lesson 6-1: Solving Two-Step Equations		1. Solve two-step equations: complete the solution 2. Solve two-step equations 3. Solve equations of the form px + q = r with fractions 4. Solve two-step equations: word problems Also consider: • Write a two-step equation from words • Which x satisfies an equation?
Lesson 6-1: Solving Two-Step Equations
1. Solve two-step equations: complete the solution 2. Solve two-step equations 3. Solve equations of the form px + q = r with fractions 4. Solve two-step equations: word problems Also consider: • Write a two-step equation from words • Which x satisfies an equation?

Lesson 6-2: Writing and Solving Equations with Variables on Both Sides		1. Solve equations with integers: variables on both sides 2. Solve equations with variables on both sides: word problems Also consider: • Solve equations involving like terms • Solve multi-step equations
Lesson 6-2: Writing and Solving Equations with Variables on Both Sides
1. Solve equations with integers: variables on both sides 2. Solve equations with variables on both sides: word problems Also consider: • Solve equations involving like terms • Solve multi-step equations

Lesson 6-3: Writing and Solving Inequalities with Variables on Both Sides		1. Solve inequalities with integers: variables on both sides Also consider: • Solve two-step inequalities
Lesson 6-3: Writing and Solving Inequalities with Variables on Both Sides
1. Solve inequalities with integers: variables on both sides Also consider: • Solve two-step inequalities

Lesson 6-4: Additional Problem Solving
Lesson 6-4: Additional Problem Solving


Checkpoint opportunity		1. Checkpoint: Problem solving with equations and inequalities
Checkpoint opportunity
1. Checkpoint: Problem solving with equations and inequalities
Topic 7 - Reasoning in Geometry
Lesson 7-1: Angles, Lines, and Transversals Lesson 7-2: Reasoning and Parallel Lines		1. Identify corresponding angles and alternate interior angles 2. Transversals of parallel lines: find angle measures Also consider: • Transversals of parallel lines: name angle pairs
Lesson 7-1: Angles, Lines, and Transversals Lesson 7-2: Reasoning and Parallel Lines
1. Identify corresponding angles and alternate interior angles 2. Transversals of parallel lines: find angle measures Also consider: • Transversals of parallel lines: name angle pairs

Lesson 7-3: Interior Angles of Triangles		1. Find missing angles in triangles 2. Triangle Angle-Sum Theorem
Lesson 7-3: Interior Angles of Triangles
1. Find missing angles in triangles 2. Triangle Angle-Sum Theorem

Lesson 7-4: Exterior Angles of Triangles		1. Exterior Angle Theorem
Lesson 7-4: Exterior Angles of Triangles
1. Exterior Angle Theorem

Lesson 7-5: Angle-Angle Triangle Similarity		1. Angle-angle criterion for similar triangles
Lesson 7-5: Angle-Angle Triangle Similarity
1. Angle-angle criterion for similar triangles

Lesson 7-6: Additional Problem Solving
Lesson 7-6: Additional Problem Solving


Checkpoint opportunity		1. Checkpoint: Triangles and transversals
Checkpoint opportunity
1. Checkpoint: Triangles and transversals
Topic 8 - Simultaneous Linear Equations
Lesson 8-1: What are Simultaneous Linear Equations in Two Variables?		1. Is (x, y) a solution to the system of equations?
Lesson 8-1: What are Simultaneous Linear Equations in Two Variables?
1. Is (x, y) a solution to the system of equations?

Lesson 8-2: Estimating Solutions of Simultaneous Linear Equations by Inspection		1. Find the number of solutions to a system of equations Also consider: • Find the number of solutions to a system of equations by graphing
Lesson 8-2: Estimating Solutions of Simultaneous Linear Equations by Inspection
1. Find the number of solutions to a system of equations Also consider: • Find the number of solutions to a system of equations by graphing

Lesson 8-3: Solving Simultaneous Linear Equations by Graphing		1. Solve a system of equations by graphing 2. Solve a system of equations by graphing: word problems
Lesson 8-3: Solving Simultaneous Linear Equations by Graphing
1. Solve a system of equations by graphing 2. Solve a system of equations by graphing: word problems

Lesson 8-4: Solving Simultaneous Linear Equations Using Substitution		1. Solve a system of equations using substitution 2. Solve a system of equations using substitution: word problems
Lesson 8-4: Solving Simultaneous Linear Equations Using Substitution
1. Solve a system of equations using substitution 2. Solve a system of equations using substitution: word problems

Lesson 8-5: Additional Problem Solving
Lesson 8-5: Additional Problem Solving


Checkpoint opportunity		1. Checkpoint: Systems of equations
Checkpoint opportunity
1. Checkpoint: Systems of equations

D	Unit D Two-Dimensional Shapes
Topic 9 - Congruence
Lesson 9-1: Translations		1. Translations: graph the image 2. Translations: find the coordinates 3. Translations: write the rule Also consider: • Identify translations
Lesson 9-1: Translations
1. Translations: graph the image 2. Translations: find the coordinates 3. Translations: write the rule Also consider: • Identify translations

Lesson 9-2: Reflections		1. Reflections: graph the image 2. Reflections: find the coordinates Also consider: • Identify reflections
Lesson 9-2: Reflections
1. Reflections: graph the image 2. Reflections: find the coordinates Also consider: • Identify reflections

Lesson 9-3: Rotations		1. Rotations: graph the image 2. Rotations: find the coordinates 3. Reflections and rotations: write the rule Also consider: • Identify reflections, rotations, and translations
Lesson 9-3: Rotations
1. Rotations: graph the image 2. Rotations: find the coordinates 3. Reflections and rotations: write the rule Also consider: • Identify reflections, rotations, and translations

Lesson 9-4: Congruent Figures		1. Sequences of congruence transformations: graph the image 2. Sequences of congruence transformations: choose the sequence Also consider: • Identify congruent figures • Congruence statements and corresponding parts • Determine if two figures are congruent: justify your answer
Lesson 9-4: Congruent Figures
1. Sequences of congruence transformations: graph the image 2. Sequences of congruence transformations: choose the sequence Also consider: • Identify congruent figures • Congruence statements and corresponding parts • Determine if two figures are congruent: justify your answer

Lesson 9-5: Additional Problem Solving
Lesson 9-5: Additional Problem Solving


Checkpoint opportunity		1. Checkpoint: Translations, reflections, and rotations on the coordinate plane
Checkpoint opportunity
1. Checkpoint: Translations, reflections, and rotations on the coordinate plane
Topic 10 - Similarity
Lesson 10-1: Dilations		1. Dilations: graph the image 2. Dilations: find the coordinates 3. Dilations: find the scale factor Also consider: • Classify dilations
Lesson 10-1: Dilations
1. Dilations: graph the image 2. Dilations: find the coordinates 3. Dilations: find the scale factor Also consider: • Classify dilations

Lesson 10-2: Similar Figures		1. Identify similar triangles 2. Determine if two figures are similar: justify your answer Also consider: • Side lengths and angle measures of similar triangles • Area and perimeter of similar figures
Lesson 10-2: Similar Figures
1. Identify similar triangles 2. Determine if two figures are similar: justify your answer Also consider: • Side lengths and angle measures of similar triangles • Area and perimeter of similar figures

Lesson 10-3: Relating Similar Triangles and Slope
Lesson 10-3: Relating Similar Triangles and Slope


Lesson 10-4: Additional Problem Solving		1. Side lengths and angle measures of similar figures 2. Scale drawings: word problems
Lesson 10-4: Additional Problem Solving
1. Side lengths and angle measures of similar figures 2. Scale drawings: word problems

Checkpoint opportunity		1. Checkpoint: Construct and interpret linear functions 2. Checkpoint: Properties of transformations 3. Checkpoint: Dilations and similarity
Checkpoint opportunity
1. Checkpoint: Construct and interpret linear functions 2. Checkpoint: Properties of transformations 3. Checkpoint: Dilations and similarity

E	Unit E Measurement and Data
Topic 11 - Scatter Plots
Lesson 11-1: Interpreting a Scatter Plot		1. Interpret scatter plots
Lesson 11-1: Interpreting a Scatter Plot
1. Interpret scatter plots

Lesson 11-2: Constructing a Scatter Plot		1. Create scatter plots
Lesson 11-2: Constructing a Scatter Plot
1. Create scatter plots

Lesson 11-3: Investigating Patterns - Association		1. Identify trends with scatter plots Also consider: • Outliers in scatter plots
Lesson 11-3: Investigating Patterns - Association
1. Identify trends with scatter plots Also consider: • Outliers in scatter plots

Lesson 11-4: Linear Models - Fitting a Straight Line		1. Identify lines of best fit 2. Write equations for lines of best fit
Lesson 11-4: Linear Models - Fitting a Straight Line
1. Identify lines of best fit 2. Write equations for lines of best fit

Lesson 11-5: Using the Equation of a Linear Model		1. Make predictions with scatter plots Also consider: • Interpret lines of best fit: word problems
Lesson 11-5: Using the Equation of a Linear Model
1. Make predictions with scatter plots Also consider: • Interpret lines of best fit: word problems

Lesson 11-6: Additional Problem Solving
Lesson 11-6: Additional Problem Solving


Checkpoint opportunity		1. Checkpoint: Scatter plots 2. Checkpoint: Linear models
Checkpoint opportunity
1. Checkpoint: Scatter plots 2. Checkpoint: Linear models
Topic 12 - Samples
Lesson 12-1: Mean		1. Calculate mean
Lesson 12-1: Mean
1. Calculate mean

Lesson 12-2: Mean Absolute Deviation		1. Calculate mean absolute deviation Also consider: • Interpret mean and mean absolute deviation
Lesson 12-2: Mean Absolute Deviation
1. Calculate mean absolute deviation Also consider: • Interpret mean and mean absolute deviation

Lesson 12-3: Representative Samples		1. Identify random samples 2. Which simulation represents the situation?
Lesson 12-3: Representative Samples
1. Identify random samples 2. Which simulation represents the situation?

Lesson 12-4: Additional Problem Solving
Lesson 12-4: Additional Problem Solving


Checkpoint opportunity		1. Checkpoint: Mean absolute deviation
Checkpoint opportunity
1. Checkpoint: Mean absolute deviation

F	Unit F Personal Financial Literacy
Topic 13 - Investing and Financing
Lesson 13-1: Calculating Interest		1. Simple interest 2. Compound interest
Lesson 13-1: Calculating Interest
1. Simple interest 2. Compound interest

Lesson 13-2: Investing Your Money
Lesson 13-2: Investing Your Money


Lesson 13-3: The Cost of Repaying a Loan
Lesson 13-3: The Cost of Repaying a Loan


Lesson 13-4: Payment Methods		1. Identify advantages and disadvantages of payment methods 2. Debit cards and credit cards
Lesson 13-4: Payment Methods
1. Identify advantages and disadvantages of payment methods 2. Debit cards and credit cards

Lesson 13-5: Financial Responsibility
Lesson 13-5: Financial Responsibility


Lesson 13-6: Additional Problem Solving
Lesson 13-6: Additional Problem Solving

Topic 14 - Planning for College
Lesson 14-1: Cost of Attending College Lesson 14-2: Family Contribution Lesson 14-3: Periodic Savings Plan
Lesson 14-1: Cost of Attending College Lesson 14-2: Family Contribution Lesson 14-3: Periodic Savings Plan


Lesson 14-4: Additional Problem Solving
Lesson 14-4: Additional Problem Solving

G	Unit G Step-Up Lessons
Topic 15 - Step-Up Lessons
Lesson 15-1: Solving Equations Using the Distributive Property		1. Solve equations using the distributive property 2. Solve multi-step equations with fractional coefficients Also consider: • Solve equations: mixed review
Lesson 15-1: Solving Equations Using the Distributive Property
1. Solve equations using the distributive property 2. Solve multi-step equations with fractional coefficients Also consider: • Solve equations: mixed review

Lesson 15-2: Solutions - One, None, or Infinitely Many		1. Find the number of solutions 2. Create equations with no solutions or infinitely many solutions
Lesson 15-2: Solutions - One, None, or Infinitely Many
1. Find the number of solutions 2. Create equations with no solutions or infinitely many solutions

Lesson 15-3: Exponents and Multiplication		1. Multiplication with exponents 2. Power rule with exponents Also consider: • Understanding exponents • Evaluate powers
Lesson 15-3: Exponents and Multiplication
1. Multiplication with exponents 2. Power rule with exponents Also consider: • Understanding exponents • Evaluate powers

Lesson 15-4: Exponents and Division		1. Division with exponents Also consider: • Multiply and divide powers: integer bases
Lesson 15-4: Exponents and Division
1. Division with exponents Also consider: • Multiply and divide powers: integer bases

Lesson 15-5: Operations with Numbers Expressed in Scientific Notation		1. Add and subtract numbers written in scientific notation 2. Multiply numbers written in scientific notation 3. Divide numbers written in scientific notation
Lesson 15-5: Operations with Numbers Expressed in Scientific Notation
1. Add and subtract numbers written in scientific notation 2. Multiply numbers written in scientific notation 3. Divide numbers written in scientific notation

Lesson 15-6: Solving Simultaneous Linear Equations Using Addition Lesson 15-7: Solving Simultaneous Linear Equations Using Subtraction		1. Solve a system of equations using elimination 2. Solve a system of equations using elimination: word problems
Lesson 15-6: Solving Simultaneous Linear Equations Using Addition Lesson 15-7: Solving Simultaneous Linear Equations Using Subtraction
1. Solve a system of equations using elimination 2. Solve a system of equations using elimination: word problems

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