IXL skill plan | Pre-Algebra plan for Henrico County Public Schools

Skill plan for Henrico County Public Schools - Pre-Algebra

IXL provides skill alignments with recommended IXL skills for every student. Find the IXL skills that are right for you below!

Unit

Print skill plan

1	Unit 1 Let's Meet the Data Cycle and Boxplots, the Best Representation?
8.PS.2: The student will apply the data cycle (formulate questions; collect or acquire data; organize and represent data; and analyze data and communicate results) with a focus on boxplots.		Sampling 1. Identify representative, random, and biased samples Outliers 2. Identify an outlier Box plots 3. Calculate quartiles and interquartile range 4. Box plots 5. Compare populations using box plots Choose the best type of graph 6. Choose the best type of graph
8.PS.2: The student will apply the data cycle (formulate questions; collect or acquire data; organize and represent data; and analyze data and communicate results) with a focus on boxplots.
Sampling 1. Identify representative, random, and biased samples Outliers 2. Identify an outlier Box plots 3. Calculate quartiles and interquartile range 4. Box plots 5. Compare populations using box plots Choose the best type of graph 6. Choose the best type of graph

2	Unit 2 Equivalent Expressions
8.PFA.1: The student will represent, simplify, and generate equivalent algebraic expressions in one variable.		Use models 1. Simplify expressions by combining like terms: with algebra tiles 2. Multiply using the distributive property: area models 3. Identify equivalent linear expressions using algebra tiles Simplify expressions 4. Simplify expressions by combining like terms 5. Multiply using the distributive property 6. Write equivalent expressions using properties 7. Add and subtract linear expressions Identify equivalent linear expressions 8. Identify equivalent linear expressions I 9. Identify equivalent linear expressions II 10. Identify equivalent linear expressions: word problems
8.PFA.1: The student will represent, simplify, and generate equivalent algebraic expressions in one variable.
Use models 1. Simplify expressions by combining like terms: with algebra tiles 2. Multiply using the distributive property: area models 3. Identify equivalent linear expressions using algebra tiles Simplify expressions 4. Simplify expressions by combining like terms 5. Multiply using the distributive property 6. Write equivalent expressions using properties 7. Add and subtract linear expressions Identify equivalent linear expressions 8. Identify equivalent linear expressions I 9. Identify equivalent linear expressions II 10. Identify equivalent linear expressions: word problems

8.MG.5: The student will solve area and perimeter problems involving composite plane figures, including those in context.		1. Area of parallelograms 2. Area of trapezoids 3. Area of composite figures 4. Perimeter of parallelograms and trapezoids 5. Semicircles: calculate area, perimeter, radius, and diameter
8.MG.5: The student will solve area and perimeter problems involving composite plane figures, including those in context.
1. Area of parallelograms 2. Area of trapezoids 3. Area of composite figures 4. Perimeter of parallelograms and trapezoids 5. Semicircles: calculate area, perimeter, radius, and diameter

3	Unit 3 New Contexts for Equations We Know How to Solve
8.CE.1: The student will estimate and apply proportional reasoning and computational procedures to solve contextual problems.		Tax, tip, discount, and markup 1. Percent of a number: tax, discount, and more 2. Find the percent: tax, discount, and more 3. Estimate tips Percents 4. Multi-step problems with percents 5. Percent of change: word problems
8.CE.1: The student will estimate and apply proportional reasoning and computational procedures to solve contextual problems.
Tax, tip, discount, and markup 1. Percent of a number: tax, discount, and more 2. Find the percent: tax, discount, and more 3. Estimate tips Percents 4. Multi-step problems with percents 5. Percent of change: word problems

8.MG.1: The student will use the relationships among pairs of angles that are vertical angles, adjacent angles, supplementary angles, and complementary angles to determine the measure of unknown angles.		1. Identify complementary, supplementary, vertical, adjacent, and congruent angles 2. Find measures of complementary, supplementary, vertical, and adjacent angles
8.MG.1: The student will use the relationships among pairs of angles that are vertical angles, adjacent angles, supplementary angles, and complementary angles to determine the measure of unknown angles.
1. Identify complementary, supplementary, vertical, adjacent, and congruent angles 2. Find measures of complementary, supplementary, vertical, and adjacent angles

4	Unit 4 Irrational Numbers Enter the Real Number System
8.NS.1: The student will compare and order real numbers and determine the relationships between real numbers.		Estimate and graph irrational numbers 1. Estimate positive square roots 2. Estimate positive and negative square roots 3. Irrational numbers on number lines Compare and order rational numbers 4. Compare and order integers 5. Compare rational numbers 6. Put rational numbers in order 7. Compare percents to fractions and decimals Compare numbers in scientific notation 8. Compare numbers written in scientific notation Compare and order real numbers 9. Compare and order rational and irrational numbers
8.NS.1: The student will compare and order real numbers and determine the relationships between real numbers.
Estimate and graph irrational numbers 1. Estimate positive square roots 2. Estimate positive and negative square roots 3. Irrational numbers on number lines Compare and order rational numbers 4. Compare and order integers 5. Compare rational numbers 6. Put rational numbers in order 7. Compare percents to fractions and decimals Compare numbers in scientific notation 8. Compare numbers written in scientific notation Compare and order real numbers 9. Compare and order rational and irrational numbers
Checkpoint opportunity		1. Checkpoint: Compare and order real numbers
Checkpoint opportunity
1. Checkpoint: Compare and order real numbers

8.NS.2: The student will investigate and describe the relationship between the subsets of the real number system.		1. Classify numbers 2. Identify rational and irrational square roots 3. Identify rational and irrational numbers
8.NS.2: The student will investigate and describe the relationship between the subsets of the real number system.
1. Classify numbers 2. Identify rational and irrational square roots 3. Identify rational and irrational numbers
Checkpoint opportunity		1. Checkpoint: Classify real numbers
Checkpoint opportunity
1. Checkpoint: Classify real numbers

5	Unit 5 Independent or Dependent Events
8.PS.1: The student will use statistical investigation to determine the probability of independent and dependent events, including those in context.		1. Identify independent and dependent events 2. Probability of independent and dependent events
8.PS.1: The student will use statistical investigation to determine the probability of independent and dependent events, including those in context.
1. Identify independent and dependent events 2. Probability of independent and dependent events

6	Unit 6 New Equations and Contexts in Geometry
8.PFA.4: The student will write and solve multistep linear equations in one variable, including problems in context that require the solution of a multistep linear equation in one variable.		Use models 1. Model and solve equations using algebra tiles 2. Write and solve equations that represent diagrams Properties of equality 3. Properties of equality 4. Identify equivalent equations Two-step equations 5. Solve two-step equations 6. Solve equations involving like terms 7. Solve two-step equations: complete the solution Multi-step equations 8. Solve equations with variables on both sides 9. Solve equations with variables on both sides: fractional coefficients 10. Solve equations using the distributive property 11. Solve multi-step equations 12. Solve multi-step equations with fractional coefficients 13. Solve equations: mixed review 14. Solve multi-step equations: complete the solution Word problems 15. Solve two-step equations: word problems 16. Solve equations with variables on both sides: word problems Solutions 17. Which x satisfies an equation?
8.PFA.4: The student will write and solve multistep linear equations in one variable, including problems in context that require the solution of a multistep linear equation in one variable.
Use models 1. Model and solve equations using algebra tiles 2. Write and solve equations that represent diagrams Properties of equality 3. Properties of equality 4. Identify equivalent equations Two-step equations 5. Solve two-step equations 6. Solve equations involving like terms 7. Solve two-step equations: complete the solution Multi-step equations 8. Solve equations with variables on both sides 9. Solve equations with variables on both sides: fractional coefficients 10. Solve equations using the distributive property 11. Solve multi-step equations 12. Solve multi-step equations with fractional coefficients 13. Solve equations: mixed review 14. Solve multi-step equations: complete the solution Word problems 15. Solve two-step equations: word problems 16. Solve equations with variables on both sides: word problems Solutions 17. Which x satisfies an equation?
Checkpoint opportunity		1. Checkpoint: Solve linear equations
Checkpoint opportunity
1. Checkpoint: Solve linear equations

8.MG.4: The student will apply the Pythagorean Theorem to solve problems involving right triangles, including those in context.		1. Converse of the Pythagorean theorem: is it a right triangle? 2. Pythagorean theorem: find the length of the hypotenuse 3. Pythagorean theorem: find the missing leg length 4. Pythagorean theorem: find the missing leg or hypotenuse length 5. Pythagorean theorem: find the perimeter 6. Pythagorean theorem: word problems
8.MG.4: The student will apply the Pythagorean Theorem to solve problems involving right triangles, including those in context.
1. Converse of the Pythagorean theorem: is it a right triangle? 2. Pythagorean theorem: find the length of the hypotenuse 3. Pythagorean theorem: find the missing leg length 4. Pythagorean theorem: find the missing leg or hypotenuse length 5. Pythagorean theorem: find the perimeter 6. Pythagorean theorem: word problems
Checkpoint opportunity		1. Checkpoint: The Pythagorean theorem
Checkpoint opportunity
1. Checkpoint: The Pythagorean theorem

8.MG.2: The student will investigate and determine the surface area of square-based pyramids and the volume of cones and square-based pyramids.		1. Surface area of rectangular pyramids 2. Volume of cones 3. Volume of rectangular pyramids
8.MG.2: The student will investigate and determine the surface area of square-based pyramids and the volume of cones and square-based pyramids.
1. Surface area of rectangular pyramids 2. Volume of cones 3. Volume of rectangular pyramids

8.MG.1: The student will use the relationships among pairs of angles that are vertical angles, adjacent angles, supplementary angles, and complementary angles to determine the measure of unknown angles.		1. Write and solve equations using angle relationships
8.MG.1: The student will use the relationships among pairs of angles that are vertical angles, adjacent angles, supplementary angles, and complementary angles to determine the measure of unknown angles.
1. Write and solve equations using angle relationships

7	Unit 7 Solving Inequalities
8.PFA.5: The student will write and solve multistep linear inequalities in one variable, including problems in context that require the solution of a multistep linear inequality in one variable.		1. Solve multi-step inequalities 2. Solve inequalities with integers: variables on both sides 3. Solve inequalities with decimals: variables on both sides 4. Graph solutions to multi-step inequalities 5. Solutions to inequalities
8.PFA.5: The student will write and solve multistep linear inequalities in one variable, including problems in context that require the solution of a multistep linear inequality in one variable.
1. Solve multi-step inequalities 2. Solve inequalities with integers: variables on both sides 3. Solve inequalities with decimals: variables on both sides 4. Graph solutions to multi-step inequalities 5. Solutions to inequalities
Checkpoint opportunity		1. Checkpoint: Solve multi-step inequalities
Checkpoint opportunity
1. Checkpoint: Solve multi-step inequalities

8	Unit 8 The Data Cycle Continues and Scatterplots Take the Lead
8.PS.3: The student will apply the data cycle (formulate questions; collect or acquire data; organize and represent data; and analyze data and communicate results) with a focus on scatterplots.		1. Create scatter plots 2. Identify trends with scatter plots 3. Interpret scatter plots 4. Make predictions with scatter plots 5. Outliers in scatter plots 6. Identify lines of best fit 7. Write equations for lines of best fit
8.PS.3: The student will apply the data cycle (formulate questions; collect or acquire data; organize and represent data; and analyze data and communicate results) with a focus on scatterplots.
1. Create scatter plots 2. Identify trends with scatter plots 3. Interpret scatter plots 4. Make predictions with scatter plots 5. Outliers in scatter plots 6. Identify lines of best fit 7. Write equations for lines of best fit
Checkpoint opportunity		1. Checkpoint: Scatter plots and lines of best fit
Checkpoint opportunity
1. Checkpoint: Scatter plots and lines of best fit

8.PFA.2: The student will determine whether a given relation is a function and determine the domain and range of a function.		1. Identify functions 2. Domain and range of functions
8.PFA.2: The student will determine whether a given relation is a function and determine the domain and range of a function.
1. Identify functions 2. Domain and range of functions
Checkpoint opportunity		1. Checkpoint: Understand functions
Checkpoint opportunity
1. Checkpoint: Understand functions

9	Unit 9 Lines and Their Equations from Transformations
8.PFA.3: The student will represent and solve problems, including those in context, by using linear functions and analyzing their key characteristics (the value of the y-intercept (b) and the coordinates of the ordered pairs in graphs will be limited to integers).		Independent and dependent variables 1. Identify independent and dependent variables Characteristics of linear functions 2. Find the slope from a graph 3. Find the slope from two points 4. Find the slope from a table 5. Slope-intercept form: find the slope and y-intercept 6. Interpret the slope and y-intercept of a linear function Graph equations 7. Graph a line from an equation in slope-intercept form Tables 8. Complete a table for a linear function 9. Complete a table and graph a linear function 10. Complete a table for the graph of a line Write equations 11. Write a linear function from a table 12. Write a linear equation from a slope and y-intercept 13. Write a linear equation from a slope and a point 14. Write a linear equation from two points 15. Write a linear equation from a graph 16. Write linear functions: word problems
8.PFA.3: The student will represent and solve problems, including those in context, by using linear functions and analyzing their key characteristics (the value of the y-intercept (b) and the coordinates of the ordered pairs in graphs will be limited to integers).
Independent and dependent variables 1. Identify independent and dependent variables Characteristics of linear functions 2. Find the slope from a graph 3. Find the slope from two points 4. Find the slope from a table 5. Slope-intercept form: find the slope and y-intercept 6. Interpret the slope and y-intercept of a linear function Graph equations 7. Graph a line from an equation in slope-intercept form Tables 8. Complete a table for a linear function 9. Complete a table and graph a linear function 10. Complete a table for the graph of a line Write equations 11. Write a linear function from a table 12. Write a linear equation from a slope and y-intercept 13. Write a linear equation from a slope and a point 14. Write a linear equation from two points 15. Write a linear equation from a graph 16. Write linear functions: word problems
Checkpoint opportunity		1. Checkpoint: Construct, interpret, and graph linear functions 2. Checkpoint: Interpret slopes and y-intercepts
Checkpoint opportunity
1. Checkpoint: Construct, interpret, and graph linear functions 2. Checkpoint: Interpret slopes and y-intercepts

8.MG.3: The student will apply translations and reflections to polygons in the coordinate plane.		Translations 1. Translations: find the coordinates 2. Translations: graph the image Reflections 3. Reflections over the x- and y-axes: find the coordinates 4. Reflections over the x- and y-axes: graph the image Translations and reflections 5. Sequences of transformations: translations and reflections 6. Identify reflections and translations
8.MG.3: The student will apply translations and reflections to polygons in the coordinate plane.
Translations 1. Translations: find the coordinates 2. Translations: graph the image Reflections 3. Reflections over the x- and y-axes: find the coordinates 4. Reflections over the x- and y-axes: graph the image Translations and reflections 5. Sequences of transformations: translations and reflections 6. Identify reflections and translations