Harrison County Schools Curriculum Guide for Math Department Course Name: _Algebra II______ Grade Level Targeted: _10-11______ Unit (s): ___________ Essential Questions toward Course Objectives Kentucky Core Content Version 4.1 Key Vocabulary Activities and Assessments Number Operations How do you solve real-world problems by simplifying real number expressions? What is the difference between an arithmetic and geometric sequence? MA-11-1.3.1 Students will solve realworld problems to specified accuracy levels by simplifying real number expressions involving addition, subtraction, multiplication, division, absolute value, integer exponents, roots (square, cube), and factorials. DOK - 2 MA-11-1.3.2 Students will: describe and extend arithmetic and geometric Addition, subtraction, multiplication, division, absolute value, integer exponents, roots, square root, cube root, factorial, distributive property, commutative property, associative property Simplify expressions with Absolute values Exponents Roots Factorials Solve geometric problems using perimeter & Pythagorean Theorem. Applying combinations & permutations to real world situations. Arithmetic sequence, geometric sequence, finite sequence, infinite sequence, common difference, common Using a list of various sequences (algebraic, geometric and other), have students determine the next 2 terms and finally, a formula for the nth term. Essential Questions toward Course Objectives What are the rules for determining specific terms of a given sequence? How do sequences apply to the real world? Kentucky Core Content Version 4.1 sequences; determine a specific term of a sequence given an explicit formula; determine an explicit rule for the nth term of an arithmetic sequence; and apply sequences to solve realworld problems. DOK - 3 MA-11-1.3.2a Students will write an explicit rule for the nth term of a geometric sequence. MA-11-1.3.2b Students will recognize and solve problems that can be modeled using a finite geometric series, such as home mortgage problems and other compound interest problems. Key Vocabulary ratio, explicit rule, nth term, summation notation Explicit rule, nth term, geometric sequence Geometric series, recursive, compound interest Activities and Assessments Describe an arithmetic sequence including common difference and initial term. Describe and geometric sequence including common difference and initial term. Use sequences to solve real-world problems such as: Bouncing ball Perimeters and areas of squares Interest Dilation Volume Linear measurement Essential Questions toward Course Objectives Kentucky Core Content Version 4.1 Key Vocabulary Activities and Assessments Transformations of Shapes How do you perform geometric transformations using matrices? MA-11-3.2.1 Students will describe properties of and apply geometric transformations within a plane to solve real-world problems. DOK - 3 Use matrices on geometric figures translations & dilations rotations & reflections Data Representations How do you analyze and interpret results and draw conclusions based on a set of data? How do you organize and display statistical models of data? MA-11-4.1.1 Students will analyze and make inferences from a set of data with no more than two variables, and will analyze situations for the use and misuse of data representations. DOK - 3 MA-11-4.1.2 Students will construct data displays for data with no more than two variables. DOK - 2 Table, scatter plot, best fit line, correlation, modeling, cubic regression, quartic regression Analyze different graphs of the same data to understand how scale affects interpretation. Table, scatter plot Represent data using tables or graphs Years of education/salary Indy 500/winning speed Altitude/precipitation Price/sales Essential Questions toward Course Objectives Kentucky Core Content Version 4.1 Key Vocabulary Activities and Assessments Mean, median, mode, range, standard deviation, distribution Gaussian normal distribution, bell curve Correlation, causation Review mean, median, and mode. MA-11-4.1.3a Students will represent real-world data using matrices and will use matrix addition, subtraction, multiplication (with matrices no larger than 2x2), and scalar multiplication to solve real-world problems. Characteristics of Data Sets How do you compare data distributions using measures of center and measures of spread? MA-11-4.2.1 Students will describe and compare data distributions and make inferences from the data based on the shapes of graphs, measures of center (mean, median, mode) and measures of spread (range, standard deviation). DOK – 2 MA-11-4.2.1a Discuss how to determine which central tendency is most appropriate. Measuring spread using range & standard deviation. Essential Questions toward Course Objectives How do you use data and curve of best fit to make and defend predictions? Kentucky Core Content Version 4.1 Students will know the characteristics of the Gaussian normal distribution (bell-shaped curve). MA-1-4.2.2 DOK 3 Students will: Identify an appropriate curve of best fit (linear, quadratic, exponential) for a set of twovariable data. Determine a line of best fit equation for a set of linear twovariable data: and Apply line of best fit equations to make predictions within and beyond a given set of data. MA-11-4.2.2a ADP Students will recognize when arguments based on data confuse correlation and causation. Key Vocabulary Activities and Assessments Table, scatter plot, best fit line, correlation, modeling, linear regression First, by hand, graph data using a scatter plot and dertermine Correlation, causation line of best fit. Then, using the same data, graph and determine line of best fit on a graphing calculator to make comparisons. Essential Questions toward Course Objectives Kentucky Core Content Version 4.1 Key Vocabulary Activities and Assessments Experiments and Samples How do you understand the use and misuse of statistics which leads to inaccurate inferences? MA-11-4.3.1 Students will recognize inappropriate strategies for data gathering (e.g., non-random sampling, polling only a specific group of people, using limited or extremely small sample sizes, bias issues) and explain why these strategies can lead to inaccurate inferences. DOK – 2 MA-11-4.3.1a Students will design simple experiments or investigations to collect data to answer questions of interest. MA-11-4.3.1b Students will explain the differences between randomized experiments and observational studies. Class discussion: What factors need to be considered when gathering data? Essential Questions toward Course Objectives Kentucky Core Content Version 4.1 Key Vocabulary Activities and Assessments Probability What is the difference between theoretical and experimental probability? Interpret the results of probability. Draw conclusions and make predictions based on those results. MA-11-4.4.1 DOK 3 Students will: Determine theoretical and experimental (from given data) probabilities; Make predictions and draw inferences from probabilities; Compare theoretical and experimental probabilities; and Determine probabilities involving replacement and non-replacement. MA-11-4.4.1a Supporting Students will recognize or identify differences between combinations and permutations and use them to count discrete quantities. Law of large numbers Probability, theoretical probability, experimental probability, permutation, combination, replacement, nonreplacement, compound event, independent event, dependent event, discrete quantity Combination, permutation, discrete quantity Probability, fraction, decimal, percentage, circle graph Use coins, number cubes, or cards to set up experiments. Compare theoretical and experimental probabilities. Essential Questions toward Course Objectives Kentucky Core Content Version 4.1 Key Vocabulary Activities and Assessments MA-11-4.4.1b Supporting Students will represent probabilities in multiple ways, such as fractions, decimals, percentages and geometric area models. MA-11-4.4.1c ADP Students will explain how the law of large numbers can be applied in simple examples. Patterns, Relations, and Functions How do you use formulas, tables and graphs to represent equations of functions? MA-11-5.1.1 Students will identify and apply multiple representations (tables, graphs, equations) of functions (linear, quadratic, absolute value, exponential) to solve real-world or mathematical problems. DOK 2 Table, graph, equation, quadratic Applications 1. Making tables, graphing, and interpreting the slope and intercepts rising from real world quantities. Fahrenheit/Celsius Distance/time Ocean depth/pressure Essential Questions toward Course Objectives Kentucky Core Content Version 4.1 Key Vocabulary MA-11-5.1.1a Students will identify, relate, and apply representations (graphs, equations, tables) of a piecewise function (such as long distance telephone rates) from mathematical or real world information. MA-11-5.1.1b Students will demonstrate how equations and graphs are models of the relationship between two real world quantities (e.g., the relationship between degrees Celsius and degrees Fahrenheit) MA-11-5.1.1c Students will recognize and solve problems that can be modeled using an exponential function, such as compound interest problems. MA-11-5.1.2 DOK 2 Students will: Relation, function, domain, range, quadratic, slope, x- Activities and Assessments Essential Questions toward Course Objectives Kentucky Core Content Version 4.1 How do you determine if a relation is a function and evaluate the function? How do you determine the following characteristics of a function: Slope of a linear function How slope shows rate of change Intercepts of a linear function Maximum/minimum of a quadratic function Domain and range Determine if a relation is a function; Determine the domain and range of a function (linear and quadratic); Determine the slope and the intercepts of a linear function; Determine the maximum, minimum, and intercepts of quadratic function; and Evaluate a function written in function notation for a specified rational number. MA-11-5.1.2a Supporting Students will find the domain and range for absolute value functions. MA-11-5.1.2b Supporting Students will apply and use Key Vocabulary intercept, y-intercept, maximum, minimum, evaluate, function notation Activities and Assessments Present vocabulary Relate vocab to a graphical representation Evaluate functions Graph functions Slope intercept Tables x- & y- intercepts Determine parallel & perpendicular lines using slope. Essential Questions toward Course Objectives How do changes in parameters affect graphs of a function? Kentucky Core Content Version 4.1 direct and indirect variation to solve real world and mathematical problems. MA-11-5.1.3 Students will identify the changes and explain how changes in parameters affect graphs of functions (linear, quadratic, absolute value, exponential) (e.g., compare y=x2, y=2x2, y=(x-4)2, and y=x2+3). DOK - 2 Key Vocabulary Parameters, function, linear, quadratic, absolute value, exponential, vertical shift, horizontal shift, stretch, shrink Variables, Expressions, and Operations How do evaluate polynomial and rational expressions? MA-11-5.2.1 DOK 1 Students will apply order of operations, real numbers, properties (identity, inverse, commutative, associative, distributive, closure), and rules of exponents (integer) to simplify algebraic expressions. MA-11-5.2.1a ADP Order of operations, identity property, inverse property, commutative property, associative property, distributive property, closure property, exponents, integer, expression Activities and Assessments Identify a function from an equation or shape Graph parent functions Discovery lessons Horizontal & vertical shifts Reflections Vertical stretch & shrink Essential Questions toward Course Objectives How do you simplify and factor polynomial expressions? How do you simplify rational expressions? Kentucky Core Content Version 4.1 Students will evaluate polynomial and rational expressions and expressions containing radicals and absolute values at specified values of their variables. MA-11-5.2.2 DOK 2 Students will: Add, subtract, and multiply polynomial expressions; Factor polynomial expressions using the greatest common monomial factor; and Factor quadratic polynomials of the form ax2 + bx + c, when a = 1, and b and c are integers. MA-11-5.2.2a Supporting Students will factor quadratic polynomials, such a perfect square trinomials and quadratic polynomials of the for ax2 + bx + c when a ≠ 1 and b and c are integers. MA-11-5.2.3 DOK 1 Students will add, subtract, Key Vocabulary Activities and Assessments Polynomial, factor, monomial, greatest common factor Factoring polynomials to solve geometric figures. Rational expression, monomial, Recognizing rational expressions Finding common denominators Essential Questions toward Course Objectives Kentucky Core Content Version 4.1 multiply, and divide simple rational expressions with monomial first-degree denominators and integer numerators (e.g., Key Vocabulary denominator, first degree denominators, numerator Activities and Assessments Performing basic operations & simplifying 3 + 4 ; 9 - -7 ; 3 • -4; 5x 3y 2a 4b -5x 7y 5 9 ), and will express 2c -11d the results in simplified form. Equations and Inequalities How do you model and solve singlevariable equations and inequalities? MA-11-5.3.1 Students will model or solve first degree, single variable equations and inequalities, including absolute value, in realworld situations, and will graph the solutions on a number line. DOK - 2 MA-11-5.3.1a Equation, inequality, first degree, absolute value, number line Multivariable equation Review solving equations & inequalities Introduce absolute value as the distance from zero on the number line. Solving absolute value equations and checking for extraneous solutions. Solving absolute value inequalities and use to find allowable ranges in measurements. Essential Questions toward Course Objectives How do you model and solve two-variable equations and inequalities? How will students model and graph systems of linear equations? Kentucky Core Content Version 4.1 Students will solve for a specified variable in a multivariable equation. MA-11-5.3.2 Students will model or solve first degree, twovariable equations and inequalities in realworld problems, and will graph the solutions on a coordinate plane. DOK - 2 MA-11-5.3.3 Students will model and graph systems of linear equations (two equations in two variables) and apply the system to solve and interpret real-world problems. DOK - 3 MA-11-5.3.3a Students will write, graph, and solve systems of linear inequalities (two inequalities in two variables) based on real world or mathematical situations and interpret the Key Vocabulary Activities and Assessments First degree equation, first degree inequalities, coordinate plane Review graphing linear equations. System, linear equations Write & solve equations that represent real world situations. Use test points to determine shading for the related inequalities. Applications Comparing prices Income vs. expenses Essential Questions toward Course Objectives Kentucky Core Content Version 4.1 Key Vocabulary Activities and Assessments solution. How do you solve real world problems involving quadratic equations? MA-11-5.3.4 Students will solve quadratic equations from real world or mathematical situations. DOK - 2 Quadratic equations Applications Accelerated motion Minimizing costs Maximizing profit