Curriculum Map for 8th Grade Algebra at HTS

Topic & Content
Skills
Assessment
September

Language of Algebra

Variables and Constants,
Grouping and Operation Symbols,
Expressions and Equations,
Bases and Exponents

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Properties of Real Numbers

Commutative, Associative & Distributive Properties

Consecutive Integers

Reciprocals

Translating words into symbols, expressions and equations

Simplifying expressions following the proper order of operations

Converting story problems into equations using variables and appropriate symbols

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Using the Number Line to demonstrate the rules for adding and subtracting integers

 

Create story problems and then build expressions and equations to solve them. Challenge fellow students with your problems, then verify how they solved yours.

Demonstrate proficiency on chapter test

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Represent properties by using concrete models and algebra tiles

October

Solving Equations & Problems Using One Variable

Inverse Operations

Equations with variables on both sides

Story problems involving cost, value and income

 

Using inverse operations to solve one & two step equations

Combining like terms within an expression or equation

Set up charts to help organize information to solve problems.

Use substitution to represent additional variables in terms of the first variable.

Convert story problems into equations involving the use of one variables.

Represent any other variables in terms of the first variable

Substitute these variables into a "Master Equation".

Solve these equations.

Chapter tests on all related skills

November

Linear Equations

Equations in two variables

Slope and rate of change

Constant - y-intercept

Representing relationships between two sets of numeric data with a symbolic rule (function)
Representing same relationship using a plot on the coordinate plane

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Solving Systems of Equations Using Two Variables

 

Systems of linear equations

Create equations in two variables

Given numeric data, plot these points on a coordinate plane.

Find the slope and y-intercept of a line

Given a pair of points, find the equation of the line that encompasses these points

Convert the linear equation from slope-intercept form to standard form.

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Solving systems of equations by graphing, substitution and linear combination (AKA elimination)

Plot points on the coordinate plane to represent a linear relationship.

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Given 4 different systems of equations, determine which method of solving the sytem is most appropriate.

Solve those systems using four different methods:
graphing by hand on graph paper including a clearly labelled set of axes and scale,
graphing on a graphing calculator,
combining the two linear equations to eliminate one of the variables first,
substituting one variable with an expression involving the second variable, then solving as a one-variable equation.

Given story problems involving two variables, represent these using a system of equations.

Chapter tests on all related skills

December

Polynomials and Factoring

Exponents
Polynomials

Story problems involving polynomial expressions including rate-time-distance, area of rectangles & problems without solutions.

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Factoring polynomial expressions

Using patterns to assist in factoring

Solving equations using factoring

Adding and subtracting polynomials

Multiplying and dividing polynomials

Raising polynomial expressions to powers

Transforming formulas & Solving for one variable in terms of another

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Factoring integers and expressions

Factoring using GCF
Factoring by grouping
Factoring by Difference of Squares

Factoring patterns for ax^2 + bx + c

Factoring using several methods on the same polynomial expression

Solving equations by factoring

Using factoring to solve problems.

Build polynomial expressions by multiplying monomials and binomials.

Demonstrate the F.O.I.L. method using the standard multiplication algorithm.

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Challenge your partner by multiplying binomials to create a trinomial or other polynomial and then swap polynomials for factoring them back down into simplest factored form.

Convert story problems into charts and master equations, then solve these equations by factoring.

 

Chapter tests on all related skills

January

Rational Expressions

Fractions and rational expressions

Restrictions on variables in rational expressions

Common denominators

Polynomial long division

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Applications of Rational Expressions

Ratio and proportion

Equations with fractional coefficients

Story problems involving percent, wet and dry mixtures, and rate of work

Negative exponents & scientific notation

Simplifying, multiplying and dividing rational expressions

Adding and subtracting rational expressions with like and unlike denominators

Long division of polynomials

Synthetic division of polynomials

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Solving equations involving rational expressions

Creating equations involving ratios and proportions, and solving them

Simplifying problems with negative exponents into standard form

Converting numbers from standard form to scientific notation to expanded notation and back again

Chapter tests on all related skills

Demonstrate how synthetic division mirrors the important steps in polynomial long division

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Convert story problems involving mixtures and rate of work into equations with rational expressions, then solve them

Chapter tests on all related skills

February

Functions and Relations

Functions defined by tables, graphs and equations

Graphing of linear functions

Quadratic functions

Direct and inverse variation

Determining whether or not a given relation is a function

Graphing quadratic functions, listing the axis of symmetry, the vertex, the roots and the y-intercept

Use the vertical line test to determine if the plot of a given relation defines a function. If so, what kind of function?

Show the effects of a change in each of the coefficients or constants in this equation (ax^2 + bx + c) on the graph of the function.

Chapter tests on all related skills

March

Inequalties in One Variable

Order of real numbers

One variable inequalities

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Inequalities in Two Variables

Two variable inequalities

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Absolute Value

Absolute Value inequalities in one and two variables

Solving inequalities and graphing the solution on a number line

Solving conjunctions and disjunctions of combined inequalities

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Solving two variable inequalities and graphing their solution on the coordinate plane

Graphing systems of inequalities on the coordinate plane

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Solving equations and inequalities involving absolute value and graphing their solutions appropriately

Given number lines and graphs of coordinate planes, write up problems to match each situations.

Match graphs and number lines to given inequalities

Chapter tests on all related skills

April

Rational and Irrational Numbers

Properties of rational numbers

Perfect squares

Simplified form of irrational numbers

Pythagorean Theorem

Converting repeating and terminating decimals into rational numbers

Simplifying rational square roots and irrational square roots

Simplifying square roots of variable expressions

Multiplying and dividing radicals

Adding and subtracting radicals

Multiplication of binomials containing radicals

Solving simple radical equations

Create right triangles representing Pythagorean triples on graph paper

Chapter test on all related skills

 

May

Quadratic Functions

Quadratic equations with perfect squares

Completing the square

Quadratic formula

Discriminant and graphing

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Tying It All Together

Solving quadratic equations by the following methods:

  • perfect squares
  • completing the square
  • quadratic formula
  • graphing on the coordinate plane

Solving and graphing direct and inverse variation problems involving squares (optional - do not always have time to cover these)

Solving problems involving joint and combined variation (optional - do not always have time to cover these)

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Analyzing equations and determining best method for solving them.

Using multiple methods to solve same equations

Given 4 quadratic equations, determine the best method for solving them; then solve them

Retrace derivation of the quadratic formula

Given a quadratic equation in the form y = ax^2 + bx + c, determine how many solutions there will be, and if they are real solutions

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Given a group of equations of different degrees, determining the best method for solving each of them.

Use multiple methods to solve the same equation or system of equations

 
Additional Topics Covered

Probability & Discrete Math

Zip code, counting principle, systematic lists, tree diagrams

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Line of best fit

Geometry Integrations

Coordinate graphing of parallel and perpendicular lines

Solving puzzle problems from the real world

Deciphering bar codes

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Finding line of best fit using graphing calculator

Create spiral and rectangular spiral representing golden ratio on graph paper

Decipher the bar code in the US zip code and the UPC

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Finding line of best fit with real world data - Slinky problem

       
Gaps in Current Curriculum
Matrices

Creating a matrix given sets of tabular data

Use scalar multiplication to multiply a matrix by a constant

 
       

Superfluous
Topics

None (possible candidates are the review topics in the first two chapters of the book. However, to make sure all students are up to speed with necessary skills to start Algebra I)
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