Mathematics and the World We Live In

 

Gateway Algebra

Gateway Mathematics

   

Standard Number:

  1.0  Number and Operations

 

   

Performance Indicators

Reporting As documented through state assessment  -

State:

Category  

 

A

A

A

A

A

 

A

 

NS

NS

NS

AE

NS

 

NS

At Level 1, the student is able to

·          select the best estimate for the coordinate of a given point on a number line (only rational);

·          Rational Numbers on the Number Line and other information

·          identify the opposite of a rational number;

·          determine the square root of a perfect square less than 169;

·          Tutorial on Square Roots

·          use exponents to simplify a monomial written in expanded form;

·          apply order of operations when computing with integers using no more than two sets of grouping symbols and exponents 1 and 2;

·          Interactive Sample Problems on Order of Operations

·          select a reasonable solution for a real-world division problem in which the remainder must be considered.

·           

 

A

A

A

A

A

A

 

NS

NS

AE

NS

NS

NS

At Level 2, the student is able to

·          order a given set of rational numbers (both fraction and decimal notations);

·          Examples of ordering Rational Numbers

·          identify the reciprocal of a rational number;

·          Interactive site on Reciprocals

·          add and subtract algebraic expressions;

·          Adding and Subtracting Algebraic Expression

·          multiply two polynomials with each factor having no more than two terms;

·          use estimation to determine a reasonable solution for a tedious arithmetic computation;

·          Estimate

·          select ratios and proportions to represent real-world problems (e.g., scale drawings, sampling, etc.).

·          Ratios and Proportions

 

A

 

RW

At Level 3, the student is able to

·          apply the concept of slope to represent rate of change in a real-world situation.

Performance Indicators

 

As documented through teacher observation -

Teacher:

   
 

 

At Level 1, the student is able to

·          connect a variety of real-world situations to integers;

·          use manipulatives to represent commutative and associative properties of addition and multiplication;

·          investigate alternate algorithms that show the relationship of division to subtraction and multiplication to addition;

·          analyze prime and composite numbers;

·          Prime and Composite Numbers

·          compare and contrast the GCF and LCM of a set of numbers;

·          GCF and LCM

·          refine strategies for estimating whole numbers, fractions, and percentages.

·          Fractions, Decimals and Percents

 

 

At Level 2, the student is able to

·          probe the relationships among various subsets of the real number system;

·          compare and contrast the GCF and LCM of a set of algebraic expressions;

·          construct a number line to describe the absolute value of a number as distance from zero;

·          model operations using real-world situations and physical representations;

·          perform operations on matrices using appropriate technology (addition, subtraction, and scalar multiplication);

·          explore various representations of absolute value.

               

 

At Level 3, the student is able to

·          research the history of prime numbers and their uses;

·          scrutinize approximate values of real numbers such as pi and the square root of two.

·          Pi and Pi Day Activities


 

Standard Number:

  2.0 Algebra

 

   

Performance Indicators

Reporting As documented through state assessment  -

State:

Category  

 

A

A

A

A

A

 

SSG

AE

AE

AE

EI

At Level 1, the student is able to

·          extend a geometric pattern;

·          extend a numerical pattern;

·          translate a verbal expression into an algebraic expression;

·          evaluate a first degree algebraic expression given values for one or more variables;

·          solve one- and two-step linear equations using integers (with integral coefficients and constants).

·          Interactive Equation Game ( 1 and 2 Step)

·          Solving One Step Equations with Multiplication and Division

·          Solving One Step Equations with Addition and Subtraction

·          Solving Equations Matching Game

·          Equations Quiz

·          Equation Aquarium

 

A

 

A

A

A

 

A

 

A

 

A

 

A

 

A

 

A

A

A

A

A

 

EI

 

EI

GG

EI

 

EI

 

EI

 

GG

 

GG

 

AE

 

GG

RW

EI

GG

EI

At Level 2, the student is able to

·          select the algebraic notation which generalizes the pattern represented by data in a given table;

·          translate a verbal sentence into an algebraic equation;

·          select the graph that represents a given linear function expressed in slope-intercept form;

·          Slope Intercept Tutorial

·          solve multi-step linear equations (more than two steps, variables on only one side of the equation);

·          Example Problems of Two Step Equations

·          solve multi-step linear equations (more than two steps, with variables on both sides of the equation);

·          Example Problems of Variables on Both Sides Equations

·          solve multi-step linear equations (more than two steps, with one set of parentheses on each side of the equation);

·          select the linear graphs that models the given real-world situation described in a narrative (no data set given);

·          select the linear graph that models the given real-world situation described in a tabular set of data;

·          evaluate an algebraic expression given values for one or more variables using grouping symbols and/or exponents less than four;

·          determine the slope from the graph of a linear equation (no labeled points);

·          Slope Tutorial              

·          apply the concept of rate of change to solve real-world problems;

·          select the appropriate graphical representation of a given linear inequality;

·          Tutorial on Graphing Inequalities

·          select the nonlinear graph that models the given real-world situation or vice versa;

·          identify the graphical representation of the solution to a one-variable inequality on a number line.

·          Solving Inequalities

 

A

A

 

A

 

RW

GG

 

GG

At Level 3, the student is able to

·          solve multi-step linear inequalities in real-world situations;

·          recognize the graphical transformation that occurs when coefficients and/or constants of the corresponding linear equations are changed;

·          determine the domain and/or range of a function represented by the graph of real-world situations,

·          Domain and Range

*         Select the system of equations that could be used to solve a given real-world problem.

*         Find the solution to a quadratic equation given in standard form (integral solutions and a leading coefficient of one).

*         Quadratic Equation Tutorial

*         Select the solution to a quadratic equation given solutions represented in graphical form (integral solutions and a leading coefficient of one).

*         Graphically find Solutions of a Quadratic

*         Select one of the factors (x + 3) of a quadratic equation (integral solutions and a leading coefficient of one).

*         Select the discriminant of a quadratic equation (integral solutions and a leading coefficient of one).

*         Discriminant and Quadratic Review

*         Recommended by the 2003 committee as additional state performance indicators. Additional state performance indicators will begin to be assessed during 2005-2006.

Performance Indicators

 

As documented through teacher observation -

Teacher:

   
 

 

At Level 1, the student is able to

·          analyze rational number patterns;

·          describe in writing the pattern for real-world data listed in a function table.

 

 

At Level 2, the student is able to

·          produce an equation to describe the relationship between data sets;

·          explore patterns including Pascal's Triangle and a Fibonacci sequence;

·          solve a system of two linear equations using the graphing, elimination, and substitution methods;

·          defend the selection of a method for solving a system of equations;

·          represent algebraic expressions and operations using manipulatives;

·          model the steps for solving simple linear equations using manipulatives;

·          write an equation that symbolically expresses a problem solving situation;

·          justify correct results of algebraic procedures;

·          distinguish between a function and other relationships.

 

 

At Level 3, the student is able to

·          analyze "families of functions" using technology.

 

Standard Number:

  3.0 Geometry

 

   

Performance Indicators

Reporting As documented through state assessment  -

State:

Category  

 

A

 

GG

At Level 1, the student is able to

·          identify ordered pairs in the coordinate plane.

·          FREE GRAPH PAPER!!!

 

A

 

A

 

SSG

 

SSG

At Level 2, the student is able to

·          apply the given Pythagorean theorem to a real life problem illustrated by a diagram (no radicals in answer);

·          apply proportion and the concepts of similar triangles to find the length of a missing side of a triangle.

·           

 

A

 

SSG

At Level 3, the student is able to

·          calculate the distance between two points given the Pythagorean theorem and the distance formula.

Performance Indicators

 

As documented through teacher observation -

Teacher:

   

 

 

At Level 1, the student is able to

·         describe real-world uses of geometric formulas and relationships;

·         discuss issues related to estimating areas of irregular-shaped figures for real-world uses (i.e., fencing, painting, laying carpet, or purchasing wallpaper or border).

 

 

At Level 2, the student is able to

·          explain how to determine if a triangle is a right triangle when given the measurements of all three sides;

·          illustrate the Pythagorean theorem by measuring the length, width, and diagonals of rectangular objects; design area models to illustrate the Pythagorean theorem.

 

 

At Level 3, the student is able to

·          determine the height of an object that is difficult to measure by using the properties of similar triangles.


 

Standard Number:

  4.0 Measurement

 

   

Performance Indicators

Reporting As documented through state assessment  -

State:

Category  

 

A

A

 

A

 

SSG

RW

 

SSG

At Level 1, the student is able to

·          estimate the area of irregular geometric figures on a grid;

·          calculate rates involving cost per unit to determine the best buy (no more than three samples);

·          apply the given formula to determine the area or perimeter of a rectangle.

·          Area and Perimeter

 

A

 

SSG

At Level 2, the student is able to

·          apply the given formula to find the area of a circle, the circumference of a circle, or the volume of a rectangular solid.

·          Area and Perimeter of a Circle

 

A

 

AE

At Level 3, the student is able to

·          select the area representation for a given product of two one-variable binomials with positive constants and coefficients.

Performance Indicators

 

As documented through teacher observation -

Teacher:

   

 

 

At Level 1, the student is able to

·          justify the selection of a unit of measure in specific situations;

·          defend estimates of the perimeter and/or area of rectangles and triangles;

·          discover and explain formulas used to compute area and volume.

 

 
At Level 2, the student is able to

·          describe the procedure for determining the area of a composite shape in a real-world situation;

·          generalize area formulas using manipulatives for a parallelogram, a triangle, and a trapezoid;

·          defend an estimate for the volume of a container;

·          relate the volume of a container to its shape;

·          analyze precision, accuracy, tolerance, and approximate error in measurement situations.