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GRADES 5 - 8

<b>About Mathematics About Mathematics

<b>Curriculum Curriculum
» Grades K - 4
» Grades 5 - 8

<b>Reed Gabhart<br> Grades 4, 8 Reed Gabhart
Grades 4, 8

<b>Sarah Wallace<br>Grades 4-8 Sarah Wallace
Grades 4-8

<b>Emily Roberts<br>Grades 2,4,6 Emily Roberts
Grades 2,4,6

<b>Sukanya Chandramouli<br>Grades 1, 3 Sukanya Chandramouli
Grades 1, 3

<b>Gallery Gallery

<b>Leslie Addicks<br> Grades 5-8 Leslie Addicks
Grades 5-8



Mathematics Curriculum Overview

Students will:

·        Demonstrate understanding and use of base-ten place value

 

Fifth Grade 

 

Number and Operations

  • write numbers in standard, expanded, and exponent notation
  • understand the relationship of the place-value structure of  the base-ten numeration system to represent and compare whole numbers and decimals
  • master the four fundamental operations with whole numbers (addition, subtraction, multiplication, and division)
  • use numbers less than 0 in everyday applications
  • describe classes of numbers according to characteristics such as the nature of their factors
  • add and subtract decimal and common fractions with the same denominators using models and drawings
  • develop and use strategies to estimate and check reasonableness of results in computational problems

Algebra

  • represent patterns, relations, and functions in a variety of ways
  • understand and use properties of operations (commutative, associative, and distributive)
  • use variables to represent numbers and solve application problems
  • identify and describe how change in one variable can cause a predictable change in a dependent variable

 Geometry

  • investigate and describe the results of transforming shapes
  • plot points in quadrants I through IV
  • find the distance between points that lie on a horizontal or vertical line in the coordinate plane
  • identify both line and rotational symmetry in two- and three-dimensional shapes
  • recognize, analyze, and explain the properties of common two- and three-dimensional figures
  • use basic geometric terms (rays, angles, line segments, sides, edges, vertices, faces, radius, diameter, perpendicular, parallel, intersecting)
  • explain congruence and give examples

Measurement                         

  • do simple conversion inside a measurement system (examples:  centimeters to meters and feet to inches)
  • understand that measurements are approximations
  • measure perimeter and area of regular and irregular figures
  • use benchmarks to estimate perimeter and area of geometric figures
  • use the correct tools and units to measure length, area, weight, time, temperature, and angles
  • develop methods to calculate perimeter
  • develop procedures (formulas) to calculate the area of rectangles and squares

Data Analysis and Probability

  • collect and display in a variety of ways data from observations, surveys, and experiments
  • recognize the difference between categorical and numerical data
  • analyze data using measures of central tendency (mean, mode, and median)

and dispersion (range)

  • make conclusions and predictions based on data information
  • make predictions of possible outcomes before collecting the information
  • develop the concept that probability predictions should range from 0 (Never will happen.) to 1 (Always will happen.)

 

Sixth Grade  

 

Number and Operations

  • maintain computational skills with whole numbers by solving application and investigation problems
  • review addition and subtraction of decimals and develop an understanding of multiplication and division of decimals
  • understand and be able to explain and use the correct placement of decimal points in all operations
  • use factors, multiples, and prime numbers in problem solving
  • convert between the three types of fractions (common, decimal, and percent)
  • add and subtract fractions with like and unlike denominators using manipulatives and drawings
  • identify proportions as two equal ratios
  • begin the study of proportional relationships including numerical and geometric
  • solve percent problems using proportions
  • develop an understanding of integers and the four fundamental operations using models
  • develop estimation skills with rational numbers

 

Algebra

  • develop an initial concept of the use of variables
  • solve one-step equations using models
  • generalize a variety of patterns
  • use graphs and charts in problem solving

 

Geometry

  • describe the relationships between two- and three-dimensional figures
  • describe sizes, positions, and orientations of shapes using transformations such as flips, turns, slides, scaling
  • apply geometric ideas to situations outside of mathematics class, such as art, design, science, and life
  • use the Cartesian coordinate system to solve problems

                                                                                                                                      

Measurement

·        know and use the metric and customary systems of measurement

·        calculate the perimeter of regular and irregular figures

·        calculate the area of rectangles, squares, parallelograms, and triangles

·        add and subtract units within the same system of measurement

 

Data Analysis and Probability

  • use charts, tables, and a variety of graphs to organize and interpret data
  • select topics, collect data, and organize a statistical study
  • use data to assist in forming opinions and making decisions
  • use measures of central tendency and dispersion

 

Seventh and Eighth Grade: Pre-Algebra 

 

Number and Operations

  • use decimal operations in application and problem solving problems
  • compare and order fractions, decimals, and percents
  • develop the skills necessary to multiply and divide fractions
  • extend the knowledge of integers and compare their relative value
  • use the associative, commutative, and distributative properties as an aid in computation
  • expand the knowledge of percent to include percents less than 1% and greater than 100%

      *    work fluently with fractions, decimals, percents, and integers

*    demonstrate an understanding of  very large and very small numbers

*    use appropriate notation including exponential and scientific

      *    use properties of operations and inverse relations to simplify computation

 

Algebra

  • continue the development of an understanding of variables
  • write algebraic phrases
  • relate different ways to represent relationships
  • use a variety of problem solving techniques such as equations, graphs, charts, and tables

*    solve equations and write equations for application problems

      *    explore the relationship between linear equations and the slope and intercepts of their graphs

 

Geometry

  • use geometric ideas and relationships to investigate congruence, similarity, and the Pythagorean theorem
  • use coordinate geometry to investigate special geometric shapes
  • use visual tools such as nets to solve problems
  • draw three-dimensional solids in two-dimensions

*    use the formal definition of similar figures as having proportional sides      

      and congruent angles to identify figures as similar and not similar and find the lengths of      corresponding sides

*    apply the principles of geometry to applications

 

Measurement

·     use the customary and metric system of measures to calculate the area of trapezoids, circles, and irregular figures

·        develop the concept of volume and cubic units to compute the volume of three-dimensional figures (rectangular prisms, cones, cubes, pyramids, cylinders)

*    calculate volume and surface area of  three-dimensional  geometric figures

*    solve problems involving scale factors

 

Data Analysis and Probability

  • compute simple theoretical probabilities

·        design probability experiments, predict results, experiment, record results, compare to   theoretical probability

  • use counting techniques, tree diagrams, area models, and tables to solve probability problems
  • represent probabilities in multiple ways (common, decimal, and percent fractions)
  • construct and interpret displays of data (tables, circle graphs, line plots, stem-and-leaf plots, scatter plots, and box-and-whiskers plots)

    *    understand and use correct terminology (sample space, event, outcome,   

          complementary events, and mutually exclusive events

      *   compute probabilities for compound events

 

           *Optional Topics

 

Eighth Grade: Algebra I 

 

Rational Numbers

  • relate rational numbers to positions on the number line
  • add, subtract, multiply, and divide integers and other rational numbers

·        estimate square roots

·        review order of operations rules

 

Equations and Inequalities

  • use algebraic expressions and  simplify polynomials
  • solve and check linear multi-step equations
  • use formulas
  • solve linear inequalities
  • represent inequality solutions using set notation and number lines
  • solve application problems using equations and inequalities

 

  Coordinate Plane and Graphing

  • learn the terminology of graphing
  • graph linear equations and simple inequalities
  • develop the concept of slope and intercepts
  • discover the relationship between slope and y-intercept and the slope-intercept form for the equation of a line
  • calculate the slope of the graph of a linear equation
  • write equations for lines given the slope and intercept, slope and pair of coordinates, and two pairs of coordinates

 

Systems of Equations

  • solve systems of equations by graphing using graph paper or a graphing calculator
  • solve systems of equations by substitution
  • solve system of equations by the elimination method

Exponents

  • understand the meaning of exponents
  • use exponents in scientific notation
  • perform operations involving integer exponents

Polynomials and Factoring

  • add and subtract polynomials
  • multiply polynomials (monomials x monomials, monomials x polynomials, polynomials x polynomials)
  • divide polynomials (monomial by monomial, polynomial by monomial, polynomial by polynomial)
  • factor polynomials (common monomials, binomials, trinomials)

 

Quadratic Equations

  • solve quadratic equations by factoring and use of the quadratic formula
  • solve quadratic equations by graphing
  • apply quadratic equations to real world problems 
Rational Expressions
  • simplify rational expressions
  • multiply and divide rational numbers
  • add and subtract rational expressions with like denominators

 

Radical Expressions

  • simplify radical expressions
  • compute with radicals
  • use the Pythagorean theorem
  • use the distance formula

 

Data and Algebra

work with variables and data

·        organize data using matrices and spreadsheets

             graph data







Mathematics Department
St. Francis School
11000 US Highway 42
Goshen, Kentucky 40026


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