•            Math Module           Strand                     Description      http://mathincontext.eb.com/curriculum

    Models You Can Count On

    Number

    Developing a conceptual sense of ratio; estimating and calculating the effects of proportional enlargements or reductions; using scale lines; organizing data into ratio tables and calculating ratios; writing fractions as alternative expressions for equivalent situations.

    Expressions and Formulas

    Algebra

    Applying order of operations when writing and solving a formula; interpreting relationships displayed in formulas, tables, and graphs; identifying equivalent expressions and dependent and independent variables.

    Fraction Times

    Number

    Using fractions to describe the relative magnitude of quantities; ordering fractions; understanding and performing addition, subtraction, multiplication, and division with fractions using models.

    Operations

    Algebra

    Calculating with positive and negative numbers; finding absolute value; graphing inequalities; plotting coordinate pairs and finding distance using absolute value.

    Comparing Quantities

    Algebra

    Organizing and translating information from stories using symbols, charts, tables, and equations; using informal strategies to solve systems of equations.

    Facts and Factors

    Number

    Exploring prime numbers, prime factorization, and divisibility rules; analyzing algorithms for multiplication and division; discovering and relating whole numbers, integers, rational, and irrational numbers by looking at the results of basic operations and their inverses.

    Reallotment

    Geometry and Measurement

    Estimating and measuring regular and irregular areas; discovering links between area, perimeter, surface area, and volume; using customary and metric units.

    Dealing with Data

    Data Analysis and Probability

    Exploring and analyzing measures of center (mean, median, mode, range, maximum, minimum); interpreting data displays including stem-and-leaf plots, scatterplots, box plots; and investigating sampling techniques.