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Mr. David Kunchynski

Teacher, 7th & 8th Grade Mathematics

West Iron County Middle & High School, Room 166

701 Garfield Ave

Iron River MI 49935

906.265.5184, 4166

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Math Tools and Resources

IXL features practice problems for just about any math topic. It is also available as an app: iOS, Android coming soon.

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Our current unit is...

Unit D: Geometry

Resources for 7.G.2 - Draw (freehand, with ruler and protractor, and with technology) geometric shapes with given conditions.

Resources for 7.G.3 - Describe the two-dimensional figures that result from slicing three-dimensional figures, as in plane sections of right rectangular prisms and right rectangular pyramids.

Resources for 7.G.4 - Know the formulas for the area and circumference of a circle and use them to solve problems; give an informal derivation of the relationship between the circumference and area of a circle.

Resources for 7.G.6 - Solve real-world and mathematical problems involving area, volume and surface area of two- and three-dimensional objects composed of triangles, quadrilaterals, polygons, cubes, and right prisms.

Resources for 7.G.5 - Use facts about supplementary, complementary, vertical, and adjacent angles in a multi-step problem to write and solve simple equations for an unknown angle in a figure.

Use facts about supplementary, complementary, vertical, and adjacent angles in a multi-step problem to write and solve simple equations for an unknown angle in a figure. (6 videos)

Solve real-world and mathematical problems involving area, volume and surface area of two- and three-dimensional objects composed of triangles, quadrilaterals, polygons, cubes, and right prisms. (17 videos)

Our current unit is...

Unit III: Introduction to Sampling and Inference

Resources for 7.SP.1 - Understand that statistics can be used to gain information about a population by examining a sample of the population.

Resources for 7.SP.3 - Informally assess the degree of visual overlap of two numerical data distributions with similar variabilities.

Resources for 7.SP.2 - Use data from a random sample to draw inferences about a population with an unknown characteristic of interest.

Resources for 7.SP.4 - Use measures of center and measures of variability for numerical data from random samples to draw informal comparative inferences about two populations.

Resources for 7.SP.5 - Understand that the probability of a chance event is a number between 0and 1 that expresses the likelihood of the event occurring.

Resources for 7.SP.6 - Approximate the probability of a chance event by collecting data on the chance process that produces it and observing its long-run relative frequency, and predict the approximate relative frequency given the probability.

Resources for 7.SP.8 - Find probabilities of compound events using organized lists, tables, tree diagrams, and simulation.

Resources for 7.SP.7 - Develop a probability model and use it to find probabilities of events.

What is an Unbiased Sample? (1 video)

Use measures of center and measures of variability for numerical data from random samples to draw informal comparative inferences about two populations. (5 videos)

What is Probability? (1 video)

What is Experimental Probability? (1 video)

How Do You Find the Probability of a Simple Event? (1 video)

Use measures of center and measures of variability for numerical data from random samples to draw informal comparative inferences about two populations. (5 videos)

What is Probability? (1 video)

What is Experimental Probability? (1 video)

How Do You Find the Probability of a Simple Event? (1 video)

Understand that, just as with simple events, the probability of a compound event is the fraction of outcomes in the sample space for which the compound event occurs. (4 videos)

Represent sample spaces for compound events using methods such as organized lists, tables and tree diagrams. For an event described in everyday language, identify the outcomes in the sample space which compose the event. (6 videos)

How Do You Use a Simulation to Solve a Problem? (1 video)

Represent sample spaces for compound events using methods such as organized lists, tables and tree diagrams. For an event described in everyday language, identify the outcomes in the sample space which compose the event. (6 videos)

How Do You Use a Simulation to Solve a Problem? (1 video)

Our current unit is...

Unit F: Statistics

Resources for 8.SP.1 - Construct and interpret scatter plots for bivariate measurement data to investigate patterns of association between two quantities. Describe patterns such as clustering, outliers, positive or negative association, linear association, and nonlinear association.

Resources for 8.SP.2 - Know that straight lines are widely used to model relationships between two quantitative variables. For scatter plots that suggest a linear association, informally fit a straight line, and informally assess the model fit by judging the closeness of the data points to the line.

Resources for 8.SP.3 - Use the equation of a linear model to solve problems in the context of bivariate measurement data, interpreting the slope and intercept.

Resources for 8.SP.4 - Understand that patterns of association can also be seen in bivariate categorical data by displaying frequencies and relative frequencies in a two-way table. Construct and interpret a two-way table summarizing data on two categorical variables collected from the same subjects. Use relative frequencies calculated for rows or columns to describe possible association between the two variables.

Construct and interpret scatter plots for bivariate measurement data to investigate patterns of association between two quantities. Describe patterns such as clustering, outliers, positive or negative association, linear association, and nonlinear association. (8 videos)

Know that straight lines are widely used to model relationships between two quantitative variables. For scatter plots that suggest a linear association, informally fit a straight line, and informally assess the model fit by judging the closeness of the data points to the line. (1 video)

Understand that patterns of association can also be seen in bivariate categorical data by displaying frequencies and relative frequencies in a two-way table. Construct and interpret a two-way table summarizing data on two categorical variables collected from the same subjects. Use relative frequencies calculated for rows or columns to describe possible association between the two variables. (1 video)

Our current unit is...

Unit 5: Functions

Click the cover to view an interactive table of contents for our textbook...

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Resources for F.IF.1 - Understand that a function from one set (called the domain) to another set (called the range) assigns to each element of the domain exactly one element of the range.

Resources for F.IF.8 - Write a function defined by an expression in different but equivalent forms to reveal and explain different properties of the function.

Resources for F.BF.1 - Write a function that describes a relationship between two quantities.

Resources for A.CED.1 - Create equations and inequalities in one variable and use them to solve problems.

Resources for F.IF.2 - Use function notation, evaluate functions for inputs in their domains, and interpret statements that use function notation in terms of a context.

Resources for F.BF.4 - Find inverse functions.

Resources for F.IF.7 - Graph functions expressed symbolically and show key features of the graph, by hand in simple cases and using technology for more complicated cases.

Resources for F.IF.9 - Compare properties of two functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions).

Resources for F.IF.3 - Recognize that sequences are functions, sometimes defined recursively, whose domain is a subset of the integers.

Resources for F.BF.2 - Write arithmetic and geometric sequences both recursively and with an explicit formula, use them to model situations, and translate between the two forms.

Resources for F.LE.1 - Distinguish between situations that can be modeled with linear functions and with exponential functions.

Resources for F.IF.4 - For a function that models a relationship between two quantities, interpret key features of graphs and tables in terms of the quantities, and sketch graphs showing key features given a verbal description of the relationship.

Relation Definitions (5 videos)

Working With Relations (4 videos)

Function Definitions and Function Notation (7 videos)

Transformations of Linear Functions (2 videos)

Working With Functions (5 videos)

Linear and Nonlinear Functions (3 videos)

Arithmetic Sequence Definitions (5 videos)

Finding Terms in Arithmetic Sequences (3 videos)

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