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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

Questions, comments, concerns, and requests may be emailed using the form below.

I will try my best to reply within 48 hours.

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 A: Ratio and Proportional Relationships

Resources for 7.RP.1 - Compute unit rates associated with ratios of fractions, including ratios of lengths, areas and other quantities measured in like or different units.

Resources for 7.PR.3 - Use proportional relationships to solve multistep ratio and percent problems.

Resources for 7.RP.2 - Recognize and represent proportional relationships between quantities.

Common Core-Aligned Math Videos

for Our Current Unit...

What's a percent proportion?

How do you figure out sales tax?

How do you figure out how much something is marked down?

How do you use the formula for simple interest?

What is the formula for simple interest?

What is the formula for compound interest?

How do you use the formula for compound interest?

How do you figure out a percent of change?

What's a percent of change?

How do you figure out the price of a marked up item?

What are rates and unit rates?

What's the constant of variation?

What is rate of change?

What's the direct variation or direct proportionality formula?

How do you solve a proportion using the multiplication property of equality?

How do you figure out what size a model should be if you have a scale?

What is a scale drawing?

How do you figure out a tip?

How do you use an equation to find a whole?

Our current unit is...

Unit I: Rational Numbers and Exponents

Resources for 7.NS.1 - Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers.

Resources for 7.NS.3 - Solve real-world and mathematical problems involving the four operations with rational numbers.

Resources for 7.NS.2 - Apply and extend previous understandings of multiplication and division and of fractions to multiply and divide rational numbers.

Resources for 8.NS.1 - Know that numbers that are not rational are called irrational.

Resources for 8.EE.1 - Know and apply the properties of integer exponents to generate equivalent numerical expressions.

Resources for 8.NS.2 - Use rational approximations of irrational numbers to compare the size of irrational numbers, locate them approximately on a number line diagram, and estimate the value of expressions.

Resources for 8.EE.2 - Use square root and cube root symbols to represent solutions to equations of the form x^{2} = p and x^{3} = p, where p is a positive rational number.

Resources for 8.EE.4 - Perform operations with numbers expressed in scientific notation, including problems where both decimal and scientific notation are used.

Resources for 8.EE.3 - Use numbers expressed in the form of a single digit times a whole-number power of 10 to estimate very large or very small quantities, and to express how many times as much one is than the other.

Common Core-Aligned Math Videos

for Our Current Unit...

How you do you the quotient of powers with numbers?

How do you order numbers in scientific notation?

What's scientific notation?

How do different categories of numbers compare to each other?

What's an irrational number?

How do you estimate the square root of a non-perfect square?

How do you put real numbers in order?

How do you figure out of a square root is bigger than another number?

How do you solve a word problem by multiplying with scientific notation?

How do you multiply two numbers using scientific notation?

How do you rewrite subtraction as addition?

How do you subtract a positive number from a negative number?

How do you figure out the sign of a product or quotient?

How do you multiply and divide numbers with different signs?

How do you multiply decimals?

How do you divide fractions?

How do you convert a temperature from Fahrenheit to Celsius?

How do you simplify a fraction over a fraction?

What's the power of a power rule?

What's the product of powers rule?

What's the quotient of powers rule?

Our current unit is...

Unit A: The Number System

Our current unit is...

Unit 1: Expressions & Equations

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

*Note: This link will not work on devices that don't support Flash. **Click here** for an alternate version that should work on all devices.*

Resources for A.CED.1 - Create equations and inequalities.

Resources for A.CED.3 - Represent constraints by equations or inequalities.

Resources for A.CED.2 - Create and graph equations in two or more variables.

Resources for A.CED.4 - Rearrange formulas to highlight a quantity of interest.

Resources for A.SSE.2 - Use the structure of an expression to identify ways to rewrite it.

Resources for A.SSE.1 - Interpret expressions.

Resources for N.Q.1 - Use units as a way to understand problems.

Resources for A.REI.3 - Solve linear equations and inequalities in one variable.

Resources for A.REI.1 - Explain each step in solving a simple equation.

Need help with *digits*? Check out these resources...

*(please understand that the school can provide only limited tech support for digits - all class materials, including notes and assignments, are available on paper)*

Resources and Guidance for Parents

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