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Worksheet
Curated OER

Adding and Subtracting Integers

For Students 4th
In this online interactive integers worksheet, 4th graders solve 8 addition and subtraction integer math problems and problem solve 6 integers problems involving numbers from -20 to 20. Students check their answers online when done with...
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Lesson Plan
West Contra Costa Unified School District

Lowest Common Multiple through the Grades

For Teachers 8th - 10th Standards
The LCM will be your new BFF. Learners review least common multiple and least common denominator applications, mostly on fractions, from middle school. Scholars then see how the LCM can be applied to various types of problems from...
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Handout
Charleston School District

Estimating Values of Expressions

For Students 8th Standards
You can't evaluate an irrational root expression without a calculator—or can you? Scholars estimate the value of roots within an expression to approximate the value of the expression. Expressions include a mix of square roots and whole...
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Lesson Plan
Pennsylvania Department of Education

Adding and Subtracting Rational Numbers to Solve Problems

For Teachers 9th - 12th
Students explore the concept of probability.  In this probability lesson, students use area to determine probability.  Students use charts and spinners to help determine the probability of events such as flipping a coin or rolling a...
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Printables
Curriculum Corner

7th Grade Math Common Core Checklist

For Teachers 7th Standards
With so many math standards to fit into a school year, it can be difficult keeping track of what you have and have not covered. This collection of Common Core checklists allows you to maintain a running record of when each standard was...
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Lesson Plan
1
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EngageNY

Adding and Subtracting Expressions with Radicals

For Students 9th - 10th Standards
I can multiply, so why can't I add these radicals? Mathematicians use the distributive property to explain addition of radical expressions. As they learn how to add radicals, they then apply that concept to find the perimeter of polygons. 
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Printables
Curriculum Corner

7th Grade Math "I Can" Statement Posters

For Teachers 7th Standards
Translate the Common Core math standards into a series of achievable "I can" statements with this collection of classroom displays. Offering posters for each standard, this resource is a great way to support your seventh graders as they...
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Worksheet
Lane Community College

Review Sheets: Beginning Algebra

For Students 6th - 9th Standards
This jumbo activity contains everything you need to get through Pre-Algebra. Begin with simple expressions, and end with linear functions and polygons. There are multiple problems for each topic to make sure those skills are set. 
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Worksheet
Curated OER

Signed Numbers

For Students 6th
In this signed numbers worksheet, 6th graders solve and complete 4 different types of problems. First, they calculate each problem using a number line. Then, students solve each word problem as indicated.
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Lesson Plan
Curated OER

Integrated Algebra Practice: Absolute Value Expressions

For Teachers 9th - 12th
In this absolute value expression worksheet, students solve 13 multiple choice and short answer questions. Students simplify absolute value expressions by adding, subtracting, and finding the absolute value of rational numbers.
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Worksheet
Curated OER

Easy Worksheet: Operations with Radicals

For Students 9th - 12th
In this operations with radicals activity, high schoolers solve 8 short answer problems. Students simplify radical expressions that involve multiplying, dividing, adding, and subtracting rational numbers.
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Lesson Plan
Utah Education Network (UEN)

Subtracting Integers

For Teachers 6th - 8th Standards
Review the concepts of additive inverses and adding positive and negative integers. Relate understanding to the subtraction of integers. This is done with either the use of "Algeblocks" (any square or tile manipulative should do) or a...
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Lesson Plan
Curated OER

What's My Number?

For Teachers 5th
Fifth graders use AppleWorks to stamp a given number to the thousandths place. They read, write and order integers, whole numbers and rational numbers. They represent place value using concrete or illustrated models.
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Lesson Plan
Curated OER

Inquiry Unit: Modeling Maximums and Minimums

For Teachers 8th - 12th
Young mathematicians explore the maximun area for patio with the added complexity of finding the mimimum cost for construction. First, they maximize the area of a yard given a limited amount of fence and  plot width v. area on a scatter...
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Lesson Plan
Illustrative Mathematics

Chicken and Steak, Variation 2

For Teachers 7th - 9th Standards
Many organizations put on barbecues in order to make money. In a real-world math problem, the money allotted to purchase steak and chicken at this barbecue is only one hundred dollars. It is up to your potential chefs to figure out how...
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Lesson Plan
Curated OER

Summer Intern

For Teachers 9th - 12th Standards
Your young apprentices build a function describing the percent concentration of salt in a brine. The rational function is then related to the parent function, y= 1/x, and graphed. Finally, the apprentices predict the amount of fresh...
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Lesson Plan
Curated OER

Fun With Addition

For Teachers K
Students name numbers to 30, use the number keys on the computer, use manipulatives to add, and add numbers in any order. In this addition lesson plan, students learn the language of sum, equals, and a plus sign.
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Lesson Plan
Curated OER

Meter Marker Mania

For Teachers 4th - 6th
Students identify integers as rational and irrational numbers. In this algebra lesson plan, students measure and construct number lines using positive and negative integers. They convert between decimals and fractions.
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Worksheet
Curated OER

Adding and Subtracting Positive and Negative Numbers

For Students 8th - 9th
In this math worksheet, students complete 32 addition and subtraction problems. The first 22 involve integers. There are 6 problems with positive and negative decimals. The last 4 problems are fractions.
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Assessment
Noyce Foundation

Cat Food

For Teachers 6th - 7th Standards
Determine the right mix of cans of cat food. The resource consists of an assessment task to determine the cost to feed two cats for a specific number of days and requires scholars to interpret remainders within a context. The resource...
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Lesson Plan
EngageNY

Sums and Differences of Decimals

For Students 6th Standards
Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson plan in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to...
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Handout
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Del Mar College

Exponential and Radical Rules

For Students 8th - 11th Standards
So many rules and so little time. Make it easy and provide all the exponent and radical rules in one place as an easy reference guide. All of the properties come with several examples to show how the rules apply to different problems. 
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Worksheet
Curated OER

Lucky Canceling

For Students 9th - 11th
In this algebra worksheet, students reduce fractions using cancellation. They cannot use zero and cannot use numbers with the same numerator and denominator. There is one problem with an answer key.
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Lesson Plan
Curated OER

Addition Review

For Teachers 8th - 12th
Students explore the concept of addition as used in the subject of Algebra while reviewing the different methods using a number line. The lesson includes examples for students to use for scaffolding for group work or whole class...