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Unit Plan
2
2
EngageNY

Polynomial, Rational, and Radical Relationships

For Teachers 9th - 12th Standards
This assessment pair goes way beyond simple graphing, factoring and solving polynomial equations, really forcing learners to investigate the math ideas behind the calculations. Short and to-the-point questions build on one another,...
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Lesson Plan
Virginia Department of Education

Integers: Addition and Subtraction

For Teachers 5th - 8th Standards
Young mathematicians construct their own understanding of integers with an inquiry-based math lesson plan. Using colored chips to represent positive and negative numbers, children model a series of addition and subtraction problems as...
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Lesson Plan
Curated OER

Addition and Subtraction of Rational Expressions

For Teachers 8th - 11th
In this adding and subtracting rational numbers worksheet, students add and subtract 20 sets of fractions with polynomial denominators. Students compute common denominators.
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Activity
Noyce Foundation

Fractured Numbers

For Students K - 12th Standards
Don't use use a fraction of the resource — use it all! Scholars attempt a set of five problem-of-the-month challenges on fractions. Levels A and B focus on creating fractions and equivalent fractions, while Levels C, D, and E touch on...
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Lesson Plan
Curated OER

Subtraction With Integers

For Teachers 6th - 8th
This thorough introduction to the concept of subtracting negative integers walk learners through the necessary steps using teacher modeling and guided practice. Number lines and various word problems are used to support understanding of...
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Lesson Plan
Curated OER

Positive and Negative Numbers

For Teachers 6th - 9th
Pupils use blocks and markers to illustrate the processes of adding, subtracting, multiplying and dividing integers. In this mathematics lesson, learners use Algebra blocks to demonstrate multiplying polynomials.
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Handout
2
2
Math Mammoth

Add & Subtract Integers Fact Sheet

For Students 5th - 8th Standards
Guide young mathematicians through the crazy world of negative numbers with a handy reference document. Offering clear instructions for adding and subtracting positive and negative integers, this resource is a great way to support...
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Lesson Plan
University of Minnesota

Fraction Operations and Initial Decimal Ideas

For Teachers 4th - 6th Standards
Add another strategy to the toolboxes of young mathematicians with this elementary math lesson on using number lines to add and subtract fractions.
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Lesson Plan
2
2
Curated OER

Mixing Fertilizer

For Teachers 9th - 12th Standards
Your young landscapers do concentration calculations in this problem dealing with mixing fertilizer. Learners use and analyze rational expressions within this context.
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Worksheet
National Security Agency

Integers: Quick, Fun and Easy To Learn

For Students 6th Standards
A good complement to any integers unit contains a three-day lesson plan about positive and negative integers, adding and subtracting integers, and how to find the additive inverse. Additionally, it provides all necessary worksheets and...
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Interactive
Curated OER

Rational Numbers

For Students 9th
In this Algebra I activity, 9th graders identify properties from the real number system and use the distributive property to collect simplify expressions with parentheses.  The one page interactive activity contains five multiple choice...
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Lesson Plan
EngageNY

Decimal Expansions of Fractions, Part 1

For Students 8th Standards
Is it possible to add infinitely long decimals? As pupils complete the examples in the ninth lesson of this 25-part series, they determine that adding these decimals cannot be done without error. Their task is then to determine the size...
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Worksheet
Curated OER

Adding and Subtracting Integers

For Students 4th - 6th
In this addition and subtraction worksheet, students find the sums and differences of positive and negative numbers. Students solve thirteen problems.
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Worksheet
Curated OER

Adding and Subtracting Rational Expressions

For Students 9th - 11th
In this algebra worksheet, students add and subtract rational expressions using the LCM. They combine like denominators before they add and subtract the expressions. There are 8 questions.
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Worksheet
Curated OER

Two-Step Linear Equations

For Students 7th
In this two-step linear equations worksheet, 7th graders solve 15 various problems that include linear equations with more than one-step. First, they need to get the variable, x, alone by subtracting/adding the whole number on the same...
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Lesson Plan
Curated OER

Squaring Function of Natural Numbers

For Teachers 8th
Eighth graders complete problems where they use the definition of exponents to expand the squaring function of natural numbers. In this squaring natural numbers lesson plan, 8th graders also identify squares form 0 - 12 and complete a...
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Lesson Plan
Curated OER

Distances on the Number Line 2

For Teachers 6th - 8th Standards
Simple tasks are presented for your seventh grade math masters. They are to determine whether two numbers on a number line are equidistant from zero and what the two added together would be.
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Lesson Plan
Curated OER

Number Sense and Numeration

For Teachers 6th - 8th
Students add and subtract integers. In this algebra lesson, students discuss number sense as they sort numbers in the correct order. They analyze and label numbers differentiating between rational and irrational numbers.
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Lesson Plan
Illustrative Mathematics

Operations on the Number Line

For Teachers 7th - 9th Standards
A different way to look at integers is on this number line with variables in place of numbers. Learners are to look at different expressions and describe why they think the answer would be positive or negative, depending on the location...
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Worksheet
Lorain County Community College

Solving Linear Equations

For Students 7th - 10th Standards
Put your mathematicians to the test and see if they can solve this worksheet full of multi-step equations with rational numbers. Add, subtract, multiply, and divide with fractions and decimals to solve for x. The top of the worksheet has...
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Lesson Plan
Curated OER

Number Types: Where Vocabulary Meets Numbers

For Teachers 6th - 12th Standards
Rational, irrational, real, natural. All these words can refer to numbers. Who knew? Learners use the Visual Thesaurus and a semantic feature analysis grid to examine the different attributes of numbers. Step-by-step instructions for...
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Worksheet
Curated OER

Adding and Subtracting Integers

For Students 5th - 7th Standards
In this integers worksheet, students use the integer number line to solve the problems as they add and subtract positive and negative numbers. They find the answers to 10 questions.
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Worksheet
Curated OER

Rational Fractions

For Students 9th
For this rational fractions worksheet, 9th graders solve 10 different types of problems that include adding and subtracting. First, they factor each denominator completely, including constant factors, and express repeated factors in...
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Worksheet
Curated OER

Adding and Subtracting Integers

For Students 4th
For 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...