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Alabama Learning Exchange

Imaginary Numbers? What Do You Mean Imaginary?

For Teachers 9th - 12th Standards
Don't worry, this resource actually exists. Scholars learn about imaginary numbers and work on problems simplifying square roots of negative numbers. As an extension, they research the history of imaginary numbers.
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Worksheet
Curated OER

Adding Negative Numbers

For Students 7th - 9th
In this algebra worksheet, students add and subtract negative numbers using their negative signs correctly. There are 27 problems dealing with adding negative numbers.
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Worksheet
Curated OER

Calculations with Negative Numbers

For Students 10th - 11th
In this algebra worksheet, students solve algebraic equations by addition with negative numbers. There are 3 questions with an answer key.
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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 instructional activity, learners use Algebra blocks to demonstrate multiplying polynomials.
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Worksheet
Curated OER

Formulae

For Students 6th - 9th
Learners complete a 24 page unit. They solve expressions by plugging in values, and translate words into algebraic equations. Included are: mixed operations, square roots, exponents and negative numbers. This resource provides a good...
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Lesson Plan
Curated OER

The Complex Numbers

For Teachers 9th - 10th
For this algebra worksheet, students solve 16 problems involving imaginary numbers. In the first three, students find the square root of 3 negative numbers in terms of i. Nine problems involve addition, subtraction, multiplication and...
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Lesson Plan
Curated OER

Ten Square Root of Negative Numbers and Ten i to a Power Problems

For Teachers 10th - 11th
In this i worksheet, students simplify square roots of negative numbers in ten problems and evaluate i to the given power in ten more problems.  The solutions are provided.
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Lesson Plan
Alabama Learning Exchange

As If Numbers Weren't Complex Enough Already!

For Teachers 9th - 12th Standards
The class explores the concept of complex numbers on a website to generate their own Mandelbrot sets. They will practice performing operations with complex numbers and then to get a visual understanding, graph the absolute value of a...
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Worksheet
Curated OER

Negative Numbers on the Number Line Using the TI-83

For Students 7th - 9th
In this negative numbers worksheet, students use the TI-83 calculator to compare the value of negative numbers. Students explain in short answer format how they used the calculator to determine their answers.
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Worksheet
Curated OER

Subtraction Positive/Negative

For Students 5th - 10th
In this subtraction worksheet, students complete subtraction problems with one and two digit positive and negative numbers. Students complete 30 problems on 20 pages.
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Worksheet
Curated OER

Practice Problems

For Students 5th - 10th
Students will find the reciprocal of a given number. Students will explain how to get the reciprocal of positive and negative numbers.
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Organizer
Curated OER

Arithmetic with Positive and Negative Numbers

For Students 6th - 9th
In this arithmetic with positive and negative numbers learning exercise, students 5 multi-step problems.  Students find the sum of positive and negative integers.  Students practive multiplying and dividing positive and negative integers. 
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Lesson Plan
Curated OER

Positive and Negative Integers: A Card Game

For Teachers 3rd - 12th
Students play an integer card game similar to the game "Twenty-five." In this integer instructional activity, students use addition and subtraction cards to identify integers as positive or negative.
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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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Lesson Plan
Curated OER

Rational Numbers as Exponents

For Teachers 9th - 10th
In this algebra worksheet, students rewrite 3 radical expressions as exponential notation. They change 6 quantities with fraction exponents into equivalent radical expressions. Students write three exponential expressions, eliminating...
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Worksheet
Curated OER

Rules for Multiplying Positive and Negative Numbers

For Students 9th - 11th
In this algebra learning exercise, students review the rules for multiplying positive and negative numbers using real life examples. There are no problems to solve however, this would be a great handout for students to keep in their note...
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Worksheet
Curated OER

Square Roots

For Students 9th
In this square roots activity, 9th graders solve 10 different problems that include simplifying with negative numbers. First, they identify the negative number in each equation and pull out from under the radical sign as i. Then,...
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Lesson Plan
Curated OER

Positive and Negative Numbers

For Teachers 9th - 12th
Learners discover negative numbers and how to use them by using the number line and the "team" method.
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Worksheet
Kuta Software

Using the Distributive Property

For Students 6th - 9th Standards
Get your learners ready for distributing with this two-page instructional activity full of problems to simplify. The problems include positive and negative numbers that test integer skills, as well as the ability to simplify expressions....
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Worksheet
Curated OER

Mat 0024 Section 1.4: Signed Numbers and Decimals

For Students 7th - 10th
This activity has a little of everything. Compare fractions, determine if numbers are less than, greater than, or equal to. Then practice lining up the decimals to add and subtract decimal numbers. Then multiply decimals remembering to...
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Worksheet
Math About

Introduction to Complex Numbers

For Students 10th - 12th Standards
In this complex number instructional activity, students explore the properties of imaginary numbers to find the square roots of negative numbers. Explanations and examples are given prior to the exercise. This two-page instructional...
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Lesson Plan
Curated OER

8.4 Negative and Zero Exponent

For Teachers 9th - 10th
In this negative and zero exponent worksheet, students evaluate given expressions. They write exponents without negative or zero exponents. This one-page worksheet contains 36 multi-step problems.
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Worksheet
Curated OER

Addition Trick with Negative Numbers

For Students 9th - 10th
In this algebra worksheet, students solve word problems that combine rules about adding a negative number. There are 16 questions with an answer key.
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Worksheet
Curated OER

Rational and Irrational Numbers

For Students 8th - 9th
Here is a rational and irrational numbers worksheet in which learners identify 10 different expressions related to various types of numbers. They determine whether each expression given is a rational or irrational number.

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