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Lesson Plan
Curated OER

Negative Numbers

For Teachers 6th - 7th
Sixth and seventh graders investigate the concept of negative numbers. The lesson begins with a review of positive numbers and progresses to the various operations with negative numbers. The lesson includes dialogue for the teacher to...
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Lesson Plan
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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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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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Worksheet
MathMovesU

Negative Numbers Practice

For Students 6th - 8th Standards
A collection of nine integer worksheets, middle schoolers practice computing the positive and negative values in a variety of problems. Adding, subtracting, multiplying, and dividing integers are the skills conveyed in these resources.
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Worksheet
Curated OER

Multiplying/Dividing Fractions and Mixed Numbers

For Students 4th - 6th
Keep it simple with this multiplying and dividing fractions worksheet, which has learners who already have already practiced these skills solve a number of problems involving mixed and proper fractions. There are 10 multiplication...
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Worksheet
Curated OER

Multiplying and Dividing Fractions 2

For Students 5th - 8th
Practice makes perfect when it comes to dividing and multiplying fractions! This problem-solving worksheet packet has learners putting these skills to test with negative numbers, mixed numbers, and whole numbers. Four pages give simple,...
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Worksheet
Curated OER

Dividing Negative Numbers

For Students 6th
For this recognizing how to find quotients worksheet, 6th graders divide negative numbers to get negative or positive quotients. Students solve 16 problems.
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Worksheet
Raytheon

Signed Numbers/Integers Worksheets

For Students 6th - 8th
In this positive and negative numbers worksheet, students compute the values indicated using addition, subtraction, multiplication and division, with answer keys included.
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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: 4 Operations

For Students 5th - 6th
In this negative numbers worksheet, students use number lines to complete activities, adding, subtracting, multiplying and dividing negative numbers.
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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

Interesting Integers

For Teachers 5th - 7th
Upper elementary and middle schoolers practice solving addition and multiplication problems with positive and negative numbers. They use a number line initially to help find a solution.
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Unit Plan
National Security Agency

Introducing Integers and Their Operations

For Teachers 6th - 8th Standards
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class to...
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Worksheet
Curated OER

Multiplying and Dividing using Negative Numbers

For Students 4th - 6th
In this online multiplying and dividing worksheet, students practice multiplying and dividing seventy-two math problems and two multiplication tables. Students check their answers as they go.
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Worksheet
Curated OER

Multiplying by Multiples of Negative Powers of Ten (E)

For Students 6th - 7th
In this powers of ten worksheet, students multiply single-digit numbers by multiples of negative powers of ten. This two-page worksheet contains approximately 50 problems, with answers.
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Lesson Plan
Illustrative Mathematics

Shrinking

For Teachers 6th - 8th Standards
Is Aunt Nancy shrinking? Find out by calculating with the average height women lose each year. The activity practices multiplying and dividing with decimals and rounding the final answer.
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Worksheet
Curated OER

Adding Negative Numbers

For Students 6th - 8th
In this integers worksheet, students solve 16 addition problems by adding two integers together. There is no answer sheet.                                           
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Worksheet
Curated OER

Signed Numbers

For Students 6th - 7th
Sixth and seventh graders solve and complete 8 different types of problems. First, they multiply and divide by signed numbers. Then, they rewrite any division as multiplication by the reciprocal. Pupils also work out the absolute value...
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Assessment
Los Angeles County Office of Education

Assessment for the California Mathematics Standards Grade 5

For Students 5th Standards
Test young mathematicians' knowledge with an assessment aligned to California's fifth grade state standards. The exam covers a multitude of concepts including fractions and decimals, positive and negative numbers, measurement; and how to...
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Interactive
CK-12 Foundation

Multiplying Matrices by a Scalar: Column Vectors

For Students 10th - 12th Standards
Make connections between vectors and matrices through multiplication. Scholars use the interactive to view the effect of multiplying a matrix by a scalar. The interactive displays the resulting matrix and its corresponding column vectors...
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Interactive
CK-12 Foundation

Multiplying Matrices by a Scalar

For Students 10th - 12th Standards
The rule is add before multiplying, even with matrices. Pupils use a slider to change the scalar multiplying the sum of two matrices. The interactive displays the resulting solution matrix, and requires scholars answer five questions...
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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 worksheet, 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
Virginia Department of Education

Properties of Real Numbers

For Teachers 7th - 8th Standards
Students use paper cups and colored chips to observe properties of operations with real numbers. As a class, students brainstorm and use manipulatives to demonstrate associative, commutative, distributive identity and inverse properties....
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Lesson Plan
Curated OER

Multiplying and Dividing Integers

For Teachers 7th - 8th
For this multiplication worksheet, young scholars multiply and divide positive and negative integers. This one-page worksheet contains 14 problems, with answers.