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Worksheet
Curated OER

Order of Operations

For Students 9th - 10th
In this algebra worksheet, students solve 16 problems with integers following the order of operations.They follow the acronym PEMDAS to help them remember the correct order to solve each problem.
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Lesson Plan
Curated OER

What's Below Zero?

For Teachers 6th - 9th
Students examine the concept of positive and negative integers, adding and subtracting integers on a number line. They visit various Internet websites, solving problems using integers and completing a worksheet.
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Lesson Plan
Willow Tree

Fibonacci and Other Sequences

For Students 8th - 11th Standards
Fibonacci is an interesting sequence that forms some unique patterns. Learners explore sequences that do not have the typical arithmetic and geometric patterns. They identify the pattern and find the next consecutive terms....
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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
West Contra Costa Unified School District

Solving Inequalities

For Teachers 7th - 9th
What does translating points on a number line have to do with solving inequalities? Young mathematicians first learn about translations of points on a number line, and then use this information to solve linear inequalities in one variable.
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Interactive
CK-12 Foundation

Properties of Real Number Addition: The Secret of Subtraction

For Students 6th - 8th Standards
Learners sometimes struggle to understand the concept of adding and subtracting integers. Help them see the why behind their answers using the interactive number line. The values change as individuals adjust the number line for each new...
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Worksheet
Curated OER

Hurricane Paths: Comparing Places with Different Prevailing Winds

For Students 4th - 12th
In this wind worksheet students study a wind rose and graphs for Boston and answer several short answers on prevailing winds. 
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Lesson Plan
Curated OER

Number Lines, Variables, Solving for One Variable

For Teachers 7th - 8th
Review basic algebraic rules of addition of integers. Then have the class define a variable and explore methods of solving equations with one variable. They observe solving expressions using inverse operations and simplifying solutions....
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Worksheet
Curated OER

Negative Numbers: 4 Operations

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

Understanding Subtraction- True or False?

For Students 4th - 5th
In this understanding subtraction worksheet, students read 14 subtraction statements before labeling each as being true or false. They work with both positive and negative numbers.
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Worksheet
Curated OER

Unit 1, Worksheet 2, Calculator Worksheet

For Students 6th - 9th
In this calculator instructional activity, students explore place value, standard notation, and exponential notation. They add, subtract, multiply and divide positive and negative integers with and without a calculator. This three-page...
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Lesson Plan
Curated OER

Fraction Facts

For Teachers 6th - 8th
Learners explore the concept of fractions. In this fractions lesson, students perform basic operations such as addition and subtraction with fractions. Learners play a game on the computer called 'Fraction Four' that gives students...
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Activity
Curated OER

I.O.U.

For Teachers 4th
Students explore adding and subtracting positive and negative numbers in the context of money. In this computation lesson, students use play money and IOU's to model various mathematical algorithms.
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Lesson Plan
Curated OER

Introduction to Pre-Algebra

For Teachers 6th - 8th
Students explore adding and subtracting positive numbers. Students discuss the use of algebra in our daily lives. They examine the algebraic equations and observe their solutions. Students work on the board and at their desks to solve...
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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

Extreme Elevations

For Teachers 7th
Seventh graders use highest and lowest points of land elevation around the world to find the differences. Sea level is zero, so students be operating with positive and negative numbers. After students find the information on the...
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Lesson Plan
Curated OER

Discovering Math: Computation

For Teachers 5th - 7th Standards
Middle schoolers add, subtract, multiply, and divide rational numbers. They find the square and the cube of numbers. They create a game incorporating computation on rational numbers. Everyone works together to write and evaluate...
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Lesson Plan
Alabama Learning Exchange

Fortune Properties

For Teachers 7th - 8th Standards
Complete identity and equality property problems in hands-on activities. Smart cookies identify the identity and equality properties. They complete a review of order of operations, watch an online video, and make a foldable with the...
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Lesson Plan
Curated OER

Numbers, Numbers Everywhere!

For Teachers 5th - 8th
Explore properties of integers! In this algebra lesson, pupils add, subtract, divide and multiply using integers correctly. They differentiate between rational and irrational numbers.
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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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Lesson Plan
Curated OER

SPIRIT 2.0 Lesosn: Adding and Subtracting Integers

For Teachers 6th - 8th Standards
Six pages prepare you to introduce your math stars to the addition and subtraction of positive and negative numbers. They drive a robot back and forth on an actual number line to represent the operations. If you don't have access to a...
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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...
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Lesson Plan
Curated OER

Topsy-Turvy Math With Rational Numbers

For Teachers 4th
Fourth graders complete a worksheet. As a whole class, 4th graders hear a lecture and complete a worksheet on factors, multiplicative inverses and reciprocals, finding the quotient of two fractions and the division of fractions to...
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Worksheet
Houghton Mifflin Harcourt

Intensive Math

For Students 5th - 8th Standards
Three chapters worth of integer, fraction, and decimal problems to give you every type of question your learners need to be a successful mathematician. Thankfully the work has been done for you and this is a huge resource full...