Lesson Plan
EngageNY

The Opposite of a Number

For Students 6th Standards
It's opposite day! The fourth installment of a 21-part module teaches scholars about opposites of integers and of zero. Number lines and real-world situations provide an entry point to this topic.
Lesson Plan
EngageNY

The Opposite of a Number's Opposite

For Students 6th Standards
It's said that opposites attract, but what about opposites of opposites? Individuals learn about the opposite of opposites using number lines. They complete a group activity in which members determine the opposite of opposites of...
Interactive
CK-12 Foundation

Trigonometric Functions of Negative Angles

For Students 10th - 12th Standards
When is the trigonometric value of a negative angle the same as the positive angle? Pupils compare the values of trigonometric functions for different angles and their negatives. The interactive resource provides a visual display to make...
Interactive
CK-12 Foundation

Square Roots and Irrational Numbers: Estimating Radicals

For Students 8th - 10th
Try out a resource using triangles to estimate radicals. An interactive app allows learners to approximate some irrational numbers involving square roots. They find the two consecutive numbers that an irrational number lies between...
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...
Interactive
CK-12 Foundation

Sums of Finite Arithmetic Series: Triangular Numbers

For Students 11th - Higher Ed
Using a slider, scholars build triangular numbers and their associated rectangles and use the geometric display to find the pattern to determine the next triangular number. They then relate that number to the area of the rectangle to...
AP Test Prep
College Board

2015 AP® Computer Science A Free-Response Questions

For Students 10th - 12th
AP exams don't have to be a mystery. Scholars look at the free-response questions for the 2015 AP Computer Science A exam. They get a chance to see actual AP questions involving one- and two-dimensional arrays of integers and the design...
AP Test Prep
College Board

2018 AP® Computer Science A Free-Response Questions

For Students 10th - 12th
The best way to familiarize yourself with a test's format is to look at past tests. The free-response questions for the 2018 AP Computer Science A are available for instructors to reference. Topics include simulation methods, word pairs,...
Lesson Plan
Teaching Tolerance

How Online Communication Affects Privacy and Security

For Teachers 9th - 12th Standards
Digital footprints leave a lot of clues behind! Pupils discuss the positives and negatives of having a digital footprint and what it means. Then, using a handout, scholars learn ways to protect their online privacy. 
Unit Plan
Department of Education (Ireland)

Consequences

For Teachers 6th - 12th
11 lessons, designed to be used in consecutive order, ask middle and high school scholars to consider the effects of various drugs and the consequences of taking them for themselves and their families. They also develop the communication...
Interactive
DocsTeach

What is Patent Number 1,693,515?

For Students 4th - 8th
Scholars examine a document from 1928 featuring a mystery invention. Following their observations and discussion, the document reveals the invention of the permanent wave machine by Marjorie S. Joyner. Class members read about Joyner,...
Worksheet
Curated OER

Thirty-Six Algebra Word Problems

For Students 8th - 10th
In this word problem activity, students solve thirty-six application problems.  These problems include: mixture problems, rate problems, age problems, and consecutive integer problems.
Lesson Plan
Curated OER

Order Numbers On a Number Line

For Teachers 5th - 6th
Fifth and sixth graders study the use of a number line to add integers and they observe a teacher demonstration of how to add integers on a number line. Afterward, they construct a number line and use the number line to solve addition...
Lesson Plan
Curated OER

Investigation-Looking at Polygons

For Teachers 8th
Eighth graders plot points and investigate polygons. They locate a point, using ordered pairs of integers on the coordinate plane. Students compare geometric measurements and computations on coordinate axes as they are applied to...
Lesson Plan
Curated OER

Worksheet Chapter 1 College Prep Algebra

For Teachers 9th - 12th
In this algebra worksheet, students compare integers, translate words to a numerical expression, identify sets of numbers, identify properties, use order of operations, multiply fractions, and solve simple word problems. This 13 page...
Interactive
Curated OER

Online Math Learning: Solving Word Problems Using Algebra

For Students 8th - 10th
Learners solve eight short answer algebra word problems. They write and solve systems of equations in two or three variables given a word problem about integers, perimeter, consecutive numbers, etc.
Lesson Plan
Curated OER

Numbers, Numbers Everywhere!

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

Diet Evaluation Project

For Teachers 6th - 8th
Middle schoolers record two consecutive days of food intake. They identify which nutrients are below 70%. They compare diet composition between protein, fats, and carbohydrates. They evaluate fat in the diet to fall below the American...
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....
Worksheet
Curated OER

Marine Organisms

For Students 3rd - 8th
Peek into marine life with this mathematics learning exercise. A data sheet includes a list of animals and the ocean depth where they can be found. Learners use this information to write the depths as negative integers, order the depths,...
Worksheet
Curated OER

Algebra Worksheet: Number systems

For Students 10th - Higher Ed
This worksheet was originally created for a college level algebra class. It does contain some interesting questions about number and quantity that are important for algebra learners to understand. Natural numbers, integers, rational,...
Worksheet
Curated OER

Solving Multi-Step Equations

For Students 8th - 9th
For this multi-step equations worksheet, students solve and complete 24 various problems that include solving by using multiple steps. First, they solve each equation, trying to get the variable alone on one side of the equals sign....
Lesson Plan
Curated OER

Locating Rational Numbers on the Number Line

For Teachers 4th - 5th
Students explore the concept of locating rational numbers on a number line. In this rational numbers lesson, students change improper fractions to mixed numbers to determine where on a number line the rational number belongs. Students...
Lesson Plan
Curated OER

Human Number Line

For Teachers 6th - 12th
Students compare different types of numbers. Each student is given a flashcard containing a decimal, percent, fraction or integer. Teams of students compete, in silence, to determine who can line up in numerical order correctly. They...

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