# Author Profile

### Brittany VanCleave's Profile Brittany VanCleave

LEARN Author

K20 Center

### Recent Publications

##### The Great Domain

Domain and Range of Various Functions

• 10th - 12th

This lesson focuses on the relationship between an equation and the domain or range of a function. The goal is for students to understand how to recognize and analyze the domain and range of different functions by their properties. Students will be able to solve for domain and range based on the graph... Read more »

5E Lesson
##### The Great Domain

Domain and Range of Various Functions

• 10th - 12th

Course

• Algebra 2, Pre-Calculus

Subject

• Mathematics

Standards

• A2.F.1.1
2 Periods
120 Minutes
##### Looking Between the Lines

Parallel Lines, Transversal Lines, and Angles

This lesson focuses on an extension of parallel lines by exploring what happens when a transversal line passes through them. The goal is for students to understand the different angles that form due to the intersection and to apply that knowledge to real-world situations. Students will be able to identify... Read more »

5E Lesson
##### Looking Between the Lines

Parallel Lines, Transversal Lines, and Angles

Course

• Geometry

Subject

• Mathematics

Standards

• G.2D.1.1
2 Periods
120 Minutes
##### Slice of Pi

Area and Circumference of a Circle

This lesson has students explore how the properties of a circle, including area and circumference, relate to one another and to the world around them. The goal is for students to analyze the dimensions of a circle and correlate these to familiar, real-world situations. Read more »

5E Lesson
##### Slice of Pi

Area and Circumference of a Circle

Course

• Geometry

Subject

• Mathematics

Standards

• G.C.1.1
##### Look Up: Discovering Lines

Parallel, Perpendicular, Vertical, and Horizontal Lines

• 9th - 10th

In this lesson, students will build on their knowledge of parallel lines by incorporating perpendicular, vertical, and horizontal lines. The goal is for students to understand the characteristics of different types of lines and then apply their knowledge to design a structure as an architect might.... Read more »

5E Lesson
##### Look Up: Discovering Lines

Parallel, Perpendicular, Vertical, and Horizontal Lines

Course

• Algebra 1

Subject

• Mathematics

• 9th - 10th

Standards

• A1.A.4.2
90 minutes
1-2 class period(s)
##### Journey of the Isolated Variable, Part 2

Solving Multi-Step Equations

• 8th - 9th

This lesson is Part 2 of "Journey of the Isolated Variable," a four-part lesson series on solving different types of equations. This lesson focuses on the properties of real numbers, properties of equality, and inverse operations to help students solve linear equations on a deeper level. The goal is... Read more »

5E Lesson
##### Journey of the Isolated Variable, Part 2

Solving Multi-Step Equations

Course

• Algebra 1, Pre-Algebra

Subject

• Mathematics

• 8th - 9th

Standards

• A1.A.3.1
150 minutes
2-3 class period(s)
##### Walking The Line: The Math Spectrum

A Mathematical growth mindset

• 6th - 12th

This lesson focuses on eliminating the emotional fear of mathematics by allowing students to evaluate where they are on the math spectrum and identify their goals moving forward. Students explore math concepts taught in past years and analyze their math knowledge to assess their relationship with mathematics.... Read more »

5E Lesson
##### Walking The Line: The Math Spectrum

A Mathematical growth mindset

• 6th - 12th

Course

• Algebra 2, Geometry, Middle School Mathematics, Pre-Calculus

Subject

• Mathematics

Standards

• M.1, M.4, K.PS2
90 minutes
1-2 class period(s)
##### Memes > GIFs

Inequalities With One Variable

• 7th - 8th

This lesson focuses on the relationship between a set of numbers and the constraints of the inequality. The goal is to find possible solutions for one-variable inequalities. Students will write, graph, and identify solutions of inequalities and connect them back to real-world scenarios when applicable.... Read more »

5E Lesson
##### Memes > GIFs

Inequalities With One Variable

Course

• Middle School Mathematics, Pre-Algebra

Subject

• Mathematics

• 7th - 8th

Standards

• 7.A.3.3, PA.A.4.3
90 minutes
1-2 class period(s)
##### Hold the Line... or Don't

Linear vs. nonlinear functions

• 8th - 9th

This lesson invites students to see linear and nonlinear functions—here, represented by tables, graphs, and equations—in a real-world context. Students will work to find relationships between real-world data points based on the situation at hand. Students will also identify linear and nonlinear relationships,... Read more »

5E Lesson
##### Hold the Line... or Don't

Linear vs. nonlinear functions

Course

• Algebra 1, Pre-Algebra

Subject

• Mathematics

• 8th - 9th

Standards

• PA.A.1.3, A1.F.1.4, A1.F.2.1
70 minutes
1-2 class period(s)
##### Junk Food Junction: What's Your Function?

Functions (Domain and range)

• 8th - 9th

This lesson breaks down the components of a function through the metaphor of a function "machine." Students will design their own function vending machines, identify the products they will sell and the prices of those products, and evaluate each others' machines to build a function from the information... Read more »

5E Lesson
##### Junk Food Junction: What's Your Function?

Functions (Domain and range)

Course

• Algebra 1, Pre-Algebra

Subject

• Mathematics

• 8th - 9th

Standards

• PA.A.1.1, A1.F.1.2
70 minutes
1-2 class period(s)
##### Popcorn > Raisinets

Inequalities with two variables

This lesson is an extension of the Memes > GIFs lesson in that it adds a second variable to the equation. The goal is to understand and find possible solutions for two-variable inequalities. Students will translate real-life problems into linear equations or inequalities and solve. They will also write,... Read more »

5E Lesson
##### Popcorn > Raisinets

Inequalities with two variables

Course

• Algebra 1

Subject

• Mathematics