CK-12 Foundation
Ck 12: Algebra: Patterns and Expressions
[Free Registration/Login may be required to access all resource tools.] In this lesson students write and solve algebraic equations that model verbal situations. Students examine guided notes, review guided practice, watch instructional...
Better Lesson
Better Lesson: Writing Equations for Arrays
Second graders will learn how to make number sentences for an array by walking around the classroom and writing number sentences for the different arrays the teacher hangs around the room. A video is included, along with examples of...
CK-12 Foundation
Ck 12: Arithmetic: Percent Equations Grades 8 9
[Free Registration/Login may be required to access all resource tools.] Learn how to solve problems involving percentages by writing an equation.
CK-12 Foundation
Ck 12: Algebra: Write an Equation Given Two Points
[Free Registration/Login may be required to access all resource tools.] Learn how to write an equation given two points
National Council of Teachers of Mathematics
The Math Forum: Slope Intercept
Use this site to learn how to write an equation in slope-intercept form if you already have the graph of the line. Let Joan the Chameleon walk you through the process.
University of Regina (Canada)
University of Regina: Math Central: Writing Linear Equations
Three different lessons demonstrate how to write linear equations. The equations found from two points, slope and a point, and slope and y-intercept are all featured. The lessons have an overview, materials, procedures, and evaluation...
Other
Git: What Is the Slope Intercept Form of a Line?
Not only does this site show what the slope-intercept form is, but it helps you find the slope and the intercept of a line. There is also additional information on parallel lines, parametric form, and the distance between two points.
Khan Academy
Khan Academy: Create Equations to Solve for Missing Angles
Use understanding of vertical, complementary, and supplementary angles to set up an appropriate equation to solve for a missing angle measure. Students receive immediate feedback and have the opportunity to try questions repeatedly,...
Illustrative Mathematics
Illustrative Mathematics: k.oa Pick Two
This activity is a basic introduction to writing simple equations. Learners are given a set of numbers and will pick two numbers that add to make six. They will write an equation that shows that those two numbers add to make 6.
Illustrative Mathematics
Illustrative Mathematics: k.oa Dice Addition 2
In this task, learners will roll dice and write and solve addition equations.
Illustrative Mathematics
Illustrative Mathematics: A ced.a.1: Planes and Wheat
This is an exercise in creating equations from a situation with many variables. By giving three different scenarios, students will be reviewing their definitions of the variables to emphasize the importance of defining variables when...
Illustrative Mathematics
Illustrative Mathematics: A ced.a.1: Sum of Angles in a Polygon
This problem provides learners with an opportunity to discover algebraic structure in a geometric context. They will divide up polygons into triangles. The will use the sum of the angles of 180 degrees for each triangle. Aligns with...
Illustrative Mathematics
Illustrative Mathematics: Fact Families With Pictures
Learners will use pictorial models to write as many equations for each picture as they can. Multiple variations and extension ideas are included in this lesson.
Illustrative Mathematics
Illustrative Mathematics: Fact Families
As a whole class, the teacher presents students with 3 numbers on cards, such as 5, 8, and 3. The teacher asks the students to find all the ways the numbers can be put together in addition or subtraction sentences. This lesson includes...
Illustrative Mathematics
Illustrative Mathematics: 20 Tickets
Students are given a word problem with multiple solutions. They are challenged to solve the problem using manipulatives, to draw a picture to represent their work, and possibly record their responses using equations. Examples of...
Illustrative Mathematics
Illustrative Mathematics: A ced.a.2: Throwing a Ball
Using a ball thrown vertically as the real life scenario, this task has a couple of aspects designed to encourage students to attend to the structure of a given equation and the meaning of the variables in it. Aligns with HSA-CED.A.2.
Illustrative Mathematics
Illustrative Mathematics: A ced.a.4: Rewriting Equations
The goal of this task is to manipulate equations in order to solve for a specified variable. Aligns with HSA-CED.A.4.
CK-12 Foundation
Ck 12: Algebra: Write an Equation Given the Slope and a Point
[Free Registration/Login may be required to access all resource tools.] Learn how to write the equation of a line given the slope and any point.
CK-12 Foundation
Ck 12: Algebra: Equations of Parallel Lines
[Free Registration/Login may be required to access all resource tools.] Learn how to write equations of parallel lines.
Alabama Learning Exchange
Alex: Writing Word Equations
The students will learn to write word and formula equations. We will watch a web video about chemical equations. We will then complete the science in motion lab "The Color of Chemistry". The students will also be required to write word...
Khan Academy
Khan: Lsn 11 Ops W Polynomials, Rewriting Expressions, Quad Functions, Equations
Lesson 1 of 4 for Passport to Advanced Math. Students will add, subtract, and multiply polynomials. They will build quadratic functions and write equations to represent a context.
PBS
Pbs Learning Media: Everyday Algebra Plus: Targeted Math Instruction
Algebra lesson focuses on using patterns and relationships to write equations with two variables to represent relationships and patterns in real-world problems, plotting ordered pairs on a coordinate grid, and interpreting the meaning of...
Other
Nearpod: Solving Linear Equations in One Variable
In this lesson, 8th graders will learn how to solve linear equations in one variable including equations with one solution, no solution, and infinite solutions.
Harvey Mudd College
Mudd Math Fun Facts: Pascal's Triangle
This tutorial defines and and demonstrates Pascal's triangle.