Lesson Plan
Illustrative Mathematics

Writing Expressions

For Teachers 6th - 8th Standards
Practice writing algebraic expressions from written phrases. The objective is to consider two seemingly similar phrases, write them as algebraic expressions, and then simplify using the order of operations. Learners are challenged to...
Lesson Plan
1
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EngageNY

Comparing Rational Expressions

For Students 10th - 12th Standards
Introduce a new type of function through discovery. Math learners build an understanding of rational expressions by creating tables and graphing the result. 
Lesson Plan
1
1
Curated OER

Interpreting Algebraic Expressions

For Teachers 9th - 12th Standards
Interpreting algebraic expressions is a fundamental skill in beginning algebra. This lesson approaches the task in numerous ways. First, learners assess their understanding with a short worksheet on converting between words and...
Lesson Plan
1
1
EngageNY

Equivalent Rational Expressions

For Students 10th - 12th Standards
Rational expressions are just fancy fractions! Pupils apply fractions concepts to rational expressions. They find equivalent expressions by simplifying rational expressions using factoring. They include limits to the domain of the...
Lesson Plan
1
1
EngageNY

Multiplying and Dividing Rational Expressions

For Students 10th - 12th Standards
Five out of four people have trouble with fractions! After comparing simplifying fractions to simplifying rational expressions, pupils use the same principles to multiply and divide rational expressions. 
Unit Plan
Mathematics Vision Project

Module 5: Rational Functions and Expressions

For Students 10th - 12th Standards
Where do those asymptotes come from? Learners graph, simplify, and solve rational functions in the fifth module of a 10-part series. Beginning with graphing, pupils determine the key characteristics of the graphs including an in-depth...
Unit Plan
Mathematics Vision Project

Module 7: Structure of Expressions

For Teachers 8th - 10th Standards
The structure of an expression is a descriptive feature. Learners build a solid understanding of quadratic functions using an analysis of expressions in different forms. The seventh module in a series of nine includes 12 lessons...
Lesson Plan
1
1
EngageNY

Adding and Subtracting Rational Expressions

For Students 10th - 12th Standards
There's a fine line between a numerator and a denominator! Learners find common denominators in order to add and subtract rational expressions. Examples include addition, subtraction, and complex fractions.
Activity
Education Development Center

Writing Numerical Expressions—Hexagon Tables

For Students 5th - 7th Standards
Explore a basic pattern to practice writing expressions. In collaborative groups, learners examine a contextual pattern and write an expression to model it. The task encourages groups to describe the pattern in multiple ways.
Lesson Plan
Curated OER

The Importance of Scribbling and Doodling

For Teachers 9th
A series of six lessons that focus on the importance of journaling and sketching awaits your ninth graders. The lessons get into the intricacies of responding to life experiences and events, the creative process, and an exploration of...
Lesson Plan
Curated OER

Humourous Head Planter Spike: Ceramics Lesson

For Teachers K - 8th
What a great activity. Kids create humorous ceramic character (heads) spikes to enliven a planter. Modern art is full of expressive and exaggerated forms and your class gets to create them out of clay. This would be a lovely activity to...
Lesson Plan
EngageNY

Advanced Factoring Strategies for Quadratic Expressions (part 1)

For Students 9th - 10th Standards
Factoring doesn't have to be intimidating. Build on prior knowledge of multiplying binomials and factoring simple trinomials to teach advanced factoring of quadratic expressions with a lesson that uses various methods of exploring the...
Lesson Plan
1
1
Curated OER

Increasing or Decreasing? Variation 2

For Teachers 9th - 12th Standards
Your algebra learners will manipulate an expression's form in order to make obvious the value of it increasing, decreasing, or staying the same, when one variable is changed as the others stay constant. Your future physicists'...
Activity
Education Development Center

Rectangles with the Same Numerical Area and Perimeter

For Students 8th - 9th Standards
Is it possible for a rectangle to have the same area and perimeter? If you disregard units, it happens! In a challenging task, groups work to determine the rectangles that meet these criterion. The hope is that learners will naturally...
Interactive
CK-12 Foundation

Exponent Properties with Variable Expressions: Integer Powers

For Students 8th - 12th Standards
Exponent properties can be complicated for learners. A creative lesson seeks to simplify the concept and build a solid understanding. Young mathematicians have the opportunity to create numerous expressions and analyze the simplified...
Lesson Plan
EngageNY

Advanced Factoring Strategies for Quadratic Expressions (part 2)

For Students 9th - 10th Standards
What do you do with a difficult-to-factor quadratic expression? This lesson provides the answer. Pupils learn a grouping strategy to help factor trinomials. When guess and check seems too tedious, this method is the "works every...
Lesson Plan
Curated OER

Sponge Painting

For Teachers Pre-K - 2nd
Sponge painting is a technique that is fun for learners of all ages and it can be adapted to fit a variety of skill levels and subjects. Here, little ones use sponges and paint to make geometric patterns. Tip: Sponges can be cut into...
Lesson Plan
Curated OER

Quadrupling Leads of Halving

For Teachers 9th - 12th Standards
Your statisticians will see that an expression is made up of one or more parts that can be seen as a single entity. Learners give an explanation, in terms of the structure. of the expression and, why it halves in value when n is quadrupled.
Lesson Plan
Curated OER

Non-Verbal Communication

For Teachers 6th - 10th
Many developmentally disabled students struggle with accurately conveying messages and interpreting those of others around them, especially when they are non-verbal. This lesson contains fun activities and exercises, such as talking with...
Lesson Plan
Curated OER

Equations, Expressions, Factorization

For Teachers 7th - 10th
Learners graph and solve equations and expressions. In this algebra lesson plan, students use simple factorization to simplify expressions. They review for an exam by doing basic algebra.
Unit Plan
Mathematics Vision Project

Module 4: Rational Functions

For Students 9th - 12th Standards
Time to study the most sensible function — rational functions! The seven-lesson unit develops the concept of a rational function through a connection to rational numbers and fractions. Scholars graph functions, solve equations, and...
Lesson Plan
Mathematics Assessment Project

Representing the Laws of Arithmetic

For Teachers 6th Standards
Sixth graders connect numerical expressions to geometric area. They first complete an assessment task requiring them to identify area models for numerical expressions. Learners then participate in an activity to match area models to...
Lesson Plan
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1
EngageNY

Properties of Exponents and Radicals

For Teachers 9th - 12th Standards
(vegetable)^(1/2) = root vegetable? The fourth installment of a 35-part module has scholars extend properties of exponents to rational exponents to solve problems. Individuals use these properties to rewrite radical expressions in...
Activity
Education Development Center

Integer Combinations—Postage Stamps Problem (HS Version)

For Students 8th - 9th Standards
It seems the post office has run out of stamps! Learners build all the values of postage available if the post office only sells five- and seven-cent stamps. The task provides an opportunity to create an expression in two variables and...