Activity
Interactive Mathematics

Interactive Mathematics: Special Products

For Students 9th - 10th
Several special products are presented here, including expressions with two variables, squaring binomials and trinomials, and products involving cubes.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Sse Increasing or Decreasing? Variation 1

For Teachers 9th - 10th Standards
This task asks young scholars to examine an expression that has a denominator represented by the addition of two fractions. Each of those fractions has a denominator that is a variable. They are asked to analyze the structure of the...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ee Rectangle Perimeter 1

For Teachers 5th - 8th Standards
This tasks gives a verbal description for computing the perimeter of a rectangle and asks the students to find an expression for this perimeter. They then have to use the expression to evaluate the perimeter for specific values of the...
Unit Plan
Khan Academy

Khan Academy: Analyzing Structure With Linear Inequalities

For Students 9th - 10th Standards
Students can practice analyzing structure with linear inequalities with these multiple-choice practice problems.
Activity
Purple Math

Purplemath: Lcm & Gcf

For Students 9th - 10th Standards
Purplemath shows an easy and orderly way to determine the GCF and LCM of any two numbers. Even large numbers won't be a challenge with this method.
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Wyzant

Wyzant: What Is Simplifying?

For Students 9th - 10th Standards
This site from WyzAnt explores what simplifying is, as well as how to simplify a variety of algebraic equations. Content focuses on simplifying multiple signs, combining like terms, simplifying multiplication, distributing a number or...
Unknown Type
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Rules of Exponents

For Students 9th - 10th Standards
Fifty-two problems present a variety of practice completing, evaluating and simplifying expressions and equations that have exponents in them. They are given with each step to the solution cleverly revealed one at a time. You can work...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ee Distance to School

For Teachers 5th - 8th Standards
This task asks students to find equivalent expressions by visualizing a familiar activity involving distance. The given solution shows some possible equivalent expressions, but there are many variations possible. Aligns with 6.EE.A.2.
Activity
Texas Instruments

Texas Instruments: Quadratic Equations With the Cbl 2

For Teachers 9th - 10th
Students will generate parabolas using the motion sensor. They will then determine the vertex form of the equation and compare it to the regression equation from the calculator.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Sse Seeing Dots

For Teachers 9th - 10th Standards
The purpose of this task is to identify the structure in the two algebraic expressions by interpreting them in terms of a geometric context, a series of squares filled with dot arrangements. Students are asked to notice a pattern and...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Sse Sum of Even and Odd

For Teachers 9th - 10th Standards
In this task, students use the structure of an expression to find ways to rewrite it. They are asked to use the defining property of even and odd functions to manipulate expressions involving function notation and to see the structure in...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Sse Mixing Fertilizer

For Teachers 9th - 10th Standards
A landscaping company prepares two mixtures of fertilizer. In this task, learners investigate what happens to the value of an expression when a quantity is changed. Aligns with A-SSE.A.1 and A-SSE.A.1.b.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Sse Delivery Trucks

For Teachers 9th - 10th Standards
This task asks students to analyze four expressions to determine what each represents in terms of the problem's context, which is about two trucks delivering different amounts of sand in different numbers of trips. Aligns with A-SSE.A.1...