Curated OER
Pythagorean Theorem Word Problems
Students investigate the concept of the Pythagorean Theorem for geometry by using word problems. The challenge is for them to translate the words into the right measurements for a triangle looking for the longest side known as the...
Curated OER
Writing Inequalities
Ninth graders investigate the concept of an inequality. They begin the instructional activity by covering relevant vocabulary. They write an inequality for each word problem given. Then they translate problems from words to algebraic...
Curated OER
Quiz: Intermediate Word Problems
In this intermediate word problem instructional activity, students read word problems, translate them into algebraic equations, and solve for the unknown. This one-page instructional activity contains ten problems.
Curated OER
Symmetry in Kaleidoscope Designs
Students define reflection, rotation and symmetry. In this symmetry lesson, students move the graph around the coordinate plane and identify the line of symmetry. They identify the different designs of a kaleidoscope.
Curated OER
Problem Solving with Quadratic Equations
In this Algebra II worksheet, 11th graders translate verbal sentences into quadratic equations and solve the resulting equation. The one page worksheet contains thirteen questions. Answers are included.
West Contra Costa Unified School District
Search and Rescue Activity
Get your classes moving and practicing sequences at the same time! Learners move about the room solving problems and finding their solutions. Problems include both recursive and explicit formulas and both geometric and arithmetic sequences.
Curated OER
The Reciprocal Function Family
In this Algebra II worksheet, 11th graders examine the reciprocal function family in the form y = a/(x – h) + k, identifying the vertical and horizontal asymptotes. The two page worksheet contains explanation, examples, and two practice...
EngageNY
Geometric Sequences and Exponential Growth and Decay
Connect geometric sequences to exponential functions. The 26th installment of a 35-part module has scholars model situations using geometric sequences. Writing recursive and explicit formulas allow scholars to solve problems in context.
EngageNY
Stretching and Shrinking Graphs of Functions
Why is that graph wider? Pupils learn about stretching and shrinking graphs of square root, absolute value, cubic, and quadratic functions. They study both vertical and horizontal stretches and shrinks in addition to reflections.
West Contra Costa Unified School District
Introduction to Solving Linear Inequalities in One Variable
Life isn't fair ... like inequalities. After first reviewing inequality symbols and how to read inequality statements, learners discover how to solve one-step inequalities and graph their solution sets.
EngageNY
Multiplying and Dividing Rational Expressions
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.
EngageNY
Are All Parabolas Congruent?
Augment a unit on parabolas with an instructive math activity. Pupils graph parabolas by examining the relationship between the focus and directrix.
EngageNY
Are All Parabolas Similar?
Congruence and similarity apply to functions as well as polygons. Learners examine the effects of transformations on the shape of parabolas. They determine the transformation(s) that produce similar and congruent functions.
EngageNY
The Height and Co-Height Functions of a Ferris Wheel
Show learners the power of mathematics as they model real-life designs. Pupils graph a periodic function by comparing the degree of rotation to the height of a ferris wheel.
EngageNY
Basic Trigonometric Identities from Graphs
Have young mathematicians create new identities! They explore the even/odd, cofunction, and periodicity identities through an analysis of tables and graph. Next, learners discover the relationships while strengthening their understanding...
Curated OER
Skate Party
Learners use the Frayer model during problem solving. In this problem solving instructional activity, they examine multiple methods of data collection to solve real world problems. Resources are provided.
National Security Agency
Money Maters: Integers are Integral!
A thoroughly-written lesson plan and a plethora of worksheets about integers comprise this resource. Neophyte number crunchers learn to recognize integers, add and subtract them, and apply the concepts to the designing of a personal...
Curated OER
Matrix Operations
Two real-world activities to practice adding, subtracting and multiplying matrices to problem solve. Data from several Pro football quarterbacks is used in one activity to make some predictions based on their stats. Then the class takes...
Curated OER
Problem Solving Model
Use a vocabulary chart to introduce math functions. The class defines a list of mathematical vocabulary terms on a worksheet, as well as completes equations and expressions. They examine word problems and practice transcribing them into...
Curated OER
Solving Eqautions w/ Division & Multiplication: Practice A
Ninth graders explore the process of solving one-step equations. In this Algebra I activity, 9th graders solve one-step equations involving multiplication and division. The activity includes translation of verbal expressions to...
Curated OER
Absolute Value Word Problems: Practice A
Ninth graders investigate absolute value equations and inequalities. For this Algebra I lesson, 9th graders solve and graph absolute value equations and inequalities. Students translate verbal expressions into absolute value inequalities.
Curated OER
Standards vs. Curriculum: The Important Distinction
The Common Core standards are a noteworthy achievement, but the real challenge for math teachers is finding the right curriculum.
Curated OER
Purchasing A Used Car
Seventh graders investigate the practice of purchasing a used car with the help of links and resources found in the lesson plan. They conduct research to find the right kind of car using a variety of resources. Students examine data in...
Curated OER
Quadratic Equations
In this quadratic equations worksheet, high schoolers answer 15 questions about quadratic equations. Students complete the square, use the quadratic formula, write equations in vertex form, and solve quadratic equations by factoring.