Curated OER
Geometry, Measurement & Reasoning
Students construct two-column proofs. In this geometry instructional activity, students use deductive reasoning and geometric properties to justify given geometric statements. Students compare and contrast proofs.
Curated OER
Four Algebraic Proof Charts
In this proof chart worksheet, students are given an equation and asked to solve for the unknown and to justify the steps by filling in the proof using math properties. The worksheet contains four problems presented as proof charts.
Curated OER
Paragraph Proofs
Young scholars explore the concept of paragraph proofs. In this paragraph proofs instructional activity, students make flow charts of the process of getting ready for school. Young scholars convert the flow chart to a paragraph proof....
Curated OER
The 3R's: Rights, Rules, and Responsibilities
Eighth graders complete seven work stations that highlight math activities while they focus on the rules for Internet use and classroom rules for working in cooperative groups. After completing the activities, they complete a self-...
Curated OER
Exploring Multiplication and Division at a Party
Young scholars solve multiplication and division problems using Unifix cubes. They explore multiplication and division through equal grouping of objects and sharing. Students discuss the task they completed and share how they completed...
Curated OER
Prime Factors
In this prime factor activity, students write numbers as a product of primes. Explanations and examples are provided prior to the exercise. This two-page activity contains ten problems.
Curated OER
The football and Braking Distance; Model Data with Quadratic Functions
Students use the quadratic formula to solve application problems. The first problem relates to the path of a football thrown from the top of the bleachers. Students compute the time it will take the football to reach certain heights. In...
West Contra Costa Unified School District
Solving Exponential Equations
The power to solve exponential equations lies in the resource. Scholars first learn how to solve exponential equations. An activity matching cards with equations, intermediate steps, and solutions strengthens this skill.
West Contra Costa Unified School District
Solving Quadratic Equations – Alternative Methods
There's more than one way to solve quadratic equations. Scholars learn how to solve quadratic equations using alternate methods. They use completing the square by making the linear coefficient even and the leading coefficient a perfect...
Curated OER
Additive Inverses
Pupils investigate properties of additive inverses. In this properties of additive inverses lesson, students discuss the what it means for two numbers to be opposites. Pupils discuss representing opposite numbers using a...
Curated OER
Probability Review
Students engage in a lesson that is concerned with the concepts related to probability. They review the key properties of statistics involved in the measurement of probability that includes mean, median, and mode. The lesson includes...
Curated OER
Solving Linear Equations
Ninth graders solve linear equations. In this algebra lesson, 9th graders discuss the steps for solving linear equations and work through examples with the teacher. They work in pairs to create their own linear equation and complete a...
Curated OER
Regular Polygons
Fifth graders explore polygons. In this math lesson, 5th graders find examples of regular polygons in the classroom and measure the sides of figures to determine if they are regular polygons.
Curated OER
Patterns, Functions & Algebra
Students participate in numerous activities and games. In pairs, they play card games to find relationships between a random set of playing cards. After writing samples of Dear Abby letters concerning math problems, students create a...
Curated OER
Equilateral Triangles
Students examine the attribute of equilateral triangles. In this equilateral triangle lesson, students examine a number of paper triangles to determine how they are classified. They determine how triangles are depicted in Navajo rugs.
Curated OER
Similarity and Congruence
Pupils explore the concept of similarity and congruence. In this similarity and congruence lesson, students cut out strips of paper and form a triangle. Pupils try to prove that their triangles are congruent using the SSS theorem of...
Curated OER
Logarithmic Functions as Inverses
In this algebra activity, students solve logarithmic functions. They graph their solution using log properties. There are 6 questions.
Curated OER
Triangle Puzzler
Students are introduced to some basic concepts of geometry. They explain that the definition of a triangle is a figure with three sides, three angles, and three points. Triangles can be named by using three points in their correct sequence.
Curated OER
Using Density to Identify Wood Types
Students identify different woods based on their density. In this density lesson plan, students use a triple beam balance to find the mass and a metric ruler for the volume. They look through various wood blocks and identify what type of...
Curated OER
NON-EUCLIDEAN GEOMETRY.
Students study relationships between angles, side lengths, perimeters, areas and volumes of similar objects. For this lesson students also create and critique inductive and deductive arguments concerning congruency, similarity and the...
Curated OER
Similarity and Congruence
Students explore the concept of similarity and congruence. In this similarity and congruence activity, students identify and verify whether or not two figures are similar, congruent, or neither. Students use postulates and theorems such...
Curated OER
Platonic Solids
Students identify different types of polygons. In this geometry lesson, students differentiate between convex and regular shapes. they identify the names of two and three-dimensional objects.
Curated OER
Incredible Edible Bridges
Students create a bridge using engineering and geometric concepts. For this geometry lesson, students identify the missing measures of polygons sides and angles. They work together to solve real life situation using problem solving...
Curated OER
Isosceles Triangles
Pupils investigate triangles. In this shapes geometry lesson, students define and state the attributes for equilateral, scalene, and isosceles triangles. Pupils locate the prefix "tri" in a variety of words and make connections with the...