Curated OER
The Undefined Terms of Geometry
Tenth graders define terminologies related to geometry. In this geometry lesson, 10th graders discuss undefined terms, line segment and ray. They answer the question, how many points it takes to make a line.
Curated OER
Undefined Fractions
For this undefined fractions worksheet, 9th graders solve 10 different problems related to solving various undefined fractions. They determine the value of x in each that makes the fractions undefined. Students determine when the...
University of California
Euclidean Geometry
Go back to where it all began! Investigate how axiomatic systems and Euclidean geometry are based on undefined terms, common notions, postulates, and propositions by examining passages from Euclid's Elements. (Social studies teachers...
Curated OER
Rational Inequalities
In this rational inequalities worksheet, 9th graders solve 10 different equations that contain rational inequalities in each. First, they find the zeros from the numerator and the undefined points from the denominator. Then, students use...
University of Northern Texas
Continuity
Continue a study of calculus by using a slideshow to introduce the concept of continuity. After defining the term, the presentation provides examples of functions that are discontinuous and introduces different types of...
Virginia Department of Education
Slope-2-Slope
Pupils build on previous experience with slope to investigate positive, negative, zero, and undefined slope. They complete a puzzle matching slope-intercept and standard forms of linear equations.
Curated OER
Slope & Rate of Change
This short handout addresses the concept of slope in two different ways: geometrically and analytically. Start with a brief description of slope, then use graphical representations to compare positive vs. negative slope and zero vs....
Curated OER
Equations and Inequalities
In this equations and inequalities activity, 9th graders solve and complete 16 different problems in order to complete a quotable puzzle. First, they solve each of the problems listed and matching that answer to the correct letter of the...
Curated OER
Division Terms, Zero and One
For this division worksheet, students complete division problems by filling in the missing numbers, writing the problems, and filling in a chart. Students complete 4 sets of problems.
Curated OER
Special Interest Groups
Students define term interest group, identify interest groups that people in the local community belong to, and contact an interest group and evaluate the impact of that group on the political process.
Curated OER
The Powers of National and State Government
High schoolers define term federalism, identify the powers granted to state and national government, and identify powers shared by the state and national governments.
Curated OER
1.2 Points, Lines and Planes
This is a lengthy overview PowerPoint that defines, explains, shows examples, and has practice problems about points, lines and planes. The class will need to write many notes and there is an example of how to set up in the Cornell...
EngageNY
Three-Dimensional Space
How do 2-D properties relate in 3-D? Lead the class in a discussion on how to draw and see relationships of lines and planes in three dimensions. The ability to see these relationships is critical to the further study of volume and other...
Virginia Department of Education
Inductive and Deductive Reasoning
Introduce pupils to the two types of reasoning, inductive and deductive. Classmates work in pairs or small groups to learn the difference between the two and apply these reasonings to develop valid conclusions.
Virginia Department of Education
Similar Triangles
Pupils work in pairs to investigate what it takes to prove that two triangles are similar. They work through various shortcuts to find which are enough to show a similarity relationship between the triangles. Small groups work with the...
Virginia Department of Education
Logic and Conditional Statements
If there is a conditional statement, then there is a hypothesis and conclusion. Pupils learn how to identify the parts of conditional statements. Class members continue to work with conditional statements and rewrite them in their many...
Curated OER
Geometry in the Real World
Eighth graders complete a unit of lessons on basic geometry concepts. They participate in a variety of activities, culminating in a project that involves publishing a booklet or a poster that presents the major geometry concepts from the...
Mt. San Antonio Collage
Postulates, Angles, and Their Relationships
More than a worksheet, learners go through geometry topics example by example on the nicely organized handout. From postulates to classifying angles, there are rules and examples provided for each topic. The ten pages of problems provide...
Teach Engineering
Graphing Equations on the Cartesian Plane: Slope
Slopes are not just for skiing. Instructors introduce class members to the concept of slope and teach them how to calculate the slope from a graph or from points. The lesson also includes the discussion of slopes of parallel and...
Mathematics Vision Project
Module 6: Congruence, Construction, and Proof
Trace the links between a variety of math concepts in this far-reaching unit. Ideas that seem very different on the outset (like the distance formula and rigid transformations) come together in very natural and logical ways. This unit...
Curated OER
The Right Angle
In this geometry activity, 10th graders determine the answer to a vocabulary questions and then follow the give rules to place the answer in the appropriate place on the crossword grid. The one page activity contains 18 questions. ...
Curated OER
Phone Button Boggle
For this phone button boggle worksheet, students identify the number of math words they can find on a phone keypad according to given directions. This one-page worksheet contains one problem. Answers are provided.
Ms. Amber Nakamura's Mathematics Website
Algebra Project
What would your dream house look like? A cottage? A medieval castle? High schoolers enrolled in Algebra design the perfect house while using slopes to write equations for various aspects of the project.
Curated OER
Externalities, Property Rights and Pollution
Students discuss the positive and negative externalities of various situations. They use the concept of property rights in discussing specific problems.