Curated OER
Review Questions for Midterm 2
In this review instructional activity, students prove the intersection of finitely of sets, construct increasing functions, and identify characteristics of an open and closed set. This two-page instructional activity contains seven...
Curated OER
Six Continuity Problems
In this continuity worksheet, students examine six functions for continuity. Students find values to make a peice-wise function continuous, state domains, use limits, and the Intermediate Value Theorem.
Curated OER
Inductive Reasoning
In this algebra worksheet, 10th graders apply inductive reasoning as they figure out the next number in the sequence or pattern. There are 53 problems.
Curated OER
Eleven Angle Addition Postulate and Adjacent Angle Problems
In this angles worksheet, learners use the angle addition postulate, the idea of adjacent angles and the diagrams shown to answer eleven questions
Curated OER
Vectors
In this Pre-calculus activity, students solve problems designed to help students develop a geometric visualization of vectors. The three page activity contains six multi-part questions. Answers are...
Curated OER
Is it Alive?
Students watch a demonstration using Duco glue and water and try to determine if the "monster" shown is alive. After the demonstration, they discuss what characteristics make an organism "alive". They participate in a card sorting...
CK-12 Foundation
Ck 12: Geometry: Conjectures and Counterexamples
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to make conjectures and provide counterexamples. Students examine guided notes, review guided practice, watch instructional videos and...
CK-12 Foundation
Ck 12: Geometry: Conjectures and Counterexamples
[Free Registration/Login may be required to access all resource tools.] In this lesson students make conjectures and provide counterexamples. Students examine guided notes, review guided practice, watch instructional videos and attempt...
CK-12 Foundation
Ck 12: Conjectures and Counterexamples
[Free Registration/Login Required] Students learn to make educated guesses, and how to disprove them with valid counterexamples.
Sophia Learning
Sophia: Counterexamples: Lesson 7
This lesson will help a learner understand counterexamples. It is 7 of 7 in the series titled "Counterexamples."
CK-12 Foundation
Ck 12: Ferromagnetic Material: Maximizing 4 Pizza Slices
[Free Registration/Login Required] Students explore the concept of conjectures and counterexamples by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn...
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Arguments and Proofs
The resource investigates arguments and proofs. The tutorial examines validity, Modus Ponens, counterexamples, and Modus Tollens. Students learn about the logic concepts through notes and examples. Practice exercises are included.
Texas Education Agency
Texas Gateway: Using Logical Reasoning to Prove Conjectures About Circles
Given conjectures about circles, the student will use deductive reasoning and counterexamples to prove or disprove the conjectures.
Khan Academy
Khan Academy: Types of Evidence
It can be useful to separate and identify different types of evidence used in an argument to support a conclusion. There are many ways to support a conclusion; this article will walk through some of the most common ones that you may see...
PBS
Pbs Kids: Cyberchase: Counter Example Game Show
Play this interactive game and find the one counter example given by the 9 stars playing the game. It will be the one example that doesn't fit the statement given.
CK-12 Foundation
Ck 12: Geometry: Types of Reasoning Study Guide
[Free Registration/Login may be required to access all resource tools.] Reasoning is a fundamental part of geometric proofs. There are several types of reasoning, many of which we innately and naturally picked up. However, the different...